#252A36
Closest named color: Oxford Blue (#1B263B). oklch(28.5% 0.023 267.2), rgb(37, 42, 54).
Aa
White text reads best on this color (14.35:1).
About this color
#252A36 is a dark close to neutral grey. In OKLCH its lightness is 29%, its chroma 0.023. It has too little chroma to lean warm or cool. The nearest named color is Oxford Blue (#1B263B), ΔE 0.025 away. White text reads best on it, at 14.35:1.
| Hue family | Neutrals |
| Lightness | dark (29%) |
| Chroma | close to neutral grey (0.023) |
| Temperature | neutral |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.46:1 |
| White text | 14.35:1 |
Values
| HEX | #252A36 |
| RGB | rgb(37, 42, 54) |
| HSL | hsl(222, 19%, 18%) |
| OKLCH | oklch(28.5% 0.023 267.2) |
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 #252A36 | 14.35:1 | AAA | Lc -104.0 | Preferred for body text |
| Black text on #252A36 | 1.46:1 | Fails | Lc 0.0 | Not readable |
| #252A36 text on white | 14.35:1 | AAA | Lc 101.1 | Preferred for body text |
| #252A36 text on black | 1.46:1 | 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
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E7EAEF
oklch(93.6% 0.007 260.7)
-
Step 200
200
#D4D9E4
oklch(88.5% 0.016 266.3)
-
Step 300
300
#B9C1D3
oklch(81% 0.027 266.6)
-
Step 400
400
#94A0BD
oklch(70.6% 0.045 267.5)
-
Step 500
500
#7A89AC
oklch(63.1% 0.056 266.7)
-
Step 600
600
#637298
oklch(55.5% 0.062 267.7)
-
Step 700
700
#526082
oklch(49.1% 0.057 267)
-
Step 800
800
#434E69
oklch(42.6% 0.047 267.2)
-
Step 900
900
#394155
oklch(37.6% 0.036 267.7)
-
Step 950
950 (this color)
#252A36
oklch(28.5% 0.023 267.2)
#252A36 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) | #262B37 | 0.004 |
| Deuteranopia (no green cones) | #252936 | 0.003 |
| Tritanopia (no blue cones) | #212C2E | 0.020 |
| Achromatopsia (no color) | #2A2A2A | 0.023 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #252A36
#252A36
oklch(28.5% 0.023 267.2)
- #2F2A1D
#2F2A1D
oklch(28.6% 0.023 89.5)
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 #252A36, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.025
- Space Cadet #2B2D42 ΔE 0.025
- Jet #212529 ΔE 0.028
- Dark #1B2431 ΔE 0.028
- Gunmetal #293241 ΔE 0.031
- Dark Blue Grey #1F3B4D ΔE 0.060
- Onyx #343A40 ΔE 0.061
- Prussian Blue #1D3557 ΔE 0.062
Use #252A36 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.