#211C33
Closest named color: Dark (#1B2431). oklch(24.4% 0.043 292.9), rgb(33, 28, 51).
Aa
White text reads best on this color (16.42:1).
About this color
#211C33 is a very dark, muted purple. In OKLCH its lightness is 24%, its chroma 0.043 and its hue 293°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark (#1B2431), ΔE 0.030 away. White text reads best on it, at 16.42:1.
| Hue family | Purples |
| Lightness | very dark (24%) |
| Chroma | muted (0.043) |
| Temperature | in between |
| Nearest name | Dark (#1B2431) |
| Black text | 1.27:1 |
| White text | 16.42:1 |
Values
| HEX | #211C33 |
| RGB | rgb(33, 28, 51) |
| HSL | hsl(253, 29%, 15%) |
| OKLCH | oklch(24.4% 0.043 292.9) |
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 #211C33 | 16.42:1 | AAA | Lc -105.8 | Preferred for body text |
| Black text on #211C33 | 1.27:1 | Fails | Lc 0.0 | Not readable |
| #211C33 text on white | 16.42:1 | AAA | Lc 103.3 | Preferred for body text |
| #211C33 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
#F5F5FA
oklch(97.2% 0.007 286.3)
-
Step 100
100
#EAE8F3
oklch(93.6% 0.015 294.5)
-
Step 200
200
#D9D6EB
oklch(88.5% 0.029 292.4)
-
Step 300
300
#C1BBE0
oklch(80.9% 0.052 292.6)
-
Step 400
400
#A297D0
oklch(70.7% 0.083 293)
-
Step 500
500
#8C7DC3
oklch(63.1% 0.104 293)
-
Step 600
600
#7665B0
oklch(55.6% 0.115 292.7)
-
Step 700
700
#635497
oklch(49.1% 0.105 292.4)
-
Step 800
800
#51457B
oklch(42.8% 0.088 292.5)
-
Step 900
900
#433A63
oklch(37.7% 0.069 292.9)
-
Step 950
950 (this color)
#211C33
oklch(24.4% 0.043 292.9)
#211C33 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) | #152034 | 0.023 |
| Deuteranopia (no green cones) | #161F32 | 0.021 |
| Tritanopia (no blue cones) | #1D2025 | 0.035 |
| Achromatopsia (no color) | #1F1F1F | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #211C33
#211C33
oklch(24.4% 0.043 292.9)
- #202207
#202207
oklch(24.3% 0.044 113.1)
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 #211C33, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark #1B2431 ΔE 0.030
- Oxford Blue #1B263B ΔE 0.034
- Rich Black #0D1B2A ΔE 0.039
- Jet #212529 ΔE 0.041
- Space Cadet #2B2D42 ΔE 0.062
- Eggplant #380835 ΔE 0.066
- Dark Purple #35063E ΔE 0.069
- Very Dark Purple #2A0134 ΔE 0.071
Use #211C33 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.