#282F41
Closest named color: Space Cadet (#2B2D42). oklch(30.7% 0.034 267.9), rgb(40, 47, 65).
Aa
White text reads best on this color (13.34:1).
About this color
#282F41 is a dark, muted blue. In OKLCH its lightness is 31%, its chroma 0.034 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.009 away. White text reads best on it, at 13.34:1.
| Hue family | Blues |
| Lightness | dark (31%) |
| Chroma | muted (0.034) |
| Temperature | cool |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.57:1 |
| White text | 13.34:1 |
Values
| HEX | #282F41 |
| RGB | rgb(40, 47, 65) |
| HSL | hsl(223, 24%, 21%) |
| OKLCH | oklch(30.7% 0.034 267.9) |
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 #282F41 | 13.34:1 | AAA | Lc -102.9 | Preferred for body text |
| Black text on #282F41 | 1.57:1 | Fails | Lc 0.0 | Not readable |
| #282F41 text on white | 13.34:1 | AAA | Lc 99.7 | Preferred for body text |
| #282F41 text on black | 1.57:1 | 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
#E6EAF2
oklch(93.6% 0.012 264.5)
-
Step 200
200
#D3D9E8
oklch(88.5% 0.022 268.4)
-
Step 300
300
#B5C0DC
oklch(80.8% 0.041 268.5)
-
Step 400
400
#8FA0CA
oklch(70.8% 0.065 267.6)
-
Step 500
500
#7488BC
oklch(63.2% 0.082 267.8)
-
Step 600
600
#5D71A8
oklch(55.6% 0.089 268.2)
-
Step 700
700
#4C5E90
oklch(49% 0.084 268.2)
-
Step 800
800
#3F4D75
oklch(42.7% 0.069 268.7)
-
Step 900
900
#35405E
oklch(37.5% 0.054 268.3)
-
Step 950
950 (this color)
#282F41
oklch(30.7% 0.034 267.9)
#282F41 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) | #293042 | 0.004 |
| Deuteranopia (no green cones) | #272E41 | 0.004 |
| Tritanopia (no blue cones) | #213335 | 0.032 |
| Achromatopsia (no color) | #2F2F2F | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #282F41
#282F41
oklch(30.7% 0.034 267.9)
- #372F1B
#372F1B
oklch(30.8% 0.035 88.5)
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 #282F41, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.009
- Gunmetal #293241 ΔE 0.010
- Oxford Blue #1B263B ΔE 0.039
- Dark Blue Grey #1F3B4D ΔE 0.040
- Prussian Blue #1D3557 ΔE 0.041
- Onyx #343A40 ΔE 0.044
- Midnight Green #073B4C ΔE 0.046
- Dark #1B2431 ΔE 0.050
Use #282F41 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.