#21282E
Closest named color: Jet (#212529). oklch(27.3% 0.015 244.2), rgb(33, 40, 46).
Aa
White text reads best on this color (14.91:1).
About this color
#21282E is a dark close to neutral grey. In OKLCH its lightness is 27%, its chroma 0.015. It has too little chroma to lean warm or cool. The nearest named color is Jet (#212529), ΔE 0.012 away. White text reads best on it, at 14.91:1.
| Hue family | Neutrals |
| Lightness | dark (27%) |
| Chroma | close to neutral grey (0.015) |
| Temperature | neutral |
| Nearest name | Jet (#212529) |
| Black text | 1.40:1 |
| White text | 14.91:1 |
Values
| HEX | #21282E |
| RGB | rgb(33, 40, 46) |
| HSL | hsl(208, 16%, 15%) |
| OKLCH | oklch(27.3% 0.015 244.2) |
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 #21282E | 14.91:1 | AAA | Lc -104.6 | Preferred for body text |
| Black text on #21282E | 1.40:1 | Fails | Lc 0.0 | Not readable |
| #21282E text on white | 14.91:1 | AAA | Lc 101.8 | Preferred for body text |
| #21282E text on black | 1.40:1 | 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
#F4F6F7
oklch(97.2% 0.003 228.8)
-
Step 100
100
#E7EAED
oklch(93.6% 0.005 247.9)
-
Step 200
200
#D4DADF
oklch(88.5% 0.009 242.9)
-
Step 300
300
#B7C2CB
oklch(80.8% 0.018 242.5)
-
Step 400
400
#92A3B1
oklch(70.7% 0.028 242.9)
-
Step 500
500
#778C9E
oklch(63% 0.036 244.3)
-
Step 600
600
#607689
oklch(55.5% 0.039 244.6)
-
Step 700
700
#4F6374
oklch(49% 0.037 244.3)
-
Step 800
800
#41515F
oklch(42.7% 0.031 245)
-
Step 900
900
#37434D
oklch(37.6% 0.023 243.5)
-
Step 950
950 (this color)
#21282E
oklch(27.3% 0.015 244.2)
#21282E 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) | #26282E | 0.008 |
| Deuteranopia (no green cones) | #24262E | 0.008 |
| Tritanopia (no blue cones) | #1D292A | 0.012 |
| Achromatopsia (no color) | #272727 | 0.015 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
This color is close to neutral, so it has no meaningful hue to rotate. Hue harmonies are omitted.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #21282E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.012
- Dark #1B2431 ΔE 0.020
- Oxford Blue #1B263B ΔE 0.029
- Space Cadet #2B2D42 ΔE 0.042
- Gunmetal #293241 ΔE 0.046
- Rich Black #0D1B2A ΔE 0.059
- Dark Brown #341C02 ΔE 0.072
- Midnight Green #073B4C ΔE 0.072
Use #21282E 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.