#281D3E
Closest named color: Oxford Blue (#1B263B). oklch(26.2% 0.061 297.4), rgb(40, 29, 62).
Aa
White text reads best on this color (15.72:1).
About this color
#281D3E is a dark, muted purple. In OKLCH its lightness is 26%, its chroma 0.061 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 0.036 away. White text reads best on it, at 15.72:1.
| Hue family | Purples |
| Lightness | dark (26%) |
| Chroma | muted (0.061) |
| Temperature | in between |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.33:1 |
| White text | 15.72:1 |
Values
| HEX | #281D3E |
| RGB | rgb(40, 29, 62) |
| HSL | hsl(260, 36%, 18%) |
| OKLCH | oklch(26.2% 0.061 297.4) |
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 #281D3E | 15.72:1 | AAA | Lc -105.2 | Preferred for body text |
| Black text on #281D3E | 1.33:1 | Fails | Lc 0.0 | Not readable |
| #281D3E text on white | 15.72:1 | AAA | Lc 102.6 | Preferred for body text |
| #281D3E text on black | 1.33:1 | 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
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#EBE7F7
oklch(93.6% 0.022 297.4)
-
Step 200
200
#DCD4F1
oklch(88.5% 0.04 298.2)
-
Step 300
300
#C5B7EA
oklch(80.8% 0.072 297.3)
-
Step 400
400
#A991E0
oklch(70.8% 0.115 297.3)
-
Step 500
500
#9473D7
oklch(63.1% 0.148 297.2)
-
Step 600
600
#7F59C4
oklch(55.5% 0.161 297.3)
-
Step 700
700
#6C49A9
oklch(49.2% 0.149 297.5)
-
Step 800
800
#583C89
oklch(42.7% 0.124 297.7)
-
Step 900
900
#48346E
oklch(37.7% 0.097 297.4)
-
Step 950
950 (this color)
#281D3E
oklch(26.2% 0.061 297.4)
#281D3E 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) | #13233F | 0.037 |
| Deuteranopia (no green cones) | #15233D | 0.036 |
| Tritanopia (no blue cones) | #23232A | 0.048 |
| Achromatopsia (no color) | #232323 | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #281D3E
#281D3E
oklch(26.2% 0.061 297.4)
- #222800
#222800
oklch(26.2% 0.061 118)
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 #281D3E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.036
- Dark #1B2431 ΔE 0.044
- Space Cadet #2B2D42 ΔE 0.051
- Jet #212529 ΔE 0.055
- Dark Purple #35063E ΔE 0.057
- Eggplant #380835 ΔE 0.058
- Rich Black #0D1B2A ΔE 0.063
- Aubergine #3D0734 ΔE 0.064
Use #281D3E 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.