#25224A
Closest named color: Oxford Blue (#1B263B). oklch(27.8% 0.072 284.1), rgb(37, 34, 74).
Aa
White text reads best on this color (14.93:1).
About this color
#25224A is a dark, moderately saturated purple. In OKLCH its lightness is 28%, its chroma 0.072 and its hue 284°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.037 away. White text reads best on it, at 14.93:1.
| Hue family | Purples |
| Lightness | dark (28%) |
| Chroma | moderately saturated (0.072) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.40:1 |
| White text | 14.93:1 |
Values
| HEX | #25224A |
| RGB | rgb(37, 34, 74) |
| HSL | hsl(245, 37%, 21%) |
| OKLCH | oklch(27.8% 0.072 284.1) |
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 #25224A | 14.93:1 | AAA | Lc -104.5 | Preferred for body text |
| Black text on #25224A | 1.40:1 | Fails | Lc 0.0 | Not readable |
| #25224A text on white | 14.93:1 | AAA | Lc 101.7 | Preferred for body text |
| #25224A text on black | 1.40:1 | 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
#D5D6F8
oklch(88.6% 0.047 284.1)
-
Step 300
300
#B9BAF6
oklch(80.9% 0.084 283.6)
-
Step 400
400
#9793F2
oklch(70.6% 0.137 284.2)
-
Step 500
500
#8076ED
oklch(63.2% 0.173 284.1)
-
Step 600
600
#6B5BDB
oklch(55.6% 0.188 284.1)
-
Step 700
700
#5A4ABE
oklch(49.2% 0.175 284.2)
-
Step 800
800
#493D9A
oklch(42.7% 0.146 284.2)
-
Step 900
900
#3C357A
oklch(37.6% 0.113 284.1)
-
Step 950
950 (this color)
#25224A
oklch(27.8% 0.072 284.1)
#25224A 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) | #11284B | 0.031 |
| Deuteranopia (no green cones) | #0F2649 | 0.032 |
| Tritanopia (no blue cones) | #192A32 | 0.061 |
| Achromatopsia (no color) | #272727 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #25224A
#25224A
oklch(27.8% 0.072 284.1)
- #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 #25224A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.037
- Space Cadet #2B2D42 ΔE 0.043
- Dark #1B2431 ΔE 0.053
- Marine #042E60 ΔE 0.057
- Prussian Blue #1D3557 ΔE 0.059
- Gunmetal #293241 ΔE 0.059
- Dark Indigo #1F0954 ΔE 0.064
- Jet #212529 ΔE 0.066
Use #25224A 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.