#211A3B
Closest named color: Oxford Blue (#1B263B). oklch(24.5% 0.061 290.9), rgb(33, 26, 59).
Aa
White text reads best on this color (16.46:1).
About this color
#211A3B is a very dark, muted purple. In OKLCH its lightness is 25%, its chroma 0.061 and its hue 291°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.039 away. White text reads best on it, at 16.46:1.
| Hue family | Purples |
| Lightness | very dark (25%) |
| Chroma | muted (0.061) |
| Temperature | in between |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.27:1 |
| White text | 16.46:1 |
Values
| HEX | #211A3B |
| RGB | rgb(33, 26, 59) |
| HSL | hsl(253, 39%, 17%) |
| OKLCH | oklch(24.5% 0.061 290.9) |
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 #211A3B | 16.46:1 | AAA | Lc -105.8 | Preferred for body text |
| Black text on #211A3B | 1.27:1 | Fails | Lc 0.0 | Not readable |
| #211A3B text on white | 16.46:1 | AAA | Lc 103.3 | Preferred for body text |
| #211A3B 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
#F5F4FC
oklch(97% 0.011 292)
-
Step 100
100
#E9E8F7
oklch(93.6% 0.02 289.1)
-
Step 200
200
#D9D5F2
oklch(88.5% 0.04 291.9)
-
Step 300
300
#C0B9ED
oklch(80.9% 0.073 290.8)
-
Step 400
400
#A193E3
oklch(70.7% 0.116 291.2)
-
Step 500
500
#8B76DB
oklch(63% 0.148 291.1)
-
Step 600
600
#765DC9
oklch(55.6% 0.161 290.9)
-
Step 700
700
#634CAE
oklch(49.1% 0.15 290.6)
-
Step 800
800
#513F8D
oklch(42.8% 0.124 290.8)
-
Step 900
900
#433670
oklch(37.7% 0.096 291.4)
-
Step 950
950 (this color)
#211A3B
oklch(24.5% 0.061 290.9)
#211A3B 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) | #0E203C | 0.033 |
| Deuteranopia (no green cones) | #0E1E3A | 0.032 |
| Tritanopia (no blue cones) | #1A2127 | 0.052 |
| Achromatopsia (no color) | #1F1F1F | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #211A3B
#211A3B
oklch(24.5% 0.061 290.9)
- #222200
#222200
oklch(24.4% 0.053 109.8)
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 #211A3B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.039
- Dark #1B2431 ΔE 0.043
- Rich Black #0D1B2A ΔE 0.049
- Jet #212529 ΔE 0.057
- Dark Purple #35063E ΔE 0.060
- Dark Indigo #1F0954 ΔE 0.061
- Midnight Purple #280137 ΔE 0.062
- Eggplant #380835 ΔE 0.062
Use #211A3B 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.