#37203D
Closest named color: Space Cadet (#2B2D42). oklch(28.6% 0.06 319.1), rgb(55, 32, 61).
Aa
White text reads best on this color (14.61:1).
About this color
#37203D is a dark, muted purple. In OKLCH its lightness is 29%, its chroma 0.060 and its hue 319°. 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 14.61:1.
| Hue family | Purples |
| Lightness | dark (29%) |
| Chroma | muted (0.060) |
| Temperature | in between |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.43:1 |
| White text | 14.61:1 |
Values
| HEX | #37203D |
| RGB | rgb(55, 32, 61) |
| HSL | hsl(288, 31%, 18%) |
| OKLCH | oklch(28.6% 0.06 319.1) |
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 #37203D | 14.61:1 | AAA | Lc -104.2 | Preferred for body text |
| Black text on #37203D | 1.43:1 | Fails | Lc 0.0 | Not readable |
| #37203D text on white | 14.61:1 | AAA | Lc 101.3 | Preferred for body text |
| #37203D 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
#F8F3FA
oklch(97% 0.011 316.5)
-
Step 100
100
#F0E6F3
oklch(93.7% 0.02 318.4)
-
Step 200
200
#E5D1EA
oklch(88.5% 0.04 319.5)
-
Step 300
300
#D5B3DE
oklch(81% 0.07 319.1)
-
Step 400
400
#BF89CD
oklch(70.7% 0.113 319.2)
-
Step 500
500
#AE6AC0
oklch(63.1% 0.144 319)
-
Step 600
600
#9950AC
oklch(55.6% 0.156 319)
-
Step 700
700
#834094
oklch(49.2% 0.146 319.1)
-
Step 800
800
#6A3578
oklch(42.6% 0.121 318.9)
-
Step 900
900
#572F61
oklch(37.8% 0.095 319.4)
-
Step 950
950 (this color)
#37203D
oklch(28.6% 0.06 319.1)
#37203D 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) | #1C273E | 0.052 |
| Deuteranopia (no green cones) | #22293C | 0.046 |
| Tritanopia (no blue cones) | #37242B | 0.039 |
| Achromatopsia (no color) | #292929 | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37203D
#37203D
oklch(28.6% 0.06 319.1)
- #1A3113
#1A3113
oklch(28.5% 0.059 138.8)
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 #37203D, 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
- Gunmetal #293241 ΔE 0.059
- Dark #1B2431 ΔE 0.060
- Eggplant Purple #430541 ΔE 0.060
- Dark Purple #35063E ΔE 0.061
Use #37203D 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.