#37203F
Closest named color: Space Cadet (#2B2D42). oklch(28.8% 0.062 317), rgb(55, 32, 63).
Aa
White text reads best on this color (14.57:1).
About this color
#37203F is a dark, muted purple. In OKLCH its lightness is 29%, its chroma 0.062 and its hue 317°. 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 14.57:1.
| Hue family | Purples |
| Lightness | dark (29%) |
| Chroma | muted (0.062) |
| Temperature | in between |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.44:1 |
| White text | 14.57:1 |
Values
| HEX | #37203F |
| RGB | rgb(55, 32, 63) |
| HSL | hsl(285, 33%, 19%) |
| OKLCH | oklch(28.8% 0.062 317) |
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 #37203F | 14.57:1 | AAA | Lc -104.2 | Preferred for body text |
| Black text on #37203F | 1.44:1 | Fails | Lc 0.0 | Not readable |
| #37203F text on white | 14.57:1 | AAA | Lc 101.3 | Preferred for body text |
| #37203F text on black | 1.44:1 | 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
#F0E6F4
oklch(93.7% 0.021 316.5)
-
Step 200
200
#E4D1EB
oklch(88.4% 0.041 317)
-
Step 300
300
#D4B2E1
oklch(80.8% 0.075 316.6)
-
Step 400
400
#BE89D1
oklch(70.7% 0.117 316.9)
-
Step 500
500
#AD69C5
oklch(63% 0.151 316.8)
-
Step 600
600
#994EB1
oklch(55.6% 0.164 317.3)
-
Step 700
700
#823E99
oklch(49% 0.153 316.8)
-
Step 800
800
#6A347C
oklch(42.7% 0.127 317)
-
Step 900
900
#562E64
oklch(37.7% 0.1 316.7)
-
Step 950
950 (this color)
#37203F
oklch(28.8% 0.062 317)
#37203F 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) | #1B2740 | 0.053 |
| Deuteranopia (no green cones) | #212A3E | 0.049 |
| Tritanopia (no blue cones) | #37242C | 0.041 |
| Achromatopsia (no color) | #292929 | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37203F
#37203F
oklch(28.8% 0.062 317)
- #1B3211
#1B3211
oklch(28.9% 0.063 137.2)
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 #37203F, 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 0.054
- Eggplant #380835 ΔE 0.056
- Aubergine #3D0734 ΔE 0.056
- Eggplant Purple #430541 ΔE 0.059
- Gunmetal #293241 ΔE 0.059
- Dark Purple #35063E ΔE 0.060
- Dark #1B2431 ΔE 0.061
Use #37203F 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.