#252E41
Closest named color: Space Cadet (#2B2D42). oklch(30.2% 0.037 264.7), rgb(37, 46, 65).
Aa
White text reads best on this color (13.58:1).
About this color
#252E41 is a dark, muted blue. In OKLCH its lightness is 30%, its chroma 0.037 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.010 away. White text reads best on it, at 13.58:1.
| Hue family | Blues |
| Lightness | dark (30%) |
| Chroma | muted (0.037) |
| Temperature | cool |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.54:1 |
| White text | 13.58:1 |
Values
| HEX | #252E41 |
| RGB | rgb(37, 46, 65) |
| HSL | hsl(221, 27%, 20%) |
| OKLCH | oklch(30.2% 0.037 264.7) |
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 #252E41 | 13.58:1 | AAA | Lc -103.2 | Preferred for body text |
| Black text on #252E41 | 1.54:1 | Fails | Lc 0.0 | Not readable |
| #252E41 text on white | 13.58:1 | AAA | Lc 100.1 | Preferred for body text |
| #252E41 text on black | 1.54:1 | 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
#F3F5F9
oklch(97% 0.006 264.5)
-
Step 100
100
#E6EAF3
oklch(93.7% 0.013 266.7)
-
Step 200
200
#D1D9EA
oklch(88.4% 0.025 265.6)
-
Step 300
300
#B3C1DE
oklch(81% 0.044 264.9)
-
Step 400
400
#8BA0CD
oklch(70.6% 0.07 265.2)
-
Step 500
500
#6F89C0
oklch(63.2% 0.089 264.6)
-
Step 600
600
#5772AC
oklch(55.7% 0.096 264.5)
-
Step 700
700
#475F94
oklch(49.1% 0.09 264.8)
-
Step 800
800
#3A4E78
oklch(42.7% 0.075 264.1)
-
Step 900
900
#324161
oklch(37.7% 0.059 264.6)
-
Step 950
950 (this color)
#252E41
oklch(30.2% 0.037 264.7)
#252E41 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) | #272F42 | 0.005 |
| Deuteranopia (no green cones) | #252D41 | 0.003 |
| Tritanopia (no blue cones) | #1C3235 | 0.032 |
| Achromatopsia (no color) | #2E2E2E | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #252E41
#252E41
oklch(30.2% 0.037 264.7)
- #372D18
#372D18
oklch(30.2% 0.037 84.8)
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 #252E41, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.010
- Gunmetal #293241 ΔE 0.016
- Oxford Blue #1B263B ΔE 0.033
- Prussian Blue #1D3557 ΔE 0.041
- Dark Blue Grey #1F3B4D ΔE 0.043
- Dark #1B2431 ΔE 0.045
- Midnight Green #073B4C ΔE 0.047
- Jet #212529 ΔE 0.048
Use #252E41 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.