HSL(257, 51%, 9%)
Very Dark Indigo — Indigo color
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Color Information
Color Name
Very Dark Indigo
Color Family
Indigo
Warm / Cool
🔵 Cool
Temperature
9000K
CSS Class
bg-[hsl(257,51%,9%)]
Color Conversions
| Format | Value | CSS Usage | |
|---|---|---|---|
| HSL | hsl(257, 51%, 9%) | color: hsl(257, 51%, 9%) | |
| HEX | #120B23 | color: #120B23 | |
| RGB | rgb(18, 11, 35) | color: rgb(18, 11, 35) | |
| CMYK | cmyk(49%, 69%, 0%, 86%) | — | |
| HSV | hsv(258, 69%, 14%) | — | |
| HWB | hwb(258 4% 86%) | color: hwb(258 4% 86%) | |
| OKLCH | oklch(0.1743 0.0482 294.29) | color: oklch(0.1743 0.0482 294.29) | |
| Lab | lab(4.42 8.49 -14.27) | color: lab(4.42 8.49 -14.27) | |
| LCH | lch(4.42 16.6 300.75) | color: lch(4.42 16.6 300.75) |
Color Theory
Accessibility (WCAG)
White text on color
Black text on color
Colored text
Contrast Ratios
AA Normal (4.5:1)
AA Large (3:1)
AAA Normal (7:1)
Best text on this color: white
Color Blindness Simulation
Protanopia (Red-blind)
#0F0F1D — rgb(15, 15, 29)
Deuteranopia (Green-blind)
#0F101C — rgb(15, 16, 28)
Tritanopia (Blue-blind)
#121918 — rgb(18, 25, 24)
Tints & Shades
CSS Code Snippets
background
background-color: hsl(257, 51%, 9%);
text
color: hsl(257, 51%, 9%);
border
border: 2px solid hsl(257, 51%, 9%);
gradient light
background: linear-gradient(to right, hsl(257, 51%, 29%), hsl(257, 51%, 9%));
gradient dark
background: linear-gradient(to right, hsl(257, 51%, 9%), hsl(257, 51%, 0%))
hex
background-color: #120B23;
tailwind
bg-[hsl(257,51%,9%)]
box shadow
box-shadow: 0 4px 6px -1px hsl(257, 51%, 9%, 0.4);
css variable
--color-primary: hsl(257, 51%, 9%);
Related Colors
Use Cases for Very Dark Indigo
Frequently Asked Questions
What are all the color codes for HSL(257, 51%, 9%)?
HEX: #120B23 | RGB: rgb(18, 11, 35) | CMYK: 49%, 69%, 0%, 86% | HSV: 258°, 69%, 14%. Copy any format from the conversion table above.
What colors go well with #120B23?
The complementary color is HSL(77, 51%, 9%). For a triadic harmony, use hues 257°, 17°, and 137°. For analogous combinations, try hues 227° and 287°. See the Color Harmony section above for complete palettes with previews.
How do I use HSL(257, 51%, 9%) in CSS?
As HSL: color: hsl(257, 51%, 9%); — As HEX: color: #120B23; — As RGB: color: rgb(18, 11, 35); — Tailwind CSS: bg-[hsl(257,51%,9%)] — CSS variable: --color-primary: hsl(257, 51%, 9%);