#28244C
Closest named color: Space Cadet (#2B2D42). oklch(28.7% 0.071 285.5), rgb(40, 36, 76).
Aa
White text reads best on this color (14.51:1).
About this color
#28244C is a dark, moderately saturated purple. In OKLCH its lightness is 29%, its chroma 0.071 and its hue 286°. Its hue sits on the cool side of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.038 away. White text reads best on it, at 14.51:1.
| Hue family | Purples |
| Lightness | dark (29%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.44:1 |
| White text | 14.51:1 |
Values
| HEX | #28244C |
| RGB | rgb(40, 36, 76) |
| HSL | hsl(246, 36%, 22%) |
| OKLCH | oklch(28.7% 0.071 285.5) |
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 #28244C | 14.51:1 | AAA | Lc -104.1 | Preferred for body text |
| Black text on #28244C | 1.44:1 | Fails | Lc 0.0 | Not readable |
| #28244C text on white | 14.51:1 | AAA | Lc 101.2 | Preferred for body text |
| #28244C text on black | 1.44:1 | 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
#E8E8FA
oklch(93.6% 0.024 285.9)
-
Step 200
200
#D5D5F8
oklch(88.4% 0.048 285.4)
-
Step 300
300
#BBB9F5
oklch(80.8% 0.084 285.9)
-
Step 400
400
#9993F1
oklch(70.7% 0.135 285.3)
-
Step 500
500
#8275EC
oklch(63.1% 0.173 285.3)
-
Step 600
600
#6E5ADA
oklch(55.6% 0.188 285.7)
-
Step 700
700
#5C49BD
oklch(49.1% 0.174 285.5)
-
Step 800
800
#4B3D99
oklch(42.8% 0.144 285.5)
-
Step 900
900
#3E357A
oklch(37.7% 0.113 285.6)
-
Step 950
950 (this color)
#28244C
oklch(28.7% 0.071 285.5)
#28244C 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) | #142A4D | 0.032 |
| Deuteranopia (no green cones) | #13284B | 0.032 |
| Tritanopia (no blue cones) | #1D2C34 | 0.060 |
| Achromatopsia (no color) | #292929 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28244C
#28244C
oklch(28.7% 0.071 285.5)
- #2F2C00
#2F2C00
oklch(28.7% 0.061 105.6)
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 #28244C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.038
- Oxford Blue #1B263B ΔE 0.040
- Prussian Blue #1D3557 ΔE 0.053
- Gunmetal #293241 ΔE 0.054
- Marine #042E60 ΔE 0.055
- Dark #1B2431 ΔE 0.057
- Jet #212529 ΔE 0.069
- Dark Indigo #1F0954 ΔE 0.070
Use #28244C 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.