#28263C
Closest named color: Oxford Blue (#1B263B). oklch(28.1% 0.04 287.7), rgb(40, 38, 60).
Aa
White text reads best on this color (14.65:1).
About this color
#28263C is a dark, muted purple. In OKLCH its lightness is 28%, its chroma 0.040 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.022 away. White text reads best on it, at 14.65:1.
| Hue family | Purples |
| Lightness | dark (28%) |
| Chroma | muted (0.040) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.43:1 |
| White text | 14.65:1 |
Values
| HEX | #28263C |
| RGB | rgb(40, 38, 60) |
| HSL | hsl(245, 22%, 19%) |
| OKLCH | oklch(28.1% 0.04 287.7) |
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 #28263C | 14.65:1 | AAA | Lc -104.3 | Preferred for body text |
| Black text on #28263C | 1.43:1 | Fails | Lc 0.0 | Not readable |
| #28263C text on white | 14.65:1 | AAA | Lc 101.5 | Preferred for body text |
| #28263C text on black | 1.43:1 | 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
#E9E9F3
oklch(93.7% 0.013 286.1)
-
Step 200
200
#D8D7EA
oklch(88.6% 0.026 288.3)
-
Step 300
300
#BEBCDE
oklch(80.8% 0.048 288)
-
Step 400
400
#9D9ACE
oklch(70.8% 0.075 286.9)
-
Step 500
500
#8680C1
oklch(63.1% 0.097 287.5)
-
Step 600
600
#7068AD
oklch(55.5% 0.105 287.8)
-
Step 700
700
#5E5795
oklch(49.2% 0.098 287.4)
-
Step 800
800
#4D4779
oklch(42.7% 0.082 287.9)
-
Step 900
900
#403C61
oklch(37.7% 0.063 288)
-
Step 950
950 (this color)
#28263C
oklch(28.1% 0.04 287.7)
#28263C 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) | #20293D | 0.015 |
| Deuteranopia (no green cones) | #20283B | 0.015 |
| Tritanopia (no blue cones) | #232A2E | 0.035 |
| Achromatopsia (no color) | #282828 | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28263C
#28263C
oklch(28.1% 0.04 287.7)
- #2B2B12
#2B2B12
oklch(28.2% 0.041 108.7)
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 #28263C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.022
- Space Cadet #2B2D42 ΔE 0.024
- Dark #1B2431 ΔE 0.032
- Jet #212529 ΔE 0.038
- Gunmetal #293241 ΔE 0.039
- Prussian Blue #1D3557 ΔE 0.060
- Rich Black #0D1B2A ΔE 0.068
- Dark Blue Grey #1F3B4D ΔE 0.068
Use #28263C 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.