#1B112C
Closest named color: Rich Black (#0D1B2A). oklch(20.7% 0.053 298.8), rgb(27, 17, 44).
Aa
White text reads best on this color (18.05:1).
About this color
#1B112C is a very dark, muted purple. In OKLCH its lightness is 21%, its chroma 0.053 and its hue 299°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.041 away. White text reads best on it, at 18.05:1.
| Hue family | Purples |
| Lightness | very dark (21%) |
| Chroma | muted (0.053) |
| Temperature | in between |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.16:1 |
| White text | 18.05:1 |
Values
| HEX | #1B112C |
| RGB | rgb(27, 17, 44) |
| HSL | hsl(262, 44%, 12%) |
| OKLCH | oklch(20.7% 0.053 298.8) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #1B112C | 18.05:1 | AAA | Lc -106.9 | Preferred for body text |
| Black text on #1B112C | 1.16:1 | Fails | Lc 0.0 | Not readable |
| #1B112C text on white | 18.05:1 | AAA | Lc 104.7 | Preferred for body text |
| #1B112C text on black | 1.16:1 | Fails | Lc 0.0 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 950.
-
Step 50
50
#F6F4FA
oklch(97% 0.008 301.4)
-
Step 100
100
#EBE7F5
oklch(93.5% 0.019 299.1)
-
Step 200
200
#DCD5EE
oklch(88.6% 0.035 298.5)
-
Step 300
300
#C6B8E4
oklch(80.9% 0.063 299.5)
-
Step 400
400
#A993D7
oklch(70.8% 0.1 298.7)
-
Step 500
500
#9476CC
oklch(63% 0.129 298.7)
-
Step 600
600
#7F5EB9
oklch(55.7% 0.139 298.5)
-
Step 700
700
#6B4D9F
oklch(49.1% 0.129 298.4)
-
Step 800
800
#573F81
oklch(42.6% 0.108 298.5)
-
Step 900
900
#483667
oklch(37.6% 0.083 299.3)
-
Step 950
950 (this color)
#1B112C
oklch(20.7% 0.053 298.8)
#1B112C with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #08162D | 0.035 |
| Deuteranopia (no green cones) | #0A162B | 0.033 |
| Tritanopia (no blue cones) | #17161C | 0.041 |
| Achromatopsia (no color) | #161616 | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1B112C
#1B112C
oklch(20.7% 0.053 298.8)
- #151A00
#151A00
oklch(20.5% 0.048 118.9)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #1B112C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.041
- Midnight Purple #280137 ΔE 0.052
- Very Dark Purple #2A0134 ΔE 0.052
- Dark #1B2431 ΔE 0.063
- Rich Navy #001219 ΔE 0.066
- Navy Blue #001146 ΔE 0.067
- Eggplant #380835 ΔE 0.070
- Oxford Blue #1B263B ΔE 0.070
Use #1B112C in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.