#25304A
Closest named color: Space Cadet (#2B2D42). oklch(31.2% 0.049 266.1), rgb(37, 48, 74).
Aa
White text reads best on this color (13.12:1).
About this color
#25304A is a dark, muted blue. In OKLCH its lightness is 31%, its chroma 0.049 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.017 away. White text reads best on it, at 13.12:1.
| Hue family | Blues |
| Lightness | dark (31%) |
| Chroma | muted (0.049) |
| Temperature | cool |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.60:1 |
| White text | 13.12:1 |
Values
| HEX | #25304A |
| RGB | rgb(37, 48, 74) |
| HSL | hsl(222, 33%, 22%) |
| OKLCH | oklch(31.2% 0.049 266.1) |
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 #25304A | 13.12:1 | AAA | Lc -102.6 | Preferred for body text |
| Black text on #25304A | 1.60:1 | Fails | Lc 0.0 | Not readable |
| #25304A text on white | 13.12:1 | AAA | Lc 99.4 | Preferred for body text |
| #25304A text on black | 1.60:1 | 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
#AFC0E7
oklch(80.8% 0.058 266.6)
-
Step 400
400
#859FDC
oklch(70.6% 0.095 266.3)
-
Step 500
500
#6786D2
oklch(63% 0.12 266.2)
-
Step 600
600
#4F6FBF
oklch(55.6% 0.13 265.9)
-
Step 700
700
#405CA5
oklch(49% 0.122 266.2)
-
Step 800
800
#354C85
oklch(42.7% 0.099 265.8)
-
Step 900
900
#2E406B
oklch(37.8% 0.077 265.7)
-
Step 950
950 (this color)
#25304A
oklch(31.2% 0.049 266.1)
#25304A 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) | #27324B | 0.007 |
| Deuteranopia (no green cones) | #232F49 | 0.005 |
| Tritanopia (no blue cones) | #173539 | 0.044 |
| Achromatopsia (no color) | #303030 | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #25304A
#25304A
oklch(31.2% 0.049 266.1)
- #3C2F10
#3C2F10
oklch(31.2% 0.05 86.3)
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 #25304A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.017
- Gunmetal #293241 ΔE 0.020
- Prussian Blue #1D3557 ΔE 0.026
- Dark Blue Grey #1F3B4D ΔE 0.035
- Midnight Green #073B4C ΔE 0.042
- Oxford Blue #1B263B ΔE 0.043
- Onyx #343A40 ΔE 0.050
- Marine #042E60 ΔE 0.052
Use #25304A 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.