#252A44
Closest named color: Space Cadet (#2B2D42). oklch(29.3% 0.048 274.8), rgb(37, 42, 68).
Aa
White text reads best on this color (14.06:1).
About this color
#252A44 is a dark, muted blue. In OKLCH its lightness is 29%, its chroma 0.048 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.016 away. White text reads best on it, at 14.06:1.
| Hue family | Blues |
| Lightness | dark (29%) |
| Chroma | muted (0.048) |
| Temperature | cool |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.49:1 |
| White text | 14.06:1 |
Values
| HEX | #252A44 |
| RGB | rgb(37, 42, 68) |
| HSL | hsl(230, 30%, 21%) |
| OKLCH | oklch(29.3% 0.048 274.8) |
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 #252A44 | 14.06:1 | AAA | Lc -103.7 | Preferred for body text |
| Black text on #252A44 | 1.49:1 | Fails | Lc 0.0 | Not readable |
| #252A44 text on white | 14.06:1 | AAA | Lc 100.7 | Preferred for body text |
| #252A44 text on black | 1.49:1 | 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
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E6E9F5
oklch(93.5% 0.016 274.8)
-
Step 200
200
#D2D8EF
oklch(88.5% 0.032 274.1)
-
Step 300
300
#B5BEE6
oklch(80.8% 0.057 275.1)
-
Step 400
400
#909CDA
oklch(70.7% 0.092 275.4)
-
Step 500
500
#7583CF
oklch(63.1% 0.115 274.7)
-
Step 600
600
#5E6BBC
oklch(55.5% 0.126 274.7)
-
Step 700
700
#4E59A2
oklch(49.1% 0.117 274.8)
-
Step 800
800
#404984
oklch(42.7% 0.098 274.9)
-
Step 900
900
#363D69
oklch(37.6% 0.076 275.3)
-
Step 950
950 (this color)
#252A44
oklch(29.3% 0.048 274.8)
#252A44 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) | #212D45 | 0.011 |
| Deuteranopia (no green cones) | #1F2A43 | 0.010 |
| Tritanopia (no blue cones) | #1B2F33 | 0.043 |
| Achromatopsia (no color) | #2B2B2B | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #252A44
#252A44
oklch(29.3% 0.048 274.8)
- #342C0D
#342C0D
oklch(29.4% 0.048 94.8)
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 #252A44, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.016
- Oxford Blue #1B263B ΔE 0.026
- Gunmetal #293241 ΔE 0.030
- Dark #1B2431 ΔE 0.042
- Prussian Blue #1D3557 ΔE 0.043
- Jet #212529 ΔE 0.050
- Dark Blue Grey #1F3B4D ΔE 0.054
- Marine #042E60 ΔE 0.058
Use #252A44 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.