#251331
Closest named color: Very Dark Purple (#2A0134). oklch(22.8% 0.06 310.2), rgb(37, 19, 49).
Aa
White text reads best on this color (17.26:1).
About this color
#251331 is a very dark, muted purple. In OKLCH its lightness is 23%, its chroma 0.060 and its hue 310°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Very Dark Purple (#2A0134), ΔE 0.044 away. White text reads best on it, at 17.26:1.
| Hue family | Purples |
| Lightness | very dark (23%) |
| Chroma | muted (0.060) |
| Temperature | in between |
| Nearest name | Very Dark Purple (#2A0134) |
| Black text | 1.21:1 |
| White text | 17.26:1 |
Values
| HEX | #251331 |
| RGB | rgb(37, 19, 49) |
| HSL | hsl(276, 44%, 13%) |
| OKLCH | oklch(22.8% 0.06 310.2) |
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 #251331 | 17.26:1 | AAA | Lc -106.3 | Preferred for body text |
| Black text on #251331 | 1.21:1 | Fails | Lc 0.0 | Not readable |
| #251331 text on white | 17.26:1 | AAA | Lc 104.0 | Preferred for body text |
| #251331 text on black | 1.21:1 | 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
#F7F4FA
oklch(97.1% 0.009 308.4)
-
Step 100
100
#EEE6F4
oklch(93.5% 0.021 311.1)
-
Step 200
200
#E1D2ED
oklch(88.4% 0.04 310.2)
-
Step 300
300
#CFB4E3
oklch(80.8% 0.071 310.6)
-
Step 400
400
#B68CD5
oklch(70.6% 0.113 310)
-
Step 500
500
#A46ECA
oklch(63.1% 0.144 309.9)
-
Step 600
600
#9053B7
oklch(55.6% 0.159 310.4)
-
Step 700
700
#7A439D
oklch(49% 0.147 310.3)
-
Step 800
800
#633880
oklch(42.7% 0.122 309.8)
-
Step 900
900
#513167
oklch(37.7% 0.095 309.9)
-
Step 950
950 (this color)
#251331
oklch(22.8% 0.06 310.2)
#251331 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) | #0B1A32 | 0.049 |
| Deuteranopia (no green cones) | #111B30 | 0.044 |
| Tritanopia (no blue cones) | #24181F | 0.043 |
| Achromatopsia (no color) | #1B1B1B | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #251331
#251331
oklch(22.8% 0.06 310.2)
- #132201
#132201
oklch(23% 0.06 130.2)
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 #251331, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Purple #2A0134 ΔE 0.044
- Midnight Purple #280137 ΔE 0.045
- Eggplant #380835 ΔE 0.048
- Dark Purple #35063E ΔE 0.050
- Rich Black #0D1B2A ΔE 0.053
- Dark #1B2431 ΔE 0.057
- Deep Purple #36013F ΔE 0.057
- Aubergine #3D0734 ΔE 0.058
Use #251331 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.