#232631
Closest named color: Jet (#212529). oklch(27% 0.021 273), rgb(35, 38, 49).
Aa
White text reads best on this color (15.07:1).
About this color
#232631 is a dark close to neutral grey. In OKLCH its lightness is 27%, its chroma 0.021. It has too little chroma to lean warm or cool. The nearest named color is Jet (#212529), ΔE 0.015 away. White text reads best on it, at 15.07:1.
| Hue family | Neutrals |
| Lightness | dark (27%) |
| Chroma | close to neutral grey (0.021) |
| Temperature | neutral |
| Nearest name | Jet (#212529) |
| Black text | 1.39:1 |
| White text | 15.07:1 |
Values
| HEX | #232631 |
| RGB | rgb(35, 38, 49) |
| HSL | hsl(227, 17%, 16%) |
| OKLCH | oklch(27% 0.021 273) |
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 #232631 | 15.07:1 | AAA | Lc -104.7 | Preferred for body text |
| Black text on #232631 | 1.39:1 | Fails | Lc 0.0 | Not readable |
| #232631 text on white | 15.07:1 | AAA | Lc 102.0 | Preferred for body text |
| #232631 text on black | 1.39:1 | 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
#F5F5F8
oklch(97.1% 0.004 286.3)
-
Step 100
100
#E8EAEF
oklch(93.7% 0.007 268.5)
-
Step 200
200
#D6D9E2
oklch(88.6% 0.013 271.3)
-
Step 300
300
#BBC0D1
oklch(80.9% 0.024 272.8)
-
Step 400
400
#989FBA
oklch(70.6% 0.04 273.9)
-
Step 500
500
#7F88A9
oklch(63.1% 0.051 273)
-
Step 600
600
#687194
oklch(55.5% 0.056 273.3)
-
Step 700
700
#575F7E
oklch(49.1% 0.051 273.2)
-
Step 800
800
#474E67
oklch(42.8% 0.043 272.4)
-
Step 900
900
#3C4153
oklch(37.8% 0.032 272.7)
-
Step 950
950 (this color)
#232631
oklch(27% 0.021 273)
#232631 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) | #232732 | 0.003 |
| Deuteranopia (no green cones) | #222631 | 0.002 |
| Tritanopia (no blue cones) | #20282A | 0.018 |
| Achromatopsia (no color) | #262626 | 0.021 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #232631
#232631
oklch(27% 0.021 273)
- #2A261B
#2A261B
oklch(26.9% 0.02 90.4)
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 #232631, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.015
- Dark #1B2431 ΔE 0.016
- Oxford Blue #1B263B ΔE 0.022
- Space Cadet #2B2D42 ΔE 0.039
- Gunmetal #293241 ΔE 0.046
- Rich Black #0D1B2A ΔE 0.056
- Prussian Blue #1D3557 ΔE 0.075
- Dark Brown #341C02 ΔE 0.075
Use #232631 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.