#282A3E
Closest named color: Space Cadet (#2B2D42). oklch(29.2% 0.037 279.5), rgb(40, 42, 62).
Aa
White text reads best on this color (14.08:1).
About this color
#282A3E is a dark, muted blue. In OKLCH its lightness is 29%, its chroma 0.037 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.013 away. White text reads best on it, at 14.08:1.
| Hue family | Blues |
| Lightness | dark (29%) |
| Chroma | muted (0.037) |
| Temperature | cool |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.49:1 |
| White text | 14.08:1 |
Values
| HEX | #282A3E |
| RGB | rgb(40, 42, 62) |
| HSL | hsl(235, 22%, 20%) |
| OKLCH | oklch(29.2% 0.037 279.5) |
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 #282A3E | 14.08:1 | AAA | Lc -103.7 | Preferred for body text |
| Black text on #282A3E | 1.49:1 | Fails | Lc 0.0 | Not readable |
| #282A3E text on white | 14.08:1 | AAA | Lc 100.8 | Preferred for body text |
| #282A3E 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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E8E9F2
oklch(93.6% 0.012 281.1)
-
Step 200
200
#D5D8E9
oklch(88.5% 0.023 277.9)
-
Step 300
300
#BABEDD
oklch(80.8% 0.044 279.6)
-
Step 400
400
#979CCC
oklch(70.6% 0.07 279.8)
-
Step 500
500
#7E84BE
oklch(63.1% 0.087 279)
-
Step 600
600
#686DAB
oklch(55.7% 0.096 279.3)
-
Step 700
700
#565A92
oklch(48.9% 0.089 279.4)
-
Step 800
800
#474A77
oklch(42.7% 0.074 279.8)
-
Step 900
900
#3B3E60
oklch(37.7% 0.058 279.3)
-
Step 950
950 (this color)
#282A3E
oklch(29.2% 0.037 279.5)
#282A3E 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) | #242C3F | 0.008 |
| Deuteranopia (no green cones) | #232B3E | 0.008 |
| Tritanopia (no blue cones) | #222E31 | 0.033 |
| Achromatopsia (no color) | #2B2B2B | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #282A3E
#282A3E
oklch(29.2% 0.037 279.5)
- #302C16
#302C16
oklch(29.1% 0.036 99.2)
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 #282A3E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.013
- Gunmetal #293241 ΔE 0.026
- Oxford Blue #1B263B ΔE 0.027
- Dark #1B2431 ΔE 0.038
- Jet #212529 ΔE 0.042
- Prussian Blue #1D3557 ΔE 0.051
- Dark Blue Grey #1F3B4D ΔE 0.056
- Onyx #343A40 ΔE 0.059
Use #282A3E 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.