#20213D
Closest named color: Oxford Blue (#1B263B). oklch(26.2% 0.052 280.6), rgb(32, 33, 61).
Aa
White text reads best on this color (15.59:1).
About this color
#20213D is a dark, muted purple. In OKLCH its lightness is 26%, its chroma 0.052 and its hue 281°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.019 away. White text reads best on it, at 15.59:1.
| Hue family | Purples |
| Lightness | dark (26%) |
| Chroma | muted (0.052) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.34:1 |
| White text | 15.59:1 |
Values
| HEX | #20213D |
| RGB | rgb(32, 33, 61) |
| HSL | hsl(238, 31%, 18%) |
| OKLCH | oklch(26.2% 0.052 280.6) |
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 #20213D | 15.59:1 | AAA | Lc -105.1 | Preferred for body text |
| Black text on #20213D | 1.34:1 | Fails | Lc 0.0 | Not readable |
| #20213D text on white | 15.59:1 | AAA | Lc 102.5 | Preferred for body text |
| #20213D text on black | 1.34:1 | 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
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E7E9F6
oklch(93.6% 0.018 279.1)
-
Step 200
200
#D4D7F0
oklch(88.5% 0.034 280.2)
-
Step 300
300
#B9BDE8
oklch(81% 0.061 280.8)
-
Step 400
400
#959ADD
oklch(70.8% 0.098 280.3)
-
Step 500
500
#7C7FD4
oklch(63.1% 0.127 280.6)
-
Step 600
600
#6667C1
oklch(55.6% 0.137 280.5)
-
Step 700
700
#5555A6
oklch(49.1% 0.127 280.7)
-
Step 800
800
#454687
oklch(42.7% 0.106 280.3)
-
Step 900
900
#3A3B6C
oklch(37.6% 0.083 280.8)
-
Step 950
950 (this color)
#20213D
oklch(26.2% 0.052 280.6)
#20213D 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) | #17253E | 0.018 |
| Deuteranopia (no green cones) | #15233C | 0.018 |
| Tritanopia (no blue cones) | #17272C | 0.046 |
| Achromatopsia (no color) | #242424 | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #20213D
#20213D
oklch(26.2% 0.052 280.6)
- #2A2502
#2A2502
oklch(26.2% 0.052 101.2)
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 #20213D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.019
- Dark #1B2431 ΔE 0.029
- Jet #212529 ΔE 0.044
- Space Cadet #2B2D42 ΔE 0.045
- Rich Black #0D1B2A ΔE 0.052
- Gunmetal #293241 ΔE 0.060
- Prussian Blue #1D3557 ΔE 0.072
- Marine #042E60 ΔE 0.072
Use #20213D 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.