#25274D
Closest named color: Space Cadet (#2B2D42). oklch(29.2% 0.068 279), rgb(37, 39, 77).
Aa
White text reads best on this color (14.22:1).
About this color
#25274D is a dark, muted blue. In OKLCH its lightness is 29%, its chroma 0.068 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.033 away. White text reads best on it, at 14.22:1.
| Hue family | Blues |
| Lightness | dark (29%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.47:1 |
| White text | 14.22:1 |
Values
| HEX | #25274D |
| RGB | rgb(37, 39, 77) |
| HSL | hsl(237, 35%, 22%) |
| OKLCH | oklch(29.2% 0.068 279) |
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 #25274D | 14.22:1 | AAA | Lc -103.8 | Preferred for body text |
| Black text on #25274D | 1.47:1 | Fails | Lc 0.0 | Not readable |
| #25274D text on white | 14.22:1 | AAA | Lc 100.8 | Preferred for body text |
| #25274D text on black | 1.47:1 | 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
#F4F5FD
oklch(97.2% 0.011 280.5)
-
Step 100
100
#E6E9FA
oklch(93.7% 0.023 277.9)
-
Step 200
200
#D2D7F7
oklch(88.5% 0.044 278.4)
-
Step 300
300
#B5BCF5
oklch(81% 0.081 279)
-
Step 400
400
#9097F0
oklch(70.8% 0.13 279.1)
-
Step 500
500
#767AEB
oklch(63.1% 0.167 279)
-
Step 600
600
#6160D9
oklch(55.6% 0.181 279.1)
-
Step 700
700
#504FBC
oklch(49.1% 0.167 278.7)
-
Step 800
800
#424198
oklch(42.7% 0.139 279.3)
-
Step 900
900
#373879
oklch(37.7% 0.108 279.2)
-
Step 950
950 (this color)
#25274D
oklch(29.2% 0.068 279)
#25274D 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) | #182C4E | 0.022 |
| Deuteranopia (no green cones) | #15294C | 0.023 |
| Tritanopia (no blue cones) | #172F36 | 0.059 |
| Achromatopsia (no color) | #2B2B2B | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #25274D
#25274D
oklch(29.2% 0.068 279)
- #332C00
#332C00
oklch(29.2% 0.061 99.9)
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 #25274D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.033
- Oxford Blue #1B263B ΔE 0.038
- Prussian Blue #1D3557 ΔE 0.044
- Marine #042E60 ΔE 0.047
- Gunmetal #293241 ΔE 0.047
- Dark #1B2431 ΔE 0.055
- Dark Blue Grey #1F3B4D ΔE 0.065
- Jet #212529 ΔE 0.067
Use #25274D 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.