#281836
Closest named color: Oxford Blue (#1B263B). oklch(24.6% 0.058 307.2), rgb(40, 24, 54).
Aa
White text reads best on this color (16.48:1).
About this color
#281836 is a very dark, muted purple. In OKLCH its lightness is 25%, its chroma 0.058 and its hue 307°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.047 away. White text reads best on it, at 16.48:1.
| Hue family | Purples |
| Lightness | very dark (25%) |
| Chroma | muted (0.058) |
| Temperature | in between |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.27:1 |
| White text | 16.48:1 |
Values
| HEX | #281836 |
| RGB | rgb(40, 24, 54) |
| HSL | hsl(272, 38%, 15%) |
| OKLCH | oklch(24.6% 0.058 307.2) |
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 #281836 | 16.48:1 | AAA | Lc -105.8 | Preferred for body text |
| Black text on #281836 | 1.27:1 | Fails | Lc 0.0 | Not readable |
| #281836 text on white | 16.48:1 | AAA | Lc 103.3 | Preferred for body text |
| #281836 text on black | 1.27:1 | 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
#F7F4FA
oklch(97.1% 0.009 308.4)
-
Step 100
100
#EDE7F5
oklch(93.7% 0.02 305.3)
-
Step 200
200
#E0D3ED
oklch(88.5% 0.038 308)
-
Step 300
300
#CCB5E4
oklch(80.8% 0.07 307)
-
Step 400
400
#B38ED6
oklch(70.7% 0.11 307.3)
-
Step 500
500
#A070CB
oklch(63.1% 0.141 307.1)
-
Step 600
600
#8B56B8
oklch(55.5% 0.154 307.1)
-
Step 700
700
#76469F
oklch(49.1% 0.143 306.8)
-
Step 800
800
#603A81
oklch(42.7% 0.119 306.8)
-
Step 900
900
#4F3267
oklch(37.7% 0.093 307.8)
-
Step 950
950 (this color)
#281836
oklch(24.6% 0.058 307.2)
#281836 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) | #101E37 | 0.044 |
| Deuteranopia (no green cones) | #151F35 | 0.040 |
| Tritanopia (no blue cones) | #261D24 | 0.043 |
| Achromatopsia (no color) | #1F1F1F | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #281836
#281836
oklch(24.6% 0.058 307.2)
- #192503
#192503
oklch(24.5% 0.058 126.7)
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 #281836, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.047
- Dark #1B2431 ΔE 0.047
- Eggplant #380835 ΔE 0.048
- Dark Purple #35063E ΔE 0.050
- Very Dark Purple #2A0134 ΔE 0.056
- Aubergine #3D0734 ΔE 0.056
- Rich Black #0D1B2A ΔE 0.056
- Midnight Purple #280137 ΔE 0.057
Use #281836 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.