#281F2F
Closest named color: Dark (#1B2431). oklch(25.7% 0.032 309.8), rgb(40, 31, 47).
Aa
White text reads best on this color (15.82:1).
About this color
#281F2F is a dark, muted purple. In OKLCH its lightness is 26%, its chroma 0.032 and its hue 310°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark (#1B2431), ΔE 0.027 away. White text reads best on it, at 15.82:1.
| Hue family | Purples |
| Lightness | dark (26%) |
| Chroma | muted (0.032) |
| Temperature | in between |
| Nearest name | Dark (#1B2431) |
| Black text | 1.32:1 |
| White text | 15.82:1 |
Values
| HEX | #281F2F |
| RGB | rgb(40, 31, 47) |
| HSL | hsl(274, 21%, 15%) |
| OKLCH | oklch(25.7% 0.032 309.8) |
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 #281F2F | 15.82:1 | AAA | Lc -105.4 | Preferred for body text |
| Black text on #281F2F | 1.32:1 | Fails | Lc 0.0 | Not readable |
| #281F2F text on white | 15.82:1 | AAA | Lc 102.8 | Preferred for body text |
| #281F2F text on black | 1.32:1 | 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
#F6F4F8
oklch(97% 0.006 308.4)
-
Step 100
100
#ECE8EF
oklch(93.6% 0.01 311.2)
-
Step 200
200
#DDD6E4
oklch(88.6% 0.02 308.2)
-
Step 300
300
#C8BAD3
oklch(80.8% 0.038 310.4)
-
Step 400
400
#AC97BD
oklch(70.8% 0.059 309.8)
-
Step 500
500
#987CAD
oklch(63% 0.079 310.2)
-
Step 600
600
#826598
oklch(55.5% 0.084 309.8)
-
Step 700
700
#6E5482
oklch(49.1% 0.078 309.6)
-
Step 800
800
#5A456A
oklch(42.8% 0.065 309.8)
-
Step 900
900
#4A3A56
oklch(37.7% 0.051 310.1)
-
Step 950
950 (this color)
#281F2F
oklch(25.7% 0.032 309.8)
#281F2F 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) | #1C2230 | 0.023 |
| Deuteranopia (no green cones) | #1E232F | 0.022 |
| Tritanopia (no blue cones) | #272125 | 0.023 |
| Achromatopsia (no color) | #222222 | 0.032 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #281F2F
#281F2F
oklch(25.7% 0.032 309.8)
- #1E2616
#1E2616
oklch(25.6% 0.031 129.9)
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 #281F2F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark #1B2431 ΔE 0.027
- Jet #212529 ΔE 0.029
- Oxford Blue #1B263B ΔE 0.033
- Space Cadet #2B2D42 ΔE 0.051
- Rich Black #0D1B2A ΔE 0.052
- Gunmetal #293241 ΔE 0.064
- Eggplant #380835 ΔE 0.067
- Aubergine #3D0734 ΔE 0.072
Use #281F2F 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.