#282740
Closest named color: Space Cadet (#2B2D42). oklch(28.6% 0.045 285), rgb(40, 39, 64).
Aa
White text reads best on this color (14.43:1).
About this color
#282740 is a dark, muted purple. In OKLCH its lightness is 29%, its chroma 0.045 and its hue 285°. 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 14.43:1.
| Hue family | Purples |
| Lightness | dark (29%) |
| Chroma | muted (0.045) |
| Temperature | cool |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.45:1 |
| White text | 14.43:1 |
Values
| HEX | #282740 |
| RGB | rgb(40, 39, 64) |
| HSL | hsl(242, 24%, 20%) |
| OKLCH | oklch(28.6% 0.045 285) |
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 #282740 | 14.43:1 | AAA | Lc -104.1 | Preferred for body text |
| Black text on #282740 | 1.45:1 | Fails | Lc 0.0 | Not readable |
| #282740 text on white | 14.43:1 | AAA | Lc 101.2 | Preferred for body text |
| #282740 text on black | 1.45:1 | 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
#E8E9F4
oklch(93.6% 0.015 281.9)
-
Step 200
200
#D6D7ED
oklch(88.5% 0.03 283.7)
-
Step 300
300
#BCBCE3
oklch(80.8% 0.055 285.1)
-
Step 400
400
#9B99D4
oklch(70.7% 0.086 285.5)
-
Step 500
500
#837FC9
oklch(63.1% 0.11 285.3)
-
Step 600
600
#6D67B6
oklch(55.5% 0.12 285.2)
-
Step 700
700
#5B569D
oklch(49.2% 0.111 284.7)
-
Step 800
800
#4A467F
oklch(42.6% 0.093 284.9)
-
Step 900
900
#3E3B66
oklch(37.6% 0.072 285.5)
-
Step 950
950 (this color)
#282740
oklch(28.6% 0.045 285)
#282740 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) | #202A41 | 0.015 |
| Deuteranopia (no green cones) | #1F293F | 0.016 |
| Tritanopia (no blue cones) | #222C30 | 0.040 |
| Achromatopsia (no color) | #2A2A2A | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #282740
#282740
oklch(28.6% 0.045 285)
- #2E2C0F
#2E2C0F
oklch(28.8% 0.045 105.3)
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 #282740, 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 0.024
- Gunmetal #293241 ΔE 0.037
- Dark #1B2431 ΔE 0.037
- Jet #212529 ΔE 0.045
- Prussian Blue #1D3557 ΔE 0.054
- Dark Blue Grey #1F3B4D ΔE 0.064
- Marine #042E60 ΔE 0.067
Use #282740 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.