#281A2B
Closest named color: Dark (#1B2431). oklch(24.3% 0.037 320.4), rgb(40, 26, 43).
Aa
White text reads best on this color (16.49:1).
About this color
#281A2B is a very dark, muted purple. In OKLCH its lightness is 24%, its chroma 0.037 and its hue 320°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark (#1B2431), ΔE 0.038 away. White text reads best on it, at 16.49:1.
| Hue family | Purples |
| Lightness | very dark (24%) |
| Chroma | muted (0.037) |
| Temperature | in between |
| Nearest name | Dark (#1B2431) |
| Black text | 1.27:1 |
| White text | 16.49:1 |
Values
| HEX | #281A2B |
| RGB | rgb(40, 26, 43) |
| HSL | hsl(289, 25%, 14%) |
| OKLCH | oklch(24.3% 0.037 320.4) |
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 #281A2B | 16.49:1 | AAA | Lc -105.9 | Preferred for body text |
| Black text on #281A2B | 1.27:1 | Fails | Lc 0.0 | Not readable |
| #281A2B text on white | 16.49:1 | AAA | Lc 103.4 | Preferred for body text |
| #281A2B 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
#F7F4F8
oklch(97.1% 0.006 317.8)
-
Step 100
100
#EEE7EF
oklch(93.6% 0.013 321.9)
-
Step 200
200
#E1D4E3
oklch(88.5% 0.025 321.7)
-
Step 300
300
#CEB8D3
oklch(81% 0.044 320)
-
Step 400
400
#B593BC
oklch(70.8% 0.07 320.5)
-
Step 500
500
#A277AB
oklch(63% 0.09 320.5)
-
Step 600
600
#8D5F97
oklch(55.5% 0.099 320.3)
-
Step 700
700
#784F81
oklch(49.2% 0.091 320.2)
-
Step 800
800
#614169
oklch(42.7% 0.075 319.4)
-
Step 900
900
#503755
oklch(37.8% 0.059 320.7)
-
Step 950
950 (this color)
#281A2B
oklch(24.3% 0.037 320.4)
#281A2B 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) | #181E2C | 0.032 |
| Deuteranopia (no green cones) | #1B1F2A | 0.029 |
| Tritanopia (no blue cones) | #281C20 | 0.024 |
| Achromatopsia (no color) | #1F1F1F | 0.038 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #281A2B
#281A2B
oklch(24.3% 0.037 320.4)
- #162413
#162413
oklch(24.2% 0.037 140.1)
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 #281A2B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark #1B2431 ΔE 0.038
- Jet #212529 ΔE 0.040
- Oxford Blue #1B263B ΔE 0.047
- Rich Black #0D1B2A ΔE 0.049
- Eggplant #380835 ΔE 0.059
- Aubergine #3D0734 ΔE 0.064
- Space Cadet #2B2D42 ΔE 0.067
- Dark Purple #35063E ΔE 0.067
Use #281A2B 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.