#28212D
Closest named color: Jet (#212529). oklch(26.1% 0.024 311), rgb(40, 33, 45).
Aa
White text reads best on this color (15.60:1).
About this color
#28212D is a dark close to neutral grey. In OKLCH its lightness is 26%, its chroma 0.024. 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 15.60:1.
| Hue family | Neutrals |
| Lightness | dark (26%) |
| Chroma | close to neutral grey (0.024) |
| Temperature | neutral |
| Nearest name | Jet (#212529) |
| Black text | 1.34:1 |
| White text | 15.60:1 |
Values
| HEX | #28212D |
| RGB | rgb(40, 33, 45) |
| HSL | hsl(275, 15%, 15%) |
| OKLCH | oklch(26.1% 0.024 311) |
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 #28212D | 15.60:1 | AAA | Lc -105.2 | Preferred for body text |
| Black text on #28212D | 1.34:1 | Fails | Lc 0.0 | Not readable |
| #28212D text on white | 15.60:1 | AAA | Lc 102.5 | Preferred for body text |
| #28212D text on black | 1.34:1 | 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
#EBE8EE
oklch(93.5% 0.009 308.4)
-
Step 200
200
#DCD6E1
oklch(88.4% 0.016 310.1)
-
Step 300
300
#C7BCCF
oklch(81% 0.029 311.3)
-
Step 400
400
#AA99B6
oklch(70.7% 0.046 311.3)
-
Step 500
500
#9580A4
oklch(63.2% 0.058 311)
-
Step 600
600
#7F698F
oklch(55.6% 0.063 310.6)
-
Step 700
700
#6C577A
oklch(49.1% 0.06 311.4)
-
Step 800
800
#584763
oklch(42.7% 0.05 311.8)
-
Step 900
900
#483C51
oklch(37.7% 0.038 310.4)
-
Step 950
950 (this color)
#28212D
oklch(26.1% 0.024 311)
#28212D 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) | #1F232E | 0.017 |
| Deuteranopia (no green cones) | #21242D | 0.016 |
| Tritanopia (no blue cones) | #282225 | 0.017 |
| Achromatopsia (no color) | #242424 | 0.024 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28212D
#28212D
oklch(26.1% 0.024 311)
- #20271A
#20271A
oklch(26.1% 0.025 131)
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 #28212D, 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 0.024
- Oxford Blue #1B263B ΔE 0.033
- Space Cadet #2B2D42 ΔE 0.049
- Rich Black #0D1B2A ΔE 0.053
- Gunmetal #293241 ΔE 0.059
- Dark Brown #341C02 ΔE 0.068
- Eggplant #380835 ΔE 0.074
Use #28212D 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.