#231C35
Closest named color: Dark (#1B2431). oklch(24.8% 0.047 295.6), rgb(35, 28, 53).
Aa
White text reads best on this color (16.29:1).
About this color
#231C35 is a very dark, muted purple. In OKLCH its lightness is 25%, its chroma 0.047 and its hue 296°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark (#1B2431), ΔE 0.032 away. White text reads best on it, at 16.29:1.
| Hue family | Purples |
| Lightness | very dark (25%) |
| Chroma | muted (0.047) |
| Temperature | in between |
| Nearest name | Dark (#1B2431) |
| Black text | 1.28:1 |
| White text | 16.29:1 |
Values
| HEX | #231C35 |
| RGB | rgb(35, 28, 53) |
| HSL | hsl(257, 31%, 16%) |
| OKLCH | oklch(24.8% 0.047 295.6) |
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 #231C35 | 16.29:1 | AAA | Lc -105.7 | Preferred for body text |
| Black text on #231C35 | 1.28:1 | Fails | Lc 0.0 | Not readable |
| #231C35 text on white | 16.29:1 | AAA | Lc 103.2 | Preferred for body text |
| #231C35 text on black | 1.28:1 | 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
#EAE8F4
oklch(93.6% 0.016 293.7)
-
Step 200
200
#DAD5EC
oklch(88.4% 0.032 295.7)
-
Step 300
300
#C3BAE1
oklch(80.9% 0.055 295.7)
-
Step 400
400
#A595D3
oklch(70.7% 0.091 295.8)
-
Step 500
500
#8F7AC7
oklch(63% 0.115 295.5)
-
Step 600
600
#7A62B3
oklch(55.6% 0.124 295.8)
-
Step 700
700
#67519A
oklch(49.1% 0.115 295.8)
-
Step 800
800
#54437D
oklch(42.8% 0.095 295.6)
-
Step 900
900
#453965
oklch(37.8% 0.074 295.2)
-
Step 950
950 (this color)
#231C35
oklch(24.8% 0.047 295.6)
#231C35 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) | #152036 | 0.026 |
| Deuteranopia (no green cones) | #162034 | 0.025 |
| Tritanopia (no blue cones) | #1F2025 | 0.038 |
| Achromatopsia (no color) | #202020 | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #231C35
#231C35
oklch(24.8% 0.047 295.6)
- #202406
#202406
oklch(24.9% 0.048 116.4)
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 #231C35, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark #1B2431 ΔE 0.032
- Oxford Blue #1B263B ΔE 0.034
- Jet #212529 ΔE 0.044
- Rich Black #0D1B2A ΔE 0.045
- Space Cadet #2B2D42 ΔE 0.059
- Eggplant #380835 ΔE 0.063
- Dark Purple #35063E ΔE 0.065
- Very Dark Purple #2A0134 ΔE 0.069
Use #231C35 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.