#37255B
Closest named color: Space Cadet (#2B2D42). oklch(31.6% 0.093 296), rgb(55, 37, 91).
Aa
White text reads best on this color (13.30:1).
About this color
#37255B is a dark, moderately saturated purple. In OKLCH its lightness is 32%, its chroma 0.093 and its hue 296°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.059 away. White text reads best on it, at 13.30:1.
| Hue family | Purples |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.093) |
| Temperature | in between |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.57:1 |
| White text | 13.30:1 |
Values
| HEX | #37255B |
| RGB | rgb(55, 37, 91) |
| HSL | hsl(260, 42%, 25%) |
| OKLCH | oklch(31.6% 0.093 296) |
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 #37255B | 13.30:1 | AAA | Lc -102.7 | Preferred for body text |
| Black text on #37255B | 1.57:1 | Fails | Lc 0.0 | Not readable |
| #37255B text on white | 13.30:1 | AAA | Lc 99.5 | Preferred for body text |
| #37255B text on black | 1.57:1 | 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
#F6F4FF
oklch(97.2% 0.015 294.5)
-
Step 100
100
#EBE6FD
oklch(93.6% 0.031 295.8)
-
Step 200
200
#DCD2FE
oklch(88.6% 0.061 295.5)
-
Step 300
300
#C7B2FF
oklch(80.9% 0.109 296.4)
-
Step 400
400
#AC86FF
oklch(70.8% 0.174 296.2)
-
Step 500
500
#9A60FF
oklch(63.2% 0.225 296.1)
-
Step 600
600
#863DEE
oklch(55.6% 0.245 296.1)
-
Step 700
700
#722CCF
oklch(49.1% 0.228 296.2)
-
Step 800
800
#5C28A8
oklch(42.7% 0.189 295.7)
-
Step 900
900
#4B2885
oklch(37.8% 0.147 295.8)
-
Step 950
950 (this color)
#37255B
oklch(31.6% 0.093 296)
#37255B 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) | #0D305D | 0.062 |
| Deuteranopia (no green cones) | #122F5A | 0.058 |
| Tritanopia (no blue cones) | #2E303C | 0.073 |
| Achromatopsia (no color) | #2F2F2F | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37255B
#37255B
oklch(31.6% 0.093 296)
- #303600
#303600
oklch(31.6% 0.073 116.4)
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 #37255B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.059
- Prussian Blue #1D3557 ΔE 0.060
- Marine #042E60 ΔE 0.067
- Gunmetal #293241 ΔE 0.071
- Plum Purple #4E0550 ΔE 0.073
- Deep Violet #490648 ΔE 0.073
- Midnight Blue #191970 ΔE 0.074
- Royal Purple #4B006E ΔE 0.075
Use #37255B 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.