#37253F
Closest named color: Space Cadet (#2B2D42). oklch(29.8% 0.052 315), rgb(55, 37, 63).
Aa
White text reads best on this color (14.01:1).
About this color
#37253F is a dark, muted purple. In OKLCH its lightness is 30%, its chroma 0.052 and its hue 315°. 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 14.01:1.
| Hue family | Purples |
| Lightness | dark (30%) |
| Chroma | muted (0.052) |
| Temperature | in between |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.49:1 |
| White text | 14.01:1 |
Values
| HEX | #37253F |
| RGB | rgb(55, 37, 63) |
| HSL | hsl(282, 26%, 20%) |
| OKLCH | oklch(29.8% 0.052 315) |
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 #37253F | 14.01:1 | AAA | Lc -103.6 | Preferred for body text |
| Black text on #37253F | 1.49:1 | Fails | Lc 0.0 | Not readable |
| #37253F text on white | 14.01:1 | AAA | Lc 100.6 | Preferred for body text |
| #37253F 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
#F7F4F9
oklch(97.1% 0.007 312.3)
-
Step 100
100
#EEE7F2
oklch(93.7% 0.016 313.6)
-
Step 200
200
#E2D3E9
oklch(88.6% 0.034 315.2)
-
Step 300
300
#D0B5DC
oklch(80.9% 0.061 315.5)
-
Step 400
400
#B88ECB
oklch(70.8% 0.098 315)
-
Step 500
500
#A671BD
oklch(63.2% 0.124 315.1)
-
Step 600
600
#9158A9
oklch(55.7% 0.135 315.2)
-
Step 700
700
#7B4791
oklch(49% 0.126 315)
-
Step 800
800
#643B76
oklch(42.7% 0.105 314.8)
-
Step 900
900
#52335F
oklch(37.7% 0.082 315.4)
-
Step 950
950 (this color)
#37253F
oklch(29.8% 0.052 315)
#37253F 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) | #212B40 | 0.042 |
| Deuteranopia (no green cones) | #252C3E | 0.038 |
| Tritanopia (no blue cones) | #37282F | 0.034 |
| Achromatopsia (no color) | #2C2C2C | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37253F
#37253F
oklch(29.8% 0.052 315)
- #223318
#223318
oklch(29.8% 0.051 134.8)
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 #37253F, 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 0.046
- Oxford Blue #1B263B ΔE 0.051
- Dark #1B2431 ΔE 0.059
- Jet #212529 ΔE 0.060
- Prussian Blue #1D3557 ΔE 0.066
- Onyx #343A40 ΔE 0.067
- Aubergine #3D0734 ΔE 0.070
Use #37253F 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.