#28273D
Closest named color: Space Cadet (#2B2D42). oklch(28.4% 0.04 285.6), rgb(40, 39, 61).
Aa
White text reads best on this color (14.50:1).
About this color
#28273D is a dark, muted purple. In OKLCH its lightness is 28%, its chroma 0.040 and its hue 286°. Its hue sits on the cool side of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.021 away. White text reads best on it, at 14.50:1.
| Hue family | Purples |
| Lightness | dark (28%) |
| Chroma | muted (0.040) |
| Temperature | cool |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.44:1 |
| White text | 14.50:1 |
Values
| HEX | #28273D |
| RGB | rgb(40, 39, 61) |
| HSL | hsl(243, 22%, 20%) |
| OKLCH | oklch(28.4% 0.04 285.6) |
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 #28273D | 14.50:1 | AAA | Lc -104.2 | Preferred for body text |
| Black text on #28273D | 1.44:1 | Fails | Lc 0.0 | Not readable |
| #28273D text on white | 14.50:1 | AAA | Lc 101.3 | Preferred for body text |
| #28273D 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
#F5F5FA
oklch(97.2% 0.007 286.3)
-
Step 100
100
#E9E9F3
oklch(93.7% 0.013 286.1)
-
Step 200
200
#D7D7EA
oklch(88.5% 0.026 285.9)
-
Step 300
300
#BDBDDF
oklch(80.9% 0.048 285.3)
-
Step 400
400
#9C9ACE
oklch(70.7% 0.075 286.1)
-
Step 500
500
#8481C2
oklch(63.2% 0.097 285.4)
-
Step 600
600
#6E69AE
oklch(55.6% 0.106 285.7)
-
Step 700
700
#5C5796
oklch(49% 0.099 285.7)
-
Step 800
800
#4B4879
oklch(42.7% 0.08 285.3)
-
Step 900
900
#3F3C62
oklch(37.7% 0.064 286.5)
-
Step 950
950 (this color)
#28273D
oklch(28.4% 0.04 285.6)
#28273D 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) | #212A3E | 0.014 |
| Deuteranopia (no green cones) | #20293C | 0.015 |
| Tritanopia (no blue cones) | #232B2F | 0.034 |
| Achromatopsia (no color) | #292929 | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28273D
#28273D
oklch(28.4% 0.04 285.6)
- #2D2B12
#2D2B12
oklch(28.4% 0.04 104.6)
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 #28273D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.021
- Oxford Blue #1B263B ΔE 0.022
- Dark #1B2431 ΔE 0.033
- Gunmetal #293241 ΔE 0.036
- Jet #212529 ΔE 0.040
- Prussian Blue #1D3557 ΔE 0.057
- Dark Blue Grey #1F3B4D ΔE 0.065
- Onyx #343A40 ΔE 0.068
Use #28273D 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.