#25204E
Closest named color: Oxford Blue (#1B263B). oklch(27.7% 0.082 284.7), rgb(37, 32, 78).
Aa
White text reads best on this color (15.05:1).
About this color
#25204E is a dark, moderately saturated purple. In OKLCH its lightness is 28%, its chroma 0.082 and its hue 285°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.046 away. White text reads best on it, at 15.05:1.
| Hue family | Purples |
| Lightness | dark (28%) |
| Chroma | moderately saturated (0.082) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.39:1 |
| White text | 15.05:1 |
Values
| HEX | #25204E |
| RGB | rgb(37, 32, 78) |
| HSL | hsl(247, 42%, 22%) |
| OKLCH | oklch(27.7% 0.082 284.7) |
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 #25204E | 15.05:1 | AAA | Lc -104.6 | Preferred for body text |
| Black text on #25204E | 1.39:1 | Fails | Lc 0.0 | Not readable |
| #25204E text on white | 15.05:1 | AAA | Lc 101.8 | Preferred for body text |
| #25204E text on black | 1.39:1 | 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
#F4F4FE
oklch(97% 0.013 286.1)
-
Step 100
100
#E7E8FC
oklch(93.6% 0.027 283.6)
-
Step 200
200
#D4D5FC
oklch(88.5% 0.053 284.1)
-
Step 300
300
#B9B8FD
oklch(80.8% 0.097 284.7)
-
Step 400
400
#9790FC
oklch(70.6% 0.155 284.6)
-
Step 500
500
#8170FA
oklch(63.1% 0.198 284.8)
-
Step 600
600
#6D53E9
oklch(55.6% 0.216 284.9)
-
Step 700
700
#5B42CB
oklch(49.1% 0.201 284.6)
-
Step 800
800
#4A38A4
oklch(42.7% 0.166 284.5)
-
Step 900
900
#3D3282
oklch(37.7% 0.129 284.6)
-
Step 950
950 (this color)
#25204E
oklch(27.7% 0.082 284.7)
#25204E 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) | #082850 | 0.040 |
| Deuteranopia (no green cones) | #06254D | 0.041 |
| Tritanopia (no blue cones) | #172A33 | 0.069 |
| Achromatopsia (no color) | #262626 | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #25204E
#25204E
oklch(27.7% 0.082 284.7)
- #2D2900
#2D2900
oklch(27.7% 0.058 103.9)
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 #25204E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.046
- Space Cadet #2B2D42 ΔE 0.052
- Dark Indigo #1F0954 ΔE 0.055
- Marine #042E60 ΔE 0.056
- Dark #1B2431 ΔE 0.061
- Prussian Blue #1D3557 ΔE 0.063
- Midnight Blue #191970 ΔE 0.067
- Gunmetal #293241 ΔE 0.068
Use #25204E 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.