#211F2A
Closest named color: Dark (#1B2431). oklch(24.6% 0.021 293.1), rgb(33, 31, 42).
Aa
White text reads best on this color (16.22:1).
About this color
#211F2A is a very dark close to neutral grey. In OKLCH its lightness is 25%, its chroma 0.021. It has too little chroma to lean warm or cool. The nearest named color is Dark (#1B2431), ΔE 0.020 away. White text reads best on it, at 16.22:1.
| Hue family | Neutrals |
| Lightness | very dark (25%) |
| Chroma | close to neutral grey (0.021) |
| Temperature | neutral |
| Nearest name | Dark (#1B2431) |
| Black text | 1.29:1 |
| White text | 16.22:1 |
Values
| HEX | #211F2A |
| RGB | rgb(33, 31, 42) |
| HSL | hsl(251, 15%, 14%) |
| OKLCH | oklch(24.6% 0.021 293.1) |
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 #211F2A | 16.22:1 | AAA | Lc -105.7 | Preferred for body text |
| Black text on #211F2A | 1.29:1 | Fails | Lc 0.0 | Not readable |
| #211F2A text on white | 16.22:1 | AAA | Lc 103.2 | Preferred for body text |
| #211F2A text on black | 1.29:1 | 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
#F5F5F7
oklch(97.1% 0.003 286.4)
-
Step 100
100
#EAE9EE
oklch(93.6% 0.007 295.4)
-
Step 200
200
#D9D8E2
oklch(88.6% 0.014 290.7)
-
Step 300
300
#C1BED0
oklch(80.9% 0.025 293.5)
-
Step 400
400
#A19CB8
oklch(70.6% 0.041 293.5)
-
Step 500
500
#8A84A6
oklch(63.1% 0.051 293)
-
Step 600
600
#746E91
oklch(55.7% 0.054 292.4)
-
Step 700
700
#625B7B
oklch(49% 0.051 294.5)
-
Step 800
800
#504B64
oklch(42.8% 0.041 293.7)
-
Step 900
900
#423E52
oklch(37.6% 0.034 293.9)
-
Step 950
950 (this color)
#211F2A
oklch(24.6% 0.021 293.1)
#211F2A 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) | #1D202A | 0.008 |
| Deuteranopia (no green cones) | #1D202A | 0.008 |
| Tritanopia (no blue cones) | #1F2123 | 0.018 |
| Achromatopsia (no color) | #202020 | 0.021 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #211F2A
#211F2A
oklch(24.6% 0.021 293.1)
- #212216
#212216
oklch(24.7% 0.022 111.8)
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 #211F2A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark #1B2431 ΔE 0.020
- Jet #212529 ΔE 0.022
- Oxford Blue #1B263B ΔE 0.035
- Rich Black #0D1B2A ΔE 0.038
- Space Cadet #2B2D42 ΔE 0.061
- Dark Brown #341C02 ΔE 0.070
- Gunmetal #293241 ΔE 0.071
- Eggplant #380835 ΔE 0.080
Use #211F2A 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.