#231031
Closest named color: Very Dark Purple (#2A0134). oklch(21.9% 0.065 308.5), rgb(35, 16, 49).
Aa
White text reads best on this color (17.64:1).
About this color
#231031 is a very dark, muted purple. In OKLCH its lightness is 22%, its chroma 0.065 and its hue 309°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Very Dark Purple (#2A0134), ΔE 0.038 away. White text reads best on it, at 17.64:1.
| Hue family | Purples |
| Lightness | very dark (22%) |
| Chroma | muted (0.065) |
| Temperature | in between |
| Nearest name | Very Dark Purple (#2A0134) |
| Black text | 1.18:1 |
| White text | 17.64:1 |
Values
| HEX | #231031 |
| RGB | rgb(35, 16, 49) |
| HSL | hsl(275, 51%, 13%) |
| OKLCH | oklch(21.9% 0.065 308.5) |
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 #231031 | 17.64:1 | AAA | Lc -106.6 | Preferred for body text |
| Black text on #231031 | 1.18:1 | Fails | Lc 0.0 | Not readable |
| #231031 text on white | 17.64:1 | AAA | Lc 104.3 | Preferred for body text |
| #231031 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
#F7F4FB
oklch(97.1% 0.01 305.4)
-
Step 100
100
#EEE6F6
oklch(93.6% 0.023 308.2)
-
Step 200
200
#E1D2EF
oklch(88.5% 0.042 308.6)
-
Step 300
300
#CFB4E7
oklch(81% 0.076 308.7)
-
Step 400
400
#B78BDB
oklch(70.8% 0.123 308.8)
-
Step 500
500
#A56BD1
oklch(63.1% 0.158 308.8)
-
Step 600
600
#9050BE
oklch(55.6% 0.172 308.7)
-
Step 700
700
#7A40A4
oklch(49% 0.159 308.4)
-
Step 800
800
#643685
oklch(42.8% 0.132 308.7)
-
Step 900
900
#512F6B
oklch(37.6% 0.104 308.4)
-
Step 950
950 (this color)
#231031
oklch(21.9% 0.065 308.5)
#231031 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) | #061832 | 0.054 |
| Deuteranopia (no green cones) | #0C1930 | 0.048 |
| Tritanopia (no blue cones) | #21161E | 0.046 |
| Achromatopsia (no color) | #191919 | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #231031
#231031
oklch(21.9% 0.065 308.5)
- #121F00
#121F00
oklch(21.9% 0.058 128.6)
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 #231031, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Purple #2A0134 ΔE 0.038
- Midnight Purple #280137 ΔE 0.038
- Eggplant #380835 ΔE 0.050
- Dark Purple #35063E ΔE 0.050
- Rich Black #0D1B2A ΔE 0.055
- Deep Purple #36013F ΔE 0.057
- Aubergine #3D0734 ΔE 0.061
- Dark #1B2431 ΔE 0.065
Use #231031 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.