#37253D
Closest named color: Space Cadet (#2B2D42). oklch(29.7% 0.049 317.5), rgb(55, 37, 61).
Aa
White text reads best on this color (14.05:1).
About this color
#37253D is a dark, muted purple. In OKLCH its lightness is 30%, its chroma 0.049 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 0.031 away. White text reads best on it, at 14.05:1.
| Hue family | Purples |
| Lightness | dark (30%) |
| Chroma | muted (0.049) |
| Temperature | in between |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.49:1 |
| White text | 14.05:1 |
Values
| HEX | #37253D |
| RGB | rgb(55, 37, 61) |
| HSL | hsl(285, 24%, 19%) |
| OKLCH | oklch(29.7% 0.049 317.5) |
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 #37253D | 14.05:1 | AAA | Lc -103.7 | Preferred for body text |
| Black text on #37253D | 1.49:1 | Fails | Lc 0.0 | Not readable |
| #37253D text on white | 14.05:1 | AAA | Lc 100.7 | Preferred for body text |
| #37253D text on black | 1.49:1 | 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
#EFE7F1
oklch(93.7% 0.016 319.4)
-
Step 200
200
#E2D3E7
oklch(88.5% 0.031 317.7)
-
Step 300
300
#D0B6DA
oklch(81% 0.057 316.6)
-
Step 400
400
#B88EC7
oklch(70.6% 0.093 317)
-
Step 500
500
#A772B8
oklch(63.2% 0.117 317.7)
-
Step 600
600
#9159A4
oklch(55.6% 0.127 317.1)
-
Step 700
700
#7C488C
oklch(49.1% 0.119 317.9)
-
Step 800
800
#653C72
oklch(42.8% 0.098 317.7)
-
Step 900
900
#52345C
oklch(37.8% 0.076 317.4)
-
Step 950
950 (this color)
#37253D
oklch(29.7% 0.049 317.5)
#37253D 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) | #222A3E | 0.039 |
| Deuteranopia (no green cones) | #262C3C | 0.037 |
| Tritanopia (no blue cones) | #37282E | 0.032 |
| Achromatopsia (no color) | #2C2C2C | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37253D
#37253D
oklch(29.7% 0.049 317.5)
- #21331A
#21331A
oklch(29.8% 0.049 137.4)
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 #37253D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.031
- Gunmetal #293241 ΔE 0.045
- Oxford Blue #1B263B ΔE 0.051
- Dark #1B2431 ΔE 0.057
- Jet #212529 ΔE 0.058
- Onyx #343A40 ΔE 0.067
- Prussian Blue #1D3557 ΔE 0.068
- Aubergine #3D0734 ΔE 0.070
Use #37253D 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.