#37253A
Closest named color: Space Cadet (#2B2D42). oklch(29.5% 0.045 321.6), rgb(55, 37, 58).
Aa
White text reads best on this color (14.11:1).
About this color
#37253A is a dark, muted purple. In OKLCH its lightness is 30%, its chroma 0.045 and its hue 322°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.032 away. White text reads best on it, at 14.11:1.
| Hue family | Purples |
| Lightness | dark (30%) |
| Chroma | muted (0.045) |
| Temperature | in between |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.48:1 |
| White text | 14.11:1 |
Values
| HEX | #37253A |
| RGB | rgb(55, 37, 58) |
| HSL | hsl(291, 22%, 19%) |
| OKLCH | oklch(29.5% 0.045 321.6) |
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 #37253A | 14.11:1 | AAA | Lc -103.7 | Preferred for body text |
| Black text on #37253A | 1.48:1 | Fails | Lc 0.0 | Not readable |
| #37253A text on white | 14.11:1 | AAA | Lc 100.7 | Preferred for body text |
| #37253A text on black | 1.48:1 | 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
#F8F4F8
oklch(97.1% 0.007 325.6)
-
Step 100
100
#EFE7F0
oklch(93.7% 0.015 322.3)
-
Step 200
200
#E3D3E5
oklch(88.5% 0.03 322.4)
-
Step 300
300
#D1B6D5
oklch(80.9% 0.052 321.9)
-
Step 400
400
#B98FC0
oklch(70.6% 0.084 321.6)
-
Step 500
500
#A873B1
oklch(63.2% 0.108 321.6)
-
Step 600
600
#935A9C
oklch(55.6% 0.118 322)
-
Step 700
700
#7D4A85
oklch(49.1% 0.108 322)
-
Step 800
800
#653D6C
oklch(42.6% 0.089 321.5)
-
Step 900
900
#533458
oklch(37.7% 0.071 321.8)
-
Step 950
950 (this color)
#37253A
oklch(29.5% 0.045 321.6)
#37253A 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) | #232A3B | 0.038 |
| Deuteranopia (no green cones) | #272C39 | 0.036 |
| Tritanopia (no blue cones) | #38272D | 0.027 |
| Achromatopsia (no color) | #2B2B2B | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37253A
#37253A
oklch(29.5% 0.045 321.6)
- #20321D
#20321D
oklch(29.5% 0.044 141)
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 #37253A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.032
- Gunmetal #293241 ΔE 0.045
- Oxford Blue #1B263B ΔE 0.050
- Jet #212529 ΔE 0.054
- Dark #1B2431 ΔE 0.055
- Onyx #343A40 ΔE 0.066
- Aubergine #3D0734 ΔE 0.070
- Prussian Blue #1D3557 ΔE 0.071
Use #37253A 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.