#211D3E
Closest named color: Oxford Blue (#1B263B). oklch(25.4% 0.061 286.8), rgb(33, 29, 62).
Aa
White text reads best on this color (16.03:1).
About this color
#211D3E is a dark, muted purple. In OKLCH its lightness is 25%, its chroma 0.061 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.032 away. White text reads best on it, at 16.03:1.
| Hue family | Purples |
| Lightness | dark (25%) |
| Chroma | muted (0.061) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.30:1 |
| White text | 16.03:1 |
Values
| HEX | #211D3E |
| RGB | rgb(33, 29, 62) |
| HSL | hsl(247, 36%, 18%) |
| OKLCH | oklch(25.4% 0.061 286.8) |
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 #211D3E | 16.03:1 | AAA | Lc -105.5 | Preferred for body text |
| Black text on #211D3E | 1.30:1 | Fails | Lc 0.0 | Not readable |
| #211D3E text on white | 16.03:1 | AAA | Lc 102.9 | Preferred for body text |
| #211D3E text on black | 1.30:1 | 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
#F5F5FC
oklch(97.2% 0.009 286.2)
-
Step 100
100
#E8E8F8
oklch(93.6% 0.022 286)
-
Step 200
200
#D7D6F3
oklch(88.6% 0.04 287.1)
-
Step 300
300
#BDBAEE
oklch(80.9% 0.073 287.3)
-
Step 400
400
#9C95E5
oklch(70.7% 0.116 287.1)
-
Step 500
500
#8579DD
oklch(63.2% 0.147 286.9)
-
Step 600
600
#6F5FCB
oklch(55.5% 0.161 286.7)
-
Step 700
700
#5D4EAF
oklch(49% 0.149 286.6)
-
Step 800
800
#4C418E
oklch(42.8% 0.123 286.5)
-
Step 900
900
#3F3871
oklch(37.8% 0.095 286.6)
-
Step 950
950 (this color)
#211D3E
oklch(25.4% 0.061 286.8)
#211D3E 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) | #10223F | 0.028 |
| Deuteranopia (no green cones) | #10203D | 0.027 |
| Tritanopia (no blue cones) | #19242A | 0.052 |
| Achromatopsia (no color) | #212121 | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #211D3E
#211D3E
oklch(25.4% 0.061 286.8)
- #262400
#262400
oklch(25.4% 0.054 106.6)
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 #211D3E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.032
- Dark #1B2431 ΔE 0.039
- Rich Black #0D1B2A ΔE 0.053
- Jet #212529 ΔE 0.054
- Space Cadet #2B2D42 ΔE 0.056
- Dark Indigo #1F0954 ΔE 0.063
- Dark Purple #35063E ΔE 0.065
- Eggplant #380835 ΔE 0.067
Use #211D3E 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.