#211B36
Closest named color: Dark (#1B2431). oklch(24.4% 0.051 292.4), rgb(33, 27, 54).
Aa
White text reads best on this color (16.47:1).
About this color
#211B36 is a very dark, muted purple. In OKLCH its lightness is 24%, its chroma 0.051 and its hue 292°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark (#1B2431), ΔE 0.035 away. White text reads best on it, at 16.47:1.
| Hue family | Purples |
| Lightness | very dark (24%) |
| Chroma | muted (0.051) |
| Temperature | in between |
| Nearest name | Dark (#1B2431) |
| Black text | 1.27:1 |
| White text | 16.47:1 |
Values
| HEX | #211B36 |
| RGB | rgb(33, 27, 54) |
| HSL | hsl(253, 33%, 16%) |
| OKLCH | oklch(24.4% 0.051 292.4) |
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 #211B36 | 16.47:1 | AAA | Lc -105.8 | Preferred for body text |
| Black text on #211B36 | 1.27:1 | Fails | Lc 0.0 | Not readable |
| #211B36 text on white | 16.47:1 | AAA | Lc 103.4 | Preferred for body text |
| #211B36 text on black | 1.27:1 | 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
#F5F5FB
oklch(97.2% 0.008 286.3)
-
Step 100
100
#EAE8F5
oklch(93.6% 0.018 293.1)
-
Step 200
200
#D9D6EE
oklch(88.6% 0.033 291.5)
-
Step 300
300
#C1BAE5
oklch(80.9% 0.06 292.5)
-
Step 400
400
#A295D8
oklch(70.6% 0.097 292.6)
-
Step 500
500
#8C7ACD
oklch(63.1% 0.123 292.5)
-
Step 600
600
#7762BA
oklch(55.7% 0.133 292.5)
-
Step 700
700
#6451A0
oklch(49.2% 0.123 292.3)
-
Step 800
800
#514282
oklch(42.6% 0.104 292.2)
-
Step 900
900
#433868
oklch(37.6% 0.081 292.6)
-
Step 950
950 (this color)
#211B36
oklch(24.4% 0.051 292.4)
#211B36 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) | #131F37 | 0.025 |
| Deuteranopia (no green cones) | #131F35 | 0.026 |
| Tritanopia (no blue cones) | #1C2025 | 0.042 |
| Achromatopsia (no color) | #1F1F1F | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #211B36
#211B36
oklch(24.4% 0.051 292.4)
- #212202
#212202
oklch(24.3% 0.05 111.3)
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 #211B36, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark #1B2431 ΔE 0.035
- Oxford Blue #1B263B ΔE 0.036
- Rich Black #0D1B2A ΔE 0.042
- Jet #212529 ΔE 0.048
- Space Cadet #2B2D42 ΔE 0.063
- Eggplant #380835 ΔE 0.064
- Dark Purple #35063E ΔE 0.065
- Midnight Purple #280137 ΔE 0.067
Use #211B36 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.