#282F44
Closest named color: Space Cadet (#2B2D42). oklch(30.8% 0.039 269.8), rgb(40, 47, 68).
Aa
White text reads best on this color (13.28:1).
About this color
#282F44 is a dark, muted blue. In OKLCH its lightness is 31%, its chroma 0.039 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.008 away. White text reads best on it, at 13.28:1.
| Hue family | Blues |
| Lightness | dark (31%) |
| Chroma | muted (0.039) |
| Temperature | cool |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.58:1 |
| White text | 13.28:1 |
Values
| HEX | #282F44 |
| RGB | rgb(40, 47, 68) |
| HSL | hsl(225, 26%, 21%) |
| OKLCH | oklch(30.8% 0.039 269.8) |
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 #282F44 | 13.28:1 | AAA | Lc -102.8 | Preferred for body text |
| Black text on #282F44 | 1.58:1 | Fails | Lc 0.0 | Not readable |
| #282F44 text on white | 13.28:1 | AAA | Lc 99.6 | Preferred for body text |
| #282F44 text on black | 1.58:1 | 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E6EAF3
oklch(93.7% 0.013 266.7)
-
Step 200
200
#D2D9EB
oklch(88.5% 0.026 268.8)
-
Step 300
300
#B5C0E0
oklch(81% 0.047 270.4)
-
Step 400
400
#8E9FD0
oklch(70.7% 0.075 269.6)
-
Step 500
500
#7386C3
oklch(63% 0.095 270.3)
-
Step 600
600
#5C6FB0
oklch(55.5% 0.104 270.4)
-
Step 700
700
#4B5D97
oklch(49.1% 0.096 269.6)
-
Step 800
800
#3E4C7B
oklch(42.7% 0.08 270.2)
-
Step 900
900
#354063
oklch(37.8% 0.062 270)
-
Step 950
950 (this color)
#282F44
oklch(30.8% 0.039 269.8)
#282F44 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) | #283145 | 0.006 |
| Deuteranopia (no green cones) | #262E44 | 0.005 |
| Tritanopia (no blue cones) | #203336 | 0.035 |
| Achromatopsia (no color) | #303030 | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #282F44
#282F44
oklch(30.8% 0.039 269.8)
- #382F18
#382F18
oklch(30.9% 0.039 88.7)
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 #282F44, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.008
- Gunmetal #293241 ΔE 0.013
- Prussian Blue #1D3557 ΔE 0.036
- Dark Blue Grey #1F3B4D ΔE 0.039
- Oxford Blue #1B263B ΔE 0.040
- Onyx #343A40 ΔE 0.046
- Midnight Green #073B4C ΔE 0.046
- Dark #1B2431 ΔE 0.052
Use #282F44 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.