#281D2B
Closest named color: Dark (#1B2431). oklch(25% 0.03 318.9), rgb(40, 29, 43).
Aa
White text reads best on this color (16.14:1).
About this color
#281D2B is a dark, muted purple. In OKLCH its lightness is 25%, its chroma 0.030 and its hue 319°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark (#1B2431), ΔE 0.031 away. White text reads best on it, at 16.14:1.
| Hue family | Purples |
| Lightness | dark (25%) |
| Chroma | muted (0.030) |
| Temperature | in between |
| Nearest name | Dark (#1B2431) |
| Black text | 1.30:1 |
| White text | 16.14:1 |
Values
| HEX | #281D2B |
| RGB | rgb(40, 29, 43) |
| HSL | hsl(287, 19%, 14%) |
| OKLCH | oklch(25% 0.03 318.9) |
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 #281D2B | 16.14:1 | AAA | Lc -105.6 | Preferred for body text |
| Black text on #281D2B | 1.30:1 | Fails | Lc 0.0 | Not readable |
| #281D2B text on white | 16.14:1 | AAA | Lc 103.1 | Preferred for body text |
| #281D2B text on black | 1.30:1 | 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
#F7F4F7
oklch(97% 0.005 325.6)
-
Step 100
100
#EDE8EE
oklch(93.7% 0.01 320.5)
-
Step 200
200
#DFD5E2
oklch(88.5% 0.021 318.4)
-
Step 300
300
#CBBAD0
oklch(81% 0.036 318.5)
-
Step 400
400
#B096B8
oklch(70.8% 0.057 318.2)
-
Step 500
500
#9D7BA6
oklch(63% 0.074 319.1)
-
Step 600
600
#886491
oklch(55.6% 0.08 319.5)
-
Step 700
700
#73537C
oklch(49.2% 0.074 318.7)
-
Step 800
800
#5E4465
oklch(42.8% 0.062 319)
-
Step 900
900
#4D3952
oklch(37.7% 0.049 319.5)
-
Step 950
950 (this color)
#281D2B
oklch(25% 0.03 318.9)
#281D2B 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) | #1B202C | 0.025 |
| Deuteranopia (no green cones) | #1E212B | 0.022 |
| Tritanopia (no blue cones) | #281E22 | 0.019 |
| Achromatopsia (no color) | #212121 | 0.030 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #281D2B
#281D2B
oklch(25% 0.03 318.9)
- #1A2517
#1A2517
oklch(24.9% 0.03 139)
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 #281D2B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark #1B2431 ΔE 0.031
- Jet #212529 ΔE 0.031
- Oxford Blue #1B263B ΔE 0.041
- Rich Black #0D1B2A ΔE 0.049
- Space Cadet #2B2D42 ΔE 0.060
- Eggplant #380835 ΔE 0.066
- Dark Brown #341C02 ΔE 0.069
- Aubergine #3D0734 ΔE 0.070
Use #281D2B 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.