#232535
Closest named color: Oxford Blue (#1B263B). oklch(27% 0.03 278.7), rgb(35, 37, 53).
Aa
White text reads best on this color (15.13:1).
About this color
#232535 is a dark close to neutral grey. In OKLCH its lightness is 27%, its chroma 0.030. It has too little chroma to lean warm or cool. The nearest named color is Oxford Blue (#1B263B), ΔE 0.016 away. White text reads best on it, at 15.13:1.
| Hue family | Neutrals |
| Lightness | dark (27%) |
| Chroma | close to neutral grey (0.030) |
| Temperature | neutral |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.38:1 |
| White text | 15.13:1 |
Values
| HEX | #232535 |
| RGB | rgb(35, 37, 53) |
| HSL | hsl(233, 20%, 17%) |
| OKLCH | oklch(27% 0.03 278.7) |
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 #232535 | 15.13:1 | AAA | Lc -104.8 | Preferred for body text |
| Black text on #232535 | 1.38:1 | Fails | Lc 0.0 | Not readable |
| #232535 text on white | 15.13:1 | AAA | Lc 102.0 | Preferred for body text |
| #232535 text on black | 1.38:1 | 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
#F5F5F9
oklch(97.1% 0.005 286.3)
-
Step 100
100
#E8E9F1
oklch(93.6% 0.011 280.5)
-
Step 200
200
#D6D8E6
oklch(88.5% 0.019 279.5)
-
Step 300
300
#BBBFD8
oklch(80.9% 0.035 278.4)
-
Step 400
400
#989EC4
oklch(70.8% 0.056 277.8)
-
Step 500
500
#7F85B5
oklch(63% 0.073 278.6)
-
Step 600
600
#696EA1
oklch(55.5% 0.079 279.2)
-
Step 700
700
#575C8A
oklch(49% 0.074 278.5)
-
Step 800
800
#474B70
oklch(42.6% 0.062 278.7)
-
Step 900
900
#3C3F5B
oklch(37.7% 0.048 279.1)
-
Step 950
950 (this color)
#232535
oklch(27% 0.03 278.7)
#232535 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) | #202736 | 0.008 |
| Deuteranopia (no green cones) | #1F2535 | 0.007 |
| Tritanopia (no blue cones) | #1E282B | 0.026 |
| Achromatopsia (no color) | #262626 | 0.030 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #232535
#232535
oklch(27% 0.03 278.7)
- #2A2715
#2A2715
oklch(27.1% 0.031 100)
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 #232535, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.016
- Dark #1B2431 ΔE 0.016
- Jet #212529 ΔE 0.024
- Space Cadet #2B2D42 ΔE 0.036
- Gunmetal #293241 ΔE 0.046
- Rich Black #0D1B2A ΔE 0.055
- Prussian Blue #1D3557 ΔE 0.071
- Dark Blue Grey #1F3B4D ΔE 0.075
Use #232535 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.