#25233D
Closest named color: Oxford Blue (#1B263B). oklch(27.2% 0.048 286.3), rgb(37, 35, 61).
Aa
White text reads best on this color (15.14:1).
About this color
#25233D is a dark, muted purple. In OKLCH its lightness is 27%, its chroma 0.048 and its hue 286°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.019 away. White text reads best on it, at 15.14:1.
| Hue family | Purples |
| Lightness | dark (27%) |
| Chroma | muted (0.048) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.38:1 |
| White text | 15.14:1 |
Values
| HEX | #25233D |
| RGB | rgb(37, 35, 61) |
| HSL | hsl(245, 27%, 19%) |
| OKLCH | oklch(27.2% 0.048 286.3) |
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 #25233D | 15.14:1 | AAA | Lc -104.8 | Preferred for body text |
| Black text on #25233D | 1.38:1 | Fails | Lc 0.0 | Not readable |
| #25233D text on white | 15.14:1 | AAA | Lc 102.0 | Preferred for body text |
| #25233D text on black | 1.38:1 | 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
#F5F5FA
oklch(97.2% 0.007 286.3)
-
Step 100
100
#E9E8F5
oklch(93.6% 0.017 289.6)
-
Step 200
200
#D7D7EE
oklch(88.6% 0.031 285.7)
-
Step 300
300
#BDBCE4
oklch(80.9% 0.056 286.2)
-
Step 400
400
#9C98D7
oklch(70.7% 0.091 286.7)
-
Step 500
500
#847ECC
oklch(63.1% 0.116 286.1)
-
Step 600
600
#6F66B9
oklch(55.7% 0.126 286.5)
-
Step 700
700
#5D549F
oklch(49.1% 0.117 286.7)
-
Step 800
800
#4B4581
oklch(42.6% 0.097 286.1)
-
Step 900
900
#3F3B67
oklch(37.8% 0.074 286.4)
-
Step 950
950 (this color)
#25233D
oklch(27.2% 0.048 286.3)
#25233D 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) | #1B273E | 0.019 |
| Deuteranopia (no green cones) | #1A253C | 0.019 |
| Tritanopia (no blue cones) | #1F282D | 0.040 |
| Achromatopsia (no color) | #262626 | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #25233D
#25233D
oklch(27.2% 0.048 286.3)
- #2A2809
#2A2809
oklch(27.1% 0.047 105.6)
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 #25233D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.019
- Dark #1B2431 ΔE 0.030
- Space Cadet #2B2D42 ΔE 0.035
- Jet #212529 ΔE 0.042
- Gunmetal #293241 ΔE 0.050
- Rich Black #0D1B2A ΔE 0.061
- Prussian Blue #1D3557 ΔE 0.066
- Marine #042E60 ΔE 0.072
Use #25233D 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.