#283149
Closest named color: Space Cadet (#2B2D42). oklch(31.6% 0.045 268), rgb(40, 49, 73).
Aa
White text reads best on this color (12.91:1).
About this color
#283149 is a dark, muted blue. In OKLCH its lightness is 32%, its chroma 0.045 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.016 away. White text reads best on it, at 12.91:1.
| Hue family | Blues |
| Lightness | dark (32%) |
| Chroma | muted (0.045) |
| Temperature | cool |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.62:1 |
| White text | 12.91:1 |
Values
| HEX | #283149 |
| RGB | rgb(40, 49, 73) |
| HSL | hsl(224, 29%, 22%) |
| OKLCH | oklch(31.6% 0.045 268) |
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 #283149 | 12.91:1 | AAA | Lc -102.4 | Preferred for body text |
| Black text on #283149 | 1.62:1 | Fails | Lc 0.0 | Not readable |
| #283149 text on white | 12.91:1 | AAA | Lc 99.1 | Preferred for body text |
| #283149 text on black | 1.62:1 | 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
#F3F5FA
oklch(97% 0.007 268.5)
-
Step 100
100
#E5EAF5
oklch(93.6% 0.016 266.3)
-
Step 200
200
#D1D9ED
oklch(88.5% 0.029 268.3)
-
Step 300
300
#B2C0E4
oklch(80.9% 0.053 268.5)
-
Step 400
400
#8A9FD6
oklch(70.7% 0.084 268.1)
-
Step 500
500
#6D86CC
oklch(63.1% 0.11 268.2)
-
Step 600
600
#566FB8
oklch(55.6% 0.117 268.2)
-
Step 700
700
#465D9F
oklch(49.2% 0.109 267.8)
-
Step 800
800
#3A4C81
oklch(42.8% 0.091 268.2)
-
Step 900
900
#314067
oklch(37.8% 0.07 267.1)
-
Step 950
950 (this color)
#283149
oklch(31.6% 0.045 268)
#283149 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) | #29334A | 0.007 |
| Deuteranopia (no green cones) | #263048 | 0.005 |
| Tritanopia (no blue cones) | #1D3639 | 0.041 |
| Achromatopsia (no color) | #313131 | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #283149
#283149
oklch(31.6% 0.045 268)
- #3B3115
#3B3115
oklch(31.7% 0.045 90)
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 #283149, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.016
- Gunmetal #293241 ΔE 0.016
- Prussian Blue #1D3557 ΔE 0.028
- Dark Blue Grey #1F3B4D ΔE 0.032
- Midnight Green #073B4C ΔE 0.042
- Onyx #343A40 ΔE 0.044
- Oxford Blue #1B263B ΔE 0.047
- Marine #042E60 ΔE 0.057
Use #283149 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.