#25244C
Closest named color: Oxford Blue (#1B263B). oklch(28.4% 0.072 282), rgb(37, 36, 76).
Aa
White text reads best on this color (14.63:1).
About this color
#25244C is a dark, moderately saturated purple. In OKLCH its lightness is 28%, its chroma 0.072 and its hue 282°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.038 away. White text reads best on it, at 14.63:1.
| Hue family | Purples |
| Lightness | dark (28%) |
| Chroma | moderately saturated (0.072) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.43:1 |
| White text | 14.63:1 |
Values
| HEX | #25244C |
| RGB | rgb(37, 36, 76) |
| HSL | hsl(242, 36%, 22%) |
| OKLCH | oklch(28.4% 0.072 282) |
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 #25244C | 14.63:1 | AAA | Lc -104.2 | Preferred for body text |
| Black text on #25244C | 1.43:1 | Fails | Lc 0.0 | Not readable |
| #25244C text on white | 14.63:1 | AAA | Lc 101.3 | Preferred for body text |
| #25244C text on black | 1.43:1 | 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
#E7E8FA
oklch(93.6% 0.024 283.4)
-
Step 200
200
#D3D6F8
oklch(88.5% 0.047 281.4)
-
Step 300
300
#B7BAF7
oklch(80.8% 0.086 282.1)
-
Step 400
400
#9495F3
oklch(70.8% 0.136 281.9)
-
Step 500
500
#7C77EE
oklch(63.1% 0.174 282.1)
-
Step 600
600
#675CDC
oklch(55.5% 0.189 282.2)
-
Step 700
700
#564BBF
oklch(49.1% 0.175 282.1)
-
Step 800
800
#463E9B
oklch(42.7% 0.146 282.1)
-
Step 900
900
#3A367B
oklch(37.7% 0.114 282.1)
-
Step 950
950 (this color)
#25244C
oklch(28.4% 0.072 282)
#25244C 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) | #132A4D | 0.029 |
| Deuteranopia (no green cones) | #11274B | 0.029 |
| Tritanopia (no blue cones) | #182C34 | 0.061 |
| Achromatopsia (no color) | #292929 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #25244C
#25244C
oklch(28.4% 0.072 282)
- #302B00
#302B00
oklch(28.6% 0.06 102.6)
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 #25244C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.038
- Space Cadet #2B2D42 ΔE 0.040
- Marine #042E60 ΔE 0.052
- Prussian Blue #1D3557 ΔE 0.053
- Dark #1B2431 ΔE 0.055
- Gunmetal #293241 ΔE 0.055
- Jet #212529 ΔE 0.068
- Dark Indigo #1F0954 ΔE 0.068
Use #25244C 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.