#281F23
Closest named color: Jet (#212529). oklch(25.1% 0.016 349.7), rgb(40, 31, 35).
Aa
White text reads best on this color (16.02:1).
About this color
#281F23 is a dark close to neutral grey. In OKLCH its lightness is 25%, its chroma 0.016. It has too little chroma to lean warm or cool. The nearest named color is Jet (#212529), ΔE 0.022 away. White text reads best on it, at 16.02:1.
| Hue family | Neutrals |
| Lightness | dark (25%) |
| Chroma | close to neutral grey (0.016) |
| Temperature | neutral |
| Nearest name | Jet (#212529) |
| Black text | 1.31:1 |
| White text | 16.02:1 |
Values
| HEX | #281F23 |
| RGB | rgb(40, 31, 35) |
| HSL | hsl(333, 13%, 14%) |
| OKLCH | oklch(25.1% 0.016 349.7) |
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 #281F23 | 16.02:1 | AAA | Lc -105.5 | Preferred for body text |
| Black text on #281F23 | 1.31:1 | Fails | Lc 0.0 | Not readable |
| #281F23 text on white | 16.02:1 | AAA | Lc 103.0 | Preferred for body text |
| #281F23 text on black | 1.31:1 | 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
#F7F5F6
oklch(97.2% 0.002 345.2)
-
Step 100
100
#EDE8EA
oklch(93.5% 0.006 350.8)
-
Step 200
200
#DFD6DA
oklch(88.4% 0.011 348.5)
-
Step 300
300
#CBBCC2
oklch(80.9% 0.019 351.3)
-
Step 400
400
#B099A3
oklch(70.6% 0.03 349.8)
-
Step 500
500
#9C818D
oklch(63.2% 0.037 349.7)
-
Step 600
600
#876A77
oklch(55.7% 0.041 349.8)
-
Step 700
700
#725864
oklch(49.1% 0.038 349.2)
-
Step 800
800
#5D4851
oklch(42.7% 0.032 351)
-
Step 900
900
#4C3C43
oklch(37.6% 0.025 350.3)
-
Step 950
950 (this color)
#281F23
oklch(25.1% 0.016 349.7)
#281F23 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) | #202123 | 0.016 |
| Deuteranopia (no green cones) | #222223 | 0.015 |
| Tritanopia (no blue cones) | #291F20 | 0.006 |
| Achromatopsia (no color) | #212121 | 0.016 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #281F23
#281F23
oklch(25.1% 0.016 349.7)
- #1B2421
#1B2421
oklch(25% 0.014 172.8)
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 #281F23, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.022
- Dark #1B2431 ΔE 0.033
- Oxford Blue #1B263B ΔE 0.048
- Dark Brown #341C02 ΔE 0.052
- Rich Black #0D1B2A ΔE 0.053
- Space Cadet #2B2D42 ΔE 0.064
- Chocolate Brown #411900 ΔE 0.068
- Gunmetal #293241 ΔE 0.072
Use #281F23 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.