#25213F
Closest named color: Oxford Blue (#1B263B). oklch(26.8% 0.055 288.2), rgb(37, 33, 63).
Aa
White text reads best on this color (15.35:1).
About this color
#25213F is a dark, muted purple. In OKLCH its lightness is 27%, its chroma 0.055 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.025 away. White text reads best on it, at 15.35:1.
| Hue family | Purples |
| Lightness | dark (27%) |
| Chroma | muted (0.055) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.36:1 |
| White text | 15.35:1 |
Values
| HEX | #25213F |
| RGB | rgb(37, 33, 63) |
| HSL | hsl(248, 31%, 19%) |
| OKLCH | oklch(26.8% 0.055 288.2) |
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 #25213F | 15.35:1 | AAA | Lc -104.9 | Preferred for body text |
| Black text on #25213F | 1.36:1 | Fails | Lc 0.0 | Not readable |
| #25213F text on white | 15.35:1 | AAA | Lc 102.2 | Preferred for body text |
| #25213F text on black | 1.36:1 | 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
#E9E8F6
oklch(93.6% 0.019 289.3)
-
Step 200
200
#D7D6F0
oklch(88.5% 0.036 287.4)
-
Step 300
300
#BEBBE9
oklch(81% 0.064 287.9)
-
Step 400
400
#9D96DE
oklch(70.7% 0.104 287.9)
-
Step 500
500
#877AD4
oklch(63% 0.133 288.6)
-
Step 600
600
#7162C2
oklch(55.6% 0.144 287.9)
-
Step 700
700
#5F50A7
oklch(49% 0.135 288.3)
-
Step 800
800
#4E4287
oklch(42.7% 0.111 288.8)
-
Step 900
900
#40396C
oklch(37.7% 0.085 287.9)
-
Step 950
950 (this color)
#25213F
oklch(26.8% 0.055 288.2)
#25213F 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) | #172640 | 0.026 |
| Deuteranopia (no green cones) | #17243E | 0.024 |
| Tritanopia (no blue cones) | #1E272C | 0.048 |
| Achromatopsia (no color) | #252525 | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #25213F
#25213F
oklch(26.8% 0.055 288.2)
- #292802
#292802
oklch(26.9% 0.056 108.1)
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 #25213F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.025
- Dark #1B2431 ΔE 0.036
- Space Cadet #2B2D42 ΔE 0.041
- Jet #212529 ΔE 0.048
- Gunmetal #293241 ΔE 0.057
- Rich Black #0D1B2A ΔE 0.061
- Prussian Blue #1D3557 ΔE 0.069
- Dark Purple #35063E ΔE 0.069
Use #25213F 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.