#231B2E
Closest named color: Dark (#1B2431). oklch(24.1% 0.037 303.1), rgb(35, 27, 46).
Aa
White text reads best on this color (16.56:1).
About this color
#231B2E is a very dark, muted purple. In OKLCH its lightness is 24%, its chroma 0.037 and its hue 303°. 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 16.56:1.
| Hue family | Purples |
| Lightness | very dark (24%) |
| Chroma | muted (0.037) |
| Temperature | in between |
| Nearest name | Dark (#1B2431) |
| Black text | 1.26:1 |
| White text | 16.56:1 |
Values
| HEX | #231B2E |
| RGB | rgb(35, 27, 46) |
| HSL | hsl(265, 26%, 14%) |
| OKLCH | oklch(24.1% 0.037 303.1) |
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 #231B2E | 16.56:1 | AAA | Lc -105.9 | Preferred for body text |
| Black text on #231B2E | 1.26:1 | Fails | Lc 0.0 | Not readable |
| #231B2E text on white | 16.56:1 | AAA | Lc 103.5 | Preferred for body text |
| #231B2E text on black | 1.26:1 | 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
#F6F4F9
oklch(97% 0.007 304.2)
-
Step 100
100
#EBE8F1
oklch(93.6% 0.012 301.3)
-
Step 200
200
#DCD6E7
oklch(88.6% 0.024 301.9)
-
Step 300
300
#C6BAD9
oklch(80.9% 0.045 303)
-
Step 400
400
#A996C5
oklch(70.6% 0.071 303.1)
-
Step 500
500
#947CB6
oklch(63% 0.089 302.9)
-
Step 600
600
#7F64A2
oklch(55.5% 0.098 303.4)
-
Step 700
700
#6B538B
oklch(49.1% 0.091 302.9)
-
Step 800
800
#574471
oklch(42.6% 0.076 302.7)
-
Step 900
900
#483A5B
oklch(37.8% 0.058 303.2)
-
Step 950
950 (this color)
#231B2E
oklch(24.1% 0.037 303.1)
#231B2E 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) | #171E2F | 0.023 |
| Deuteranopia (no green cones) | #181F2D | 0.024 |
| Tritanopia (no blue cones) | #211E22 | 0.029 |
| Achromatopsia (no color) | #1F1F1F | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #231B2E
#231B2E
oklch(24.1% 0.037 303.1)
- #1C220E
#1C220E
oklch(24% 0.036 122.8)
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 #231B2E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark #1B2431 ΔE 0.032
- Jet #212529 ΔE 0.039
- Rich Black #0D1B2A ΔE 0.039
- Oxford Blue #1B263B ΔE 0.040
- Eggplant #380835 ΔE 0.065
- Space Cadet #2B2D42 ΔE 0.066
- Dark Purple #35063E ΔE 0.070
- Very Dark Purple #2A0134 ΔE 0.071
Use #231B2E 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.