#252A33
Closest named color: Jet (#212529). oklch(28.4% 0.018 262.2), rgb(37, 42, 51).
Aa
White text reads best on this color (14.40:1).
About this color
#252A33 is a dark close to neutral grey. In OKLCH its lightness is 28%, its chroma 0.018. It has too little chroma to lean warm or cool. The nearest named color is Jet (#212529), ΔE 0.024 away. White text reads best on it, at 14.40:1.
| Hue family | Neutrals |
| Lightness | dark (28%) |
| Chroma | close to neutral grey (0.018) |
| Temperature | neutral |
| Nearest name | Jet (#212529) |
| Black text | 1.45:1 |
| White text | 14.40:1 |
Values
| HEX | #252A33 |
| RGB | rgb(37, 42, 51) |
| HSL | hsl(219, 16%, 17%) |
| OKLCH | oklch(28.4% 0.018 262.2) |
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 #252A33 | 14.40:1 | AAA | Lc -104.1 | Preferred for body text |
| Black text on #252A33 | 1.45:1 | Fails | Lc 0.0 | Not readable |
| #252A33 text on white | 14.40:1 | AAA | Lc 101.2 | Preferred for body text |
| #252A33 text on black | 1.45:1 | 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
#F4F5F7
oklch(97% 0.003 264.5)
-
Step 100
100
#E8EAEE
oklch(93.7% 0.006 264.5)
-
Step 200
200
#D5D9E1
oklch(88.5% 0.012 264.5)
-
Step 300
300
#B9C1CF
oklch(80.9% 0.022 261.8)
-
Step 400
400
#95A1B7
oklch(70.7% 0.035 262.6)
-
Step 500
500
#7B8AA5
oklch(63.1% 0.044 262.2)
-
Step 600
600
#647490
oklch(55.6% 0.048 261.5)
-
Step 700
700
#53617A
oklch(49.1% 0.044 261.9)
-
Step 800
800
#444F63
oklch(42.6% 0.036 262.3)
-
Step 900
900
#394251
oklch(37.7% 0.028 260.6)
-
Step 950
950 (this color)
#252A33
oklch(28.4% 0.018 262.2)
#252A33 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) | #272A33 | 0.003 |
| Deuteranopia (no green cones) | #262933 | 0.004 |
| Tritanopia (no blue cones) | #212C2D | 0.017 |
| Achromatopsia (no color) | #2A2A2A | 0.018 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #252A33
#252A33
oklch(28.4% 0.018 262.2)
- #2E2920
#2E2920
oklch(28.3% 0.017 82.2)
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 #252A33, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.024
- Dark #1B2431 ΔE 0.028
- Oxford Blue #1B263B ΔE 0.028
- Space Cadet #2B2D42 ΔE 0.030
- Gunmetal #293241 ΔE 0.034
- Onyx #343A40 ΔE 0.061
- Dark Blue Grey #1F3B4D ΔE 0.063
- Midnight Green #073B4C ΔE 0.064
Use #252A33 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.