#37243C
Closest named color: Space Cadet (#2B2D42). oklch(29.4% 0.05 319.1), rgb(55, 36, 60).
Aa
White text reads best on this color (14.18:1).
About this color
#37243C is a dark, muted purple. In OKLCH its lightness is 29%, its chroma 0.050 and its hue 319°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.033 away. White text reads best on it, at 14.18:1.
| Hue family | Purples |
| Lightness | dark (29%) |
| Chroma | muted (0.050) |
| Temperature | in between |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.48:1 |
| White text | 14.18:1 |
Values
| HEX | #37243C |
| RGB | rgb(55, 36, 60) |
| HSL | hsl(288, 25%, 19%) |
| OKLCH | oklch(29.4% 0.05 319.1) |
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 #37243C | 14.18:1 | AAA | Lc -103.8 | Preferred for body text |
| Black text on #37243C | 1.48:1 | Fails | Lc 0.0 | Not readable |
| #37243C text on white | 14.18:1 | AAA | Lc 100.8 | Preferred for body text |
| #37243C 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
#F8F4F9
oklch(97.2% 0.008 319.4)
-
Step 100
100
#EFE6F1
oklch(93.5% 0.018 320.1)
-
Step 200
200
#E3D3E7
oklch(88.6% 0.032 319.5)
-
Step 300
300
#D2B5D9
oklch(80.9% 0.059 319.7)
-
Step 400
400
#BA8EC6
oklch(70.7% 0.093 318.9)
-
Step 500
500
#A970B7
oklch(63.1% 0.121 319.5)
-
Step 600
600
#9358A3
oklch(55.6% 0.129 318.8)
-
Step 700
700
#7E478C
oklch(49.1% 0.122 319.2)
-
Step 800
800
#663B71
oklch(42.7% 0.1 319.2)
-
Step 900
900
#53335C
oklch(37.7% 0.078 318.6)
-
Step 950
950 (this color)
#37243C
oklch(29.4% 0.05 319.1)
#37243C 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) | #212A3D | 0.042 |
| Deuteranopia (no green cones) | #252C3B | 0.040 |
| Tritanopia (no blue cones) | #37272D | 0.032 |
| Achromatopsia (no color) | #2B2B2B | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37243C
#37243C
oklch(29.4% 0.05 319.1)
- #1F321A
#1F321A
oklch(29.3% 0.049 139.3)
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 #37243C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.033
- Gunmetal #293241 ΔE 0.047
- Oxford Blue #1B263B ΔE 0.051
- Dark #1B2431 ΔE 0.057
- Jet #212529 ΔE 0.057
- Aubergine #3D0734 ΔE 0.067
- Eggplant #380835 ΔE 0.068
- Onyx #343A40 ΔE 0.069
Use #37243C 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.