#281B2A
Closest named color: Dark (#1B2431). oklch(24.5% 0.034 321.9), rgb(40, 27, 42).
Aa
White text reads best on this color (16.40:1).
About this color
#281B2A is a very dark, muted purple. In OKLCH its lightness is 25%, its chroma 0.034 and its hue 322°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark (#1B2431), ΔE 0.036 away. White text reads best on it, at 16.40:1.
| Hue family | Purples |
| Lightness | very dark (25%) |
| Chroma | muted (0.034) |
| Temperature | in between |
| Nearest name | Dark (#1B2431) |
| Black text | 1.28:1 |
| White text | 16.40:1 |
Values
| HEX | #281B2A |
| RGB | rgb(40, 27, 42) |
| HSL | hsl(292, 22%, 14%) |
| OKLCH | oklch(24.5% 0.034 321.9) |
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 #281B2A | 16.40:1 | AAA | Lc -105.8 | Preferred for body text |
| Black text on #281B2A | 1.28:1 | Fails | Lc 0.0 | Not readable |
| #281B2A text on white | 16.40:1 | AAA | Lc 103.3 | Preferred for body text |
| #281B2A text on black | 1.28:1 | 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
#F7F4F8
oklch(97.1% 0.006 317.8)
-
Step 100
100
#EEE7EE
oklch(93.5% 0.012 325.7)
-
Step 200
200
#E0D5E2
oklch(88.6% 0.021 321)
-
Step 300
300
#CDB9D0
oklch(81% 0.039 321.8)
-
Step 400
400
#B494B9
oklch(70.8% 0.064 321.8)
-
Step 500
500
#A179A7
oklch(63.1% 0.082 322)
-
Step 600
600
#8C6192
oklch(55.6% 0.089 322.4)
-
Step 700
700
#77507C
oklch(49.1% 0.083 322.7)
-
Step 800
800
#604265
oklch(42.6% 0.068 321.6)
-
Step 900
900
#4F3852
oklch(37.7% 0.053 322.6)
-
Step 950
950 (this color)
#281B2A
oklch(24.5% 0.034 321.9)
#281B2A 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) | #1A1F2B | 0.028 |
| Deuteranopia (no green cones) | #1D2029 | 0.026 |
| Tritanopia (no blue cones) | #281D20 | 0.022 |
| Achromatopsia (no color) | #1F1F1F | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #281B2A
#281B2A
oklch(24.5% 0.034 321.9)
- #172515
#172515
oklch(24.6% 0.035 141.4)
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 #281B2A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark #1B2431 ΔE 0.036
- Jet #212529 ΔE 0.036
- Oxford Blue #1B263B ΔE 0.045
- Rich Black #0D1B2A ΔE 0.048
- Eggplant #380835 ΔE 0.062
- Space Cadet #2B2D42 ΔE 0.065
- Aubergine #3D0734 ΔE 0.067
- Dark Brown #341C02 ΔE 0.070
Use #281B2A 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.