#211B24
Closest named color: Jet (#212529). oklch(23.3% 0.019 314.4), rgb(33, 27, 36).
Aa
White text reads best on this color (16.84:1).
About this color
#211B24 is a very dark close to neutral grey. In OKLCH its lightness is 23%, its chroma 0.019. It has too little chroma to lean warm or cool. The nearest named color is Jet (#212529), ΔE 0.034 away. White text reads best on it, at 16.84:1.
| Hue family | Neutrals |
| Lightness | very dark (23%) |
| Chroma | close to neutral grey (0.019) |
| Temperature | neutral |
| Nearest name | Jet (#212529) |
| Black text | 1.24:1 |
| White text | 16.84:1 |
Values
| HEX | #211B24 |
| RGB | rgb(33, 27, 36) |
| HSL | hsl(280, 14%, 12%) |
| OKLCH | oklch(23.3% 0.019 314.4) |
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 #211B24 | 16.84:1 | AAA | Lc -106.2 | Preferred for body text |
| Black text on #211B24 | 1.24:1 | Fails | Lc 0.0 | Not readable |
| #211B24 text on white | 16.84:1 | AAA | Lc 103.8 | Preferred for body text |
| #211B24 text on black | 1.24:1 | 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
#EBE9ED
oklch(93.7% 0.006 308.4)
-
Step 200
200
#DCD7DF
oklch(88.5% 0.012 313.2)
-
Step 300
300
#C6BCCB
oklch(80.8% 0.023 314.7)
-
Step 400
400
#A99AB1
oklch(70.7% 0.037 314)
-
Step 500
500
#94819D
oklch(63% 0.047 314.9)
-
Step 600
600
#7E6B88
oklch(55.6% 0.049 313.9)
-
Step 700
700
#6B5973
oklch(49.1% 0.046 315.4)
-
Step 800
800
#57495E
oklch(42.8% 0.038 314.4)
-
Step 900
900
#483D4D
oklch(37.8% 0.03 315.3)
-
Step 950
950 (this color)
#211B24
oklch(23.3% 0.019 314.4)
#211B24 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) | #1A1D24 | 0.014 |
| Deuteranopia (no green cones) | #1B1D24 | 0.013 |
| Tritanopia (no blue cones) | #211C1E | 0.013 |
| Achromatopsia (no color) | #1D1D1D | 0.019 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #211B24
#211B24
oklch(23.3% 0.019 314.4)
- #1A2017
#1A2017
oklch(23.4% 0.019 135.3)
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 #211B24, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.034
- Dark #1B2431 ΔE 0.034
- Rich Black #0D1B2A ΔE 0.035
- Oxford Blue #1B263B ΔE 0.050
- Dark Brown #341C02 ΔE 0.067
- Rich Navy #001219 ΔE 0.074
- Space Cadet #2B2D42 ΔE 0.076
- Eggplant #380835 ΔE 0.078
Use #211B24 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.