#282237
Closest named color: Oxford Blue (#1B263B). oklch(26.9% 0.039 296.8), rgb(40, 34, 55).
Aa
White text reads best on this color (15.28:1).
About this color
#282237 is a dark, muted purple. In OKLCH its lightness is 27%, its chroma 0.039 and its hue 297°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.024 away. White text reads best on it, at 15.28:1.
| Hue family | Purples |
| Lightness | dark (27%) |
| Chroma | muted (0.039) |
| Temperature | in between |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.37:1 |
| White text | 15.28:1 |
Values
| HEX | #282237 |
| RGB | rgb(40, 34, 55) |
| HSL | hsl(257, 24%, 17%) |
| OKLCH | oklch(26.9% 0.039 296.8) |
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 #282237 | 15.28:1 | AAA | Lc -104.9 | Preferred for body text |
| Black text on #282237 | 1.37:1 | Fails | Lc 0.0 | Not readable |
| #282237 text on white | 15.28:1 | AAA | Lc 102.2 | Preferred for body text |
| #282237 text on black | 1.37:1 | 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
#F6F5F9
oklch(97.2% 0.005 297.7)
-
Step 100
100
#EAE8F2
oklch(93.5% 0.014 295.3)
-
Step 200
200
#DAD6E9
oklch(88.5% 0.026 295.5)
-
Step 300
300
#C3BBDC
oklch(80.9% 0.047 296.4)
-
Step 400
400
#A597CA
oklch(70.7% 0.075 297)
-
Step 500
500
#8F7DBC
oklch(63.1% 0.095 296.7)
-
Step 600
600
#7A66A8
oklch(55.7% 0.102 296.9)
-
Step 700
700
#675490
oklch(49.1% 0.096 297.3)
-
Step 800
800
#544575
oklch(42.7% 0.079 297.3)
-
Step 900
900
#453A5E
oklch(37.6% 0.062 297.4)
-
Step 950
950 (this color)
#282237
oklch(26.9% 0.039 296.8)
#282237 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) | #1D2538 | 0.020 |
| Deuteranopia (no green cones) | #1E2536 | 0.020 |
| Tritanopia (no blue cones) | #25252A | 0.030 |
| Achromatopsia (no color) | #252525 | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #282237
#282237
oklch(26.9% 0.039 296.8)
- #252912
#252912
oklch(27% 0.039 117.2)
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 #282237, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.024
- Dark #1B2431 ΔE 0.027
- Jet #212529 ΔE 0.034
- Space Cadet #2B2D42 ΔE 0.038
- Gunmetal #293241 ΔE 0.052
- Rich Black #0D1B2A ΔE 0.059
- Eggplant #380835 ΔE 0.070
- Prussian Blue #1D3557 ΔE 0.074
Use #282237 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.