#231A29
Closest named color: Dark (#1B2431). oklch(23.6% 0.031 311.4), rgb(35, 26, 41).
Aa
White text reads best on this color (16.78:1).
About this color
#231A29 is a very dark, muted purple. In OKLCH its lightness is 24%, its chroma 0.031 and its hue 311°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark (#1B2431), ΔE 0.035 away. White text reads best on it, at 16.78:1.
| Hue family | Purples |
| Lightness | very dark (24%) |
| Chroma | muted (0.031) |
| Temperature | in between |
| Nearest name | Dark (#1B2431) |
| Black text | 1.25:1 |
| White text | 16.78:1 |
Values
| HEX | #231A29 |
| RGB | rgb(35, 26, 41) |
| HSL | hsl(276, 22%, 13%) |
| OKLCH | oklch(23.6% 0.031 311.4) |
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 #231A29 | 16.78:1 | AAA | Lc -106.1 | Preferred for body text |
| Black text on #231A29 | 1.25:1 | Fails | Lc 0.0 | Not readable |
| #231A29 text on white | 16.78:1 | AAA | Lc 103.7 | Preferred for body text |
| #231A29 text on black | 1.25:1 | 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
#F6F4F8
oklch(97% 0.006 308.4)
-
Step 100
100
#ECE8EF
oklch(93.6% 0.01 311.2)
-
Step 200
200
#DDD6E3
oklch(88.5% 0.019 309.8)
-
Step 300
300
#C8BAD2
oklch(80.8% 0.037 311.4)
-
Step 400
400
#AD97BC
oklch(70.8% 0.058 311.5)
-
Step 500
500
#987DAB
oklch(63.1% 0.074 310.9)
-
Step 600
600
#836596
oklch(55.5% 0.082 311.8)
-
Step 700
700
#6F5480
oklch(49.1% 0.076 311.8)
-
Step 800
800
#5A4568
oklch(42.7% 0.062 311.3)
-
Step 900
900
#4A3A55
oklch(37.7% 0.049 311.1)
-
Step 950
950 (this color)
#231A29
oklch(23.6% 0.031 311.4)
#231A29 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) | #181D2A | 0.022 |
| Deuteranopia (no green cones) | #191E29 | 0.022 |
| Tritanopia (no blue cones) | #221C1F | 0.023 |
| Achromatopsia (no color) | #1D1D1D | 0.031 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #231A29
#231A29
oklch(23.6% 0.031 311.4)
- #192112
#192112
oklch(23.5% 0.03 131.2)
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 #231A29, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark #1B2431 ΔE 0.035
- Rich Black #0D1B2A ΔE 0.038
- Jet #212529 ΔE 0.038
- Oxford Blue #1B263B ΔE 0.046
- Eggplant #380835 ΔE 0.068
- Space Cadet #2B2D42 ΔE 0.072
- Very Dark Purple #2A0134 ΔE 0.073
- Aubergine #3D0734 ΔE 0.074
Use #231A29 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.