#25293F
Closest named color: Space Cadet (#2B2D42). oklch(28.8% 0.041 275.6), rgb(37, 41, 63).
Aa
White text reads best on this color (14.30:1).
About this color
#25293F is a dark, muted blue. In OKLCH its lightness is 29%, its chroma 0.041 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.018 away. White text reads best on it, at 14.30:1.
| Hue family | Blues |
| Lightness | dark (29%) |
| Chroma | muted (0.041) |
| Temperature | cool |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.46:1 |
| White text | 14.30:1 |
Values
| HEX | #25293F |
| RGB | rgb(37, 41, 63) |
| HSL | hsl(231, 26%, 20%) |
| OKLCH | oklch(28.8% 0.041 275.6) |
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 #25293F | 14.30:1 | AAA | Lc -104.0 | Preferred for body text |
| Black text on #25293F | 1.46:1 | Fails | Lc 0.0 | Not readable |
| #25293F text on white | 14.30:1 | AAA | Lc 101.0 | Preferred for body text |
| #25293F 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E7E9F3
oklch(93.5% 0.014 277.1)
-
Step 200
200
#D4D8EB
oklch(88.5% 0.026 276.4)
-
Step 300
300
#B7BFE0
oklch(80.9% 0.047 274.6)
-
Step 400
400
#939DD1
oklch(70.7% 0.077 275.8)
-
Step 500
500
#7984C5
oklch(63.1% 0.099 275.9)
-
Step 600
600
#626DB2
oklch(55.7% 0.108 275.5)
-
Step 700
700
#515B99
oklch(49.2% 0.1 275.2)
-
Step 800
800
#434A7C
oklch(42.7% 0.083 276.2)
-
Step 900
900
#383E64
oklch(37.7% 0.065 276)
-
Step 950
950 (this color)
#25293F
oklch(28.8% 0.041 275.6)
#25293F 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) | #222B40 | 0.007 |
| Deuteranopia (no green cones) | #20293E | 0.008 |
| Tritanopia (no blue cones) | #1E2D31 | 0.035 |
| Achromatopsia (no color) | #2A2A2A | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #25293F
#25293F
oklch(28.8% 0.041 275.6)
- #312B12
#312B12
oklch(28.9% 0.041 96.1)
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 #25293F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.018
- Oxford Blue #1B263B ΔE 0.021
- Gunmetal #293241 ΔE 0.031
- Dark #1B2431 ΔE 0.034
- Jet #212529 ΔE 0.041
- Prussian Blue #1D3557 ΔE 0.051
- Dark Blue Grey #1F3B4D ΔE 0.058
- Midnight Green #073B4C ΔE 0.061
Use #25293F 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.