#282E3E
Closest named color: Space Cadet (#2B2D42). oklch(30.3% 0.03 268.6), rgb(40, 46, 62).
Aa
White text reads best on this color (13.54:1).
About this color
#282E3E is a dark, muted blue. In OKLCH its lightness is 30%, its chroma 0.030 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.010 away. White text reads best on it, at 13.54:1.
| Hue family | Blues |
| Lightness | dark (30%) |
| Chroma | muted (0.030) |
| Temperature | cool |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.55:1 |
| White text | 13.54:1 |
Values
| HEX | #282E3E |
| RGB | rgb(40, 46, 62) |
| HSL | hsl(224, 22%, 20%) |
| OKLCH | oklch(30.3% 0.03 268.6) |
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 #282E3E | 13.54:1 | AAA | Lc -103.2 | Preferred for body text |
| Black text on #282E3E | 1.55:1 | Fails | Lc 0.0 | Not readable |
| #282E3E text on white | 13.54:1 | AAA | Lc 100.0 | Preferred for body text |
| #282E3E text on black | 1.55:1 | 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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E7EAF1
oklch(93.7% 0.01 267.4)
-
Step 200
200
#D3D9E7
oklch(88.5% 0.02 267.3)
-
Step 300
300
#B7C0D9
oklch(80.9% 0.037 269.8)
-
Step 400
400
#91A0C5
oklch(70.7% 0.057 267.7)
-
Step 500
500
#7788B7
oklch(63.1% 0.074 268.9)
-
Step 600
600
#6071A2
oklch(55.5% 0.079 269.1)
-
Step 700
700
#4F5F8B
oklch(49.1% 0.074 268.3)
-
Step 800
800
#414E71
oklch(42.8% 0.061 268.2)
-
Step 900
900
#37415B
oklch(37.8% 0.047 267.9)
-
Step 950
950 (this color)
#282E3E
oklch(30.3% 0.03 268.6)
#282E3E 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) | #292F3F | 0.004 |
| Deuteranopia (no green cones) | #272D3E | 0.004 |
| Tritanopia (no blue cones) | #223133 | 0.028 |
| Achromatopsia (no color) | #2E2E2E | 0.030 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #282E3E
#282E3E
oklch(30.3% 0.03 268.6)
- #352E1D
#352E1D
oklch(30.4% 0.03 88.1)
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 #282E3E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.010
- Gunmetal #293241 ΔE 0.013
- Oxford Blue #1B263B ΔE 0.036
- Dark Blue Grey #1F3B4D ΔE 0.044
- Dark #1B2431 ΔE 0.045
- Jet #212529 ΔE 0.046
- Prussian Blue #1D3557 ΔE 0.046
- Onyx #343A40 ΔE 0.046
Use #282E3E 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.