#281F2B
Closest named color: Jet (#212529). oklch(25.5% 0.026 317.6), rgb(40, 31, 43).
Aa
White text reads best on this color (15.89:1).
About this color
#281F2B is a dark close to neutral grey. In OKLCH its lightness is 26%, its chroma 0.026. It has too little chroma to lean warm or cool. The nearest named color is Jet (#212529), ΔE 0.025 away. White text reads best on it, at 15.89:1.
| Hue family | Neutrals |
| Lightness | dark (26%) |
| Chroma | close to neutral grey (0.026) |
| Temperature | neutral |
| Nearest name | Jet (#212529) |
| Black text | 1.32:1 |
| White text | 15.89:1 |
Values
| HEX | #281F2B |
| RGB | rgb(40, 31, 43) |
| HSL | hsl(285, 16%, 15%) |
| OKLCH | oklch(25.5% 0.026 317.6) |
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 #281F2B | 15.89:1 | AAA | Lc -105.4 | Preferred for body text |
| Black text on #281F2B | 1.32:1 | Fails | Lc 0.0 | Not readable |
| #281F2B text on white | 15.89:1 | AAA | Lc 102.8 | Preferred for body text |
| #281F2B 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
#F6F5F7
oklch(97.1% 0.003 308.4)
-
Step 100
100
#ECE8EE
oklch(93.6% 0.009 314.8)
-
Step 200
200
#DED6E1
oklch(88.6% 0.017 316.9)
-
Step 300
300
#C9BBCE
oklch(80.9% 0.03 317.2)
-
Step 400
400
#AD98B5
oklch(70.8% 0.048 316.7)
-
Step 500
500
#997EA2
oklch(63.1% 0.061 317.6)
-
Step 600
600
#84678D
oklch(55.6% 0.067 318.1)
-
Step 700
700
#705578
oklch(49.1% 0.064 318.4)
-
Step 800
800
#5B4662
oklch(42.7% 0.052 317.6)
-
Step 900
900
#4B3B50
oklch(37.8% 0.041 318)
-
Step 950
950 (this color)
#281F2B
oklch(25.5% 0.026 317.6)
#281F2B 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) | #1E222C | 0.020 |
| Deuteranopia (no green cones) | #20222B | 0.017 |
| Tritanopia (no blue cones) | #282023 | 0.017 |
| Achromatopsia (no color) | #222222 | 0.026 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #281F2B
#281F2B
oklch(25.5% 0.026 317.6)
- #1D261A
#1D261A
oklch(25.6% 0.025 138)
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 #281F2B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.025
- Dark #1B2431 ΔE 0.027
- Oxford Blue #1B263B ΔE 0.037
- Rich Black #0D1B2A ΔE 0.051
- Space Cadet #2B2D42 ΔE 0.055
- Gunmetal #293241 ΔE 0.066
- Dark Brown #341C02 ΔE 0.066
- Eggplant #380835 ΔE 0.071
Use #281F2B 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.