#37203A
Closest named color: Space Cadet (#2B2D42). oklch(28.5% 0.056 322.7), rgb(55, 32, 58).
Aa
White text reads best on this color (14.68:1).
About this color
#37203A is a dark, muted purple. In OKLCH its lightness is 28%, its chroma 0.056 and its hue 323°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.043 away. White text reads best on it, at 14.68:1.
| Hue family | Purples |
| Lightness | dark (28%) |
| Chroma | muted (0.056) |
| Temperature | in between |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.43:1 |
| White text | 14.68:1 |
Values
| HEX | #37203A |
| RGB | rgb(55, 32, 58) |
| HSL | hsl(293, 29%, 18%) |
| OKLCH | oklch(28.5% 0.056 322.7) |
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 #37203A | 14.68:1 | AAA | Lc -104.3 | Preferred for body text |
| Black text on #37203A | 1.43:1 | Fails | Lc 0.0 | Not readable |
| #37203A text on white | 14.68:1 | AAA | Lc 101.4 | Preferred for body text |
| #37203A text on black | 1.43:1 | 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
#F8F4F9
oklch(97.2% 0.008 319.4)
-
Step 100
100
#F0E6F1
oklch(93.6% 0.018 323)
-
Step 200
200
#E5D2E8
oklch(88.6% 0.036 321.6)
-
Step 300
300
#D6B3DA
oklch(81% 0.066 322.9)
-
Step 400
400
#C08AC7
oklch(70.7% 0.105 322.6)
-
Step 500
500
#B06BB9
oklch(63.1% 0.136 322.8)
-
Step 600
600
#9B51A4
oklch(55.6% 0.147 323.1)
-
Step 700
700
#84418D
oklch(49% 0.137 322.8)
-
Step 800
800
#6B3672
oklch(42.6% 0.113 322.8)
-
Step 900
900
#57305C
oklch(37.7% 0.087 322.9)
-
Step 950
950 (this color)
#37203A
oklch(28.5% 0.056 322.7)
#37203A 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) | #1D273B | 0.050 |
| Deuteranopia (no green cones) | #232939 | 0.045 |
| Tritanopia (no blue cones) | #38232A | 0.034 |
| Achromatopsia (no color) | #282828 | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37203A
#37203A
oklch(28.5% 0.056 322.7)
- #183117
#183117
oklch(28.5% 0.056 143.2)
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 #37203A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.043
- Oxford Blue #1B263B ΔE 0.053
- Aubergine #3D0734 ΔE 0.056
- Eggplant #380835 ΔE 0.056
- Dark #1B2431 ΔE 0.057
- Gunmetal #293241 ΔE 0.058
- Jet #212529 ΔE 0.058
- Eggplant Purple #430541 ΔE 0.062
Use #37203A 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.