#25314B
Closest named color: Space Cadet (#2B2D42). oklch(31.5% 0.05 264.8), rgb(37, 49, 75).
Aa
White text reads best on this color (12.96:1).
About this color
#25314B is a dark, muted blue. In OKLCH its lightness is 32%, its chroma 0.050 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.019 away. White text reads best on it, at 12.96:1.
| Hue family | Blues |
| Lightness | dark (32%) |
| Chroma | muted (0.050) |
| Temperature | cool |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.61:1 |
| White text | 12.96:1 |
Values
| HEX | #25314B |
| RGB | rgb(37, 49, 75) |
| HSL | hsl(221, 34%, 22%) |
| OKLCH | oklch(31.5% 0.05 264.8) |
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 #25314B | 12.96:1 | AAA | Lc -102.4 | Preferred for body text |
| Black text on #25314B | 1.61:1 | Fails | Lc 0.0 | Not readable |
| #25314B text on white | 12.96:1 | AAA | Lc 99.1 | Preferred for body text |
| #25314B text on black | 1.61:1 | 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
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E4EAF6
oklch(93.6% 0.017 264.5)
-
Step 200
200
#CFD9EF
oklch(88.4% 0.032 266.1)
-
Step 300
300
#AEC1E8
oklch(81% 0.059 264.6)
-
Step 400
400
#84A0DC
oklch(70.8% 0.094 264.9)
-
Step 500
500
#6587D2
oklch(63.1% 0.12 264.7)
-
Step 600
600
#4D6FBF
oklch(55.5% 0.131 265.1)
-
Step 700
700
#3E5DA5
oklch(49.1% 0.121 264.8)
-
Step 800
800
#334C86
oklch(42.7% 0.101 264.9)
-
Step 900
900
#2D406B
oklch(37.7% 0.078 264.9)
-
Step 950
950 (this color)
#25314B
oklch(31.5% 0.05 264.8)
#25314B 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) | #27334C | 0.007 |
| Deuteranopia (no green cones) | #23304A | 0.005 |
| Tritanopia (no blue cones) | #16363A | 0.044 |
| Achromatopsia (no color) | #313131 | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #25314B
#25314B
oklch(31.5% 0.05 264.8)
- #3D2F11
#3D2F11
oklch(31.4% 0.049 84.1)
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 #25314B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.019
- Gunmetal #293241 ΔE 0.020
- Prussian Blue #1D3557 ΔE 0.023
- Dark Blue Grey #1F3B4D ΔE 0.032
- Midnight Green #073B4C ΔE 0.040
- Oxford Blue #1B263B ΔE 0.047
- Onyx #343A40 ΔE 0.048
- Marine #042E60 ΔE 0.051
Use #25314B 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.