#251123
Closest named color: Rich Black (#0D1B2A). oklch(21.5% 0.045 330.7), rgb(37, 17, 35).
Aa
White text reads best on this color (17.74:1).
About this color
#251123 is a very dark, muted purple. In OKLCH its lightness is 21%, its chroma 0.045 and its hue 331°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.052 away. White text reads best on it, at 17.74:1.
| Hue family | Purples |
| Lightness | very dark (21%) |
| Chroma | muted (0.045) |
| Temperature | in between |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.18:1 |
| White text | 17.74:1 |
Values
| HEX | #251123 |
| RGB | rgb(37, 17, 35) |
| HSL | hsl(306, 37%, 11%) |
| OKLCH | oklch(21.5% 0.045 330.7) |
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 #251123 | 17.74:1 | AAA | Lc -106.7 | Preferred for body text |
| Black text on #251123 | 1.18:1 | Fails | Lc 0.0 | Not readable |
| #251123 text on white | 17.74:1 | AAA | Lc 104.4 | Preferred for body text |
| #251123 text on black | 1.18:1 | 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
#F8F4F8
oklch(97.1% 0.007 325.6)
-
Step 100
100
#F0E6EF
oklch(93.5% 0.016 328.8)
-
Step 200
200
#E5D2E2
oklch(88.4% 0.03 331)
-
Step 300
300
#D6B5D1
oklch(81% 0.053 331.1)
-
Step 400
400
#C08DBA
oklch(70.7% 0.086 330.5)
-
Step 500
500
#AF70A8
oklch(63.1% 0.109 330.8)
-
Step 600
600
#9A5793
oklch(55.5% 0.119 330.9)
-
Step 700
700
#83477E
oklch(49.1% 0.111 330.2)
-
Step 800
800
#6B3B66
oklch(42.8% 0.091 330.9)
-
Step 900
900
#573353
oklch(37.8% 0.071 330.9)
-
Step 950
950 (this color)
#251123
oklch(21.5% 0.045 330.7)
#251123 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) | #101624 | 0.044 |
| Deuteranopia (no green cones) | #161922 | 0.039 |
| Tritanopia (no blue cones) | #261218 | 0.023 |
| Achromatopsia (no color) | #181818 | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #251123
#251123
oklch(21.5% 0.045 330.7)
- #071F0E
#071F0E
oklch(21.4% 0.045 150.7)
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 #251123, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.052
- Very Dark Purple #2A0134 ΔE 0.055
- Eggplant #380835 ΔE 0.059
- Midnight Purple #280137 ΔE 0.059
- Dark #1B2431 ΔE 0.063
- Jet #212529 ΔE 0.065
- Aubergine #3D0734 ΔE 0.067
- Dark Plum #3F012C ΔE 0.068
Use #251123 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.