#28274E
Closest named color: Space Cadet (#2B2D42). oklch(29.5% 0.069 282.4), rgb(40, 39, 78).
Aa
White text reads best on this color (14.08:1).
About this color
#28274E is a dark, muted purple. In OKLCH its lightness is 30%, its chroma 0.069 and its hue 282°. Its hue sits on the cool side of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.033 away. White text reads best on it, at 14.08:1.
| Hue family | Purples |
| Lightness | dark (30%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.49:1 |
| White text | 14.08:1 |
Values
| HEX | #28274E |
| RGB | rgb(40, 39, 78) |
| HSL | hsl(242, 33%, 23%) |
| OKLCH | oklch(29.5% 0.069 282.4) |
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 #28274E | 14.08:1 | AAA | Lc -103.7 | Preferred for body text |
| Black text on #28274E | 1.49:1 | Fails | Lc 0.0 | Not readable |
| #28274E text on white | 14.08:1 | AAA | Lc 100.7 | Preferred for body text |
| #28274E text on black | 1.49:1 | 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
#E7E8FA
oklch(93.6% 0.024 283.4)
-
Step 200
200
#D4D6F7
oklch(88.5% 0.045 282.7)
-
Step 300
300
#B8BBF5
oklch(81% 0.082 282.1)
-
Step 400
400
#9595F0
oklch(70.7% 0.132 282.5)
-
Step 500
500
#7D78EB
oklch(63.2% 0.168 282.4)
-
Step 600
600
#685DD9
oklch(55.6% 0.183 282.7)
-
Step 700
700
#574CBC
oklch(49.1% 0.17 282.6)
-
Step 800
800
#473F98
oklch(42.7% 0.141 282.7)
-
Step 900
900
#3B3779
oklch(37.8% 0.109 282.6)
-
Step 950
950 (this color)
#28274E
oklch(29.5% 0.069 282.4)
#28274E 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) | #182D4F | 0.027 |
| Deuteranopia (no green cones) | #162A4D | 0.027 |
| Tritanopia (no blue cones) | #1C2F36 | 0.060 |
| Achromatopsia (no color) | #2B2B2B | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28274E
#28274E
oklch(29.5% 0.069 282.4)
- #332D00
#332D00
oklch(29.4% 0.062 101.5)
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 #28274E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.033
- Oxford Blue #1B263B ΔE 0.042
- Prussian Blue #1D3557 ΔE 0.044
- Gunmetal #293241 ΔE 0.048
- Marine #042E60 ΔE 0.049
- Dark #1B2431 ΔE 0.059
- Dark Blue Grey #1F3B4D ΔE 0.065
- Marine Blue #01386A ΔE 0.070
Use #28274E 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.