#281C1F
Closest named color: Jet (#212529). oklch(24.2% 0.02 2.1), rgb(40, 28, 31).
Aa
White text reads best on this color (16.45:1).
About this color
#281C1F is a very dark close to neutral grey. In OKLCH its lightness is 24%, its chroma 0.020. It has too little chroma to lean warm or cool. The nearest named color is Jet (#212529), ΔE 0.032 away. White text reads best on it, at 16.45:1.
| Hue family | Neutrals |
| Lightness | very dark (24%) |
| Chroma | close to neutral grey (0.020) |
| Temperature | neutral |
| Nearest name | Jet (#212529) |
| Black text | 1.27:1 |
| White text | 16.45:1 |
Values
| HEX | #281C1F |
| RGB | rgb(40, 28, 31) |
| HSL | hsl(345, 18%, 13%) |
| OKLCH | oklch(24.2% 0.02 2.1) |
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 #281C1F | 16.45:1 | AAA | Lc -105.9 | Preferred for body text |
| Black text on #281C1F | 1.27:1 | Fails | Lc 0.0 | Not readable |
| #281C1F text on white | 16.45:1 | AAA | Lc 103.4 | Preferred for body text |
| #281C1F 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
#F7F5F5
oklch(97.2% 0.002 17.2)
-
Step 100
100
#EEE8E9
oklch(93.6% 0.007 5.6)
-
Step 200
200
#E1D6D8
oklch(88.5% 0.012 4.8)
-
Step 300
300
#CEBBBF
oklch(80.9% 0.022 3.2)
-
Step 400
400
#B5979F
oklch(70.6% 0.037 0.2)
-
Step 500
500
#A37E87
oklch(63.1% 0.047 2.3)
-
Step 600
600
#8E6771
oklch(55.7% 0.052 2)
-
Step 700
700
#78555E
oklch(49% 0.048 2.1)
-
Step 800
800
#62464D
oklch(42.7% 0.04 2.4)
-
Step 900
900
#503B40
oklch(37.7% 0.031 2.8)
-
Step 950
950 (this color)
#281C1F
oklch(24.2% 0.02 2.1)
#281C1F 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) | #1E1E1F | 0.020 |
| Deuteranopia (no green cones) | #20201F | 0.020 |
| Tritanopia (no blue cones) | #2A1B1D | 0.005 |
| Achromatopsia (no color) | #1F1F1F | 0.020 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #281C1F
#281C1F
oklch(24.2% 0.02 2.1)
- #152320
#152320
oklch(24.2% 0.02 179.7)
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 #281C1F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.032
- Dark #1B2431 ΔE 0.041
- Dark Brown #341C02 ΔE 0.050
- Rich Black #0D1B2A ΔE 0.052
- Oxford Blue #1B263B ΔE 0.056
- Chocolate Brown #411900 ΔE 0.066
- Dark Maroon #3C0008 ΔE 0.074
- Space Cadet #2B2D42 ΔE 0.074
Use #281C1F 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.