#25233E
Closest named color: Oxford Blue (#1B263B). oklch(27.2% 0.049 286), rgb(37, 35, 62).
Aa
White text reads best on this color (15.12:1).
About this color
#25233E is a dark, muted purple. In OKLCH its lightness is 27%, its chroma 0.049 and its hue 286°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.020 away. White text reads best on it, at 15.12:1.
| Hue family | Purples |
| Lightness | dark (27%) |
| Chroma | muted (0.049) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.38:1 |
| White text | 15.12:1 |
Values
| HEX | #25233E |
| RGB | rgb(37, 35, 62) |
| HSL | hsl(244, 28%, 19%) |
| OKLCH | oklch(27.2% 0.049 286) |
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 #25233E | 15.12:1 | AAA | Lc -104.7 | Preferred for body text |
| Black text on #25233E | 1.38:1 | Fails | Lc 0.0 | Not readable |
| #25233E text on white | 15.12:1 | AAA | Lc 102.0 | Preferred for body text |
| #25233E 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
#F5F5FB
oklch(97.2% 0.008 286.3)
-
Step 100
100
#E8E8F5
oklch(93.5% 0.017 286.1)
-
Step 200
200
#D7D6EE
oklch(88.4% 0.033 287.6)
-
Step 300
300
#BDBCE5
oklch(81% 0.057 286.2)
-
Step 400
400
#9B98D9
oklch(70.7% 0.094 285.8)
-
Step 500
500
#847DCE
oklch(63% 0.12 286.4)
-
Step 600
600
#6E65BB
oklch(55.5% 0.13 286.1)
-
Step 700
700
#5C54A1
oklch(49.1% 0.12 285.8)
-
Step 800
800
#4B4583
oklch(42.7% 0.1 285.7)
-
Step 900
900
#3E3A69
oklch(37.6% 0.079 285.8)
-
Step 950
950 (this color)
#25233E
oklch(27.2% 0.049 286)
#25233E 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) | #1A273F | 0.020 |
| Deuteranopia (no green cones) | #1A253D | 0.019 |
| Tritanopia (no blue cones) | #1E282D | 0.043 |
| Achromatopsia (no color) | #262626 | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #25233E
#25233E
oklch(27.2% 0.049 286)
- #2A2807
#2A2807
oklch(27.1% 0.05 105.9)
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 #25233E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.020
- Dark #1B2431 ΔE 0.032
- Space Cadet #2B2D42 ΔE 0.035
- Jet #212529 ΔE 0.044
- Gunmetal #293241 ΔE 0.050
- Rich Black #0D1B2A ΔE 0.062
- Prussian Blue #1D3557 ΔE 0.065
- Marine #042E60 ΔE 0.071
Use #25233E 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.