#282C4A
Closest named color: Space Cadet (#2B2D42). oklch(30.4% 0.054 276.9), rgb(40, 44, 74).
Aa
White text reads best on this color (13.55:1).
About this color
#282C4A is a dark, muted blue. In OKLCH its lightness is 30%, its chroma 0.054 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.017 away. White text reads best on it, at 13.55:1.
| Hue family | Blues |
| Lightness | dark (30%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.54:1 |
| White text | 13.55:1 |
Values
| HEX | #282C4A |
| RGB | rgb(40, 44, 74) |
| HSL | hsl(233, 30%, 22%) |
| OKLCH | oklch(30.4% 0.054 276.9) |
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 #282C4A | 13.55:1 | AAA | Lc -103.1 | Preferred for body text |
| Black text on #282C4A | 1.54:1 | Fails | Lc 0.0 | Not readable |
| #282C4A text on white | 13.55:1 | AAA | Lc 100.0 | Preferred for body text |
| #282C4A text on black | 1.54:1 | 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
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E6E9F7
oklch(93.6% 0.019 276.3)
-
Step 200
200
#D3D8F1
oklch(88.6% 0.035 276.7)
-
Step 300
300
#B5BEEB
oklch(81% 0.064 276)
-
Step 400
400
#909BE0
oklch(70.8% 0.102 276.5)
-
Step 500
500
#7680D8
oklch(63.1% 0.132 277)
-
Step 600
600
#6068C5
oklch(55.6% 0.142 277)
-
Step 700
700
#4F56AA
oklch(49.1% 0.132 276.8)
-
Step 800
800
#41478A
oklch(42.8% 0.11 276.9)
-
Step 900
900
#373C6E
oklch(37.7% 0.085 277.2)
-
Step 950
950 (this color)
#282C4A
oklch(30.4% 0.054 276.9)
#282C4A 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) | #22304B | 0.014 |
| Deuteranopia (no green cones) | #1F2D49 | 0.014 |
| Tritanopia (no blue cones) | #1D3237 | 0.048 |
| Achromatopsia (no color) | #2E2E2E | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #282C4A
#282C4A
oklch(30.4% 0.054 276.9)
- #372F09
#372F09
oklch(30.5% 0.055 97)
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 #282C4A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.017
- Gunmetal #293241 ΔE 0.029
- Prussian Blue #1D3557 ΔE 0.034
- Oxford Blue #1B263B ΔE 0.039
- Dark Blue Grey #1F3B4D ΔE 0.048
- Marine #042E60 ΔE 0.052
- Midnight Green #073B4C ΔE 0.055
- Dark #1B2431 ΔE 0.055
Use #282C4A 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.