#37243A
Closest named color: Space Cadet (#2B2D42). oklch(29.3% 0.047 321.9), rgb(55, 36, 58).
Aa
White text reads best on this color (14.22:1).
About this color
#37243A is a dark, muted purple. In OKLCH its lightness is 29%, its chroma 0.047 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 0.034 away. White text reads best on it, at 14.22:1.
| Hue family | Purples |
| Lightness | dark (29%) |
| Chroma | muted (0.047) |
| Temperature | in between |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.47:1 |
| White text | 14.22:1 |
Values
| HEX | #37243A |
| RGB | rgb(55, 36, 58) |
| HSL | hsl(292, 23%, 18%) |
| OKLCH | oklch(29.3% 0.047 321.9) |
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 #37243A | 14.22:1 | AAA | Lc -103.9 | Preferred for body text |
| Black text on #37243A | 1.47:1 | Fails | Lc 0.0 | Not readable |
| #37243A text on white | 14.22:1 | AAA | Lc 100.9 | Preferred for body text |
| #37243A text on black | 1.47:1 | 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
#EFE6F0
oklch(93.5% 0.016 322.7)
-
Step 200
200
#E3D3E6
oklch(88.5% 0.031 320.9)
-
Step 300
300
#D2B5D6
oklch(80.8% 0.056 322.2)
-
Step 400
400
#BB8EC2
oklch(70.7% 0.089 321.9)
-
Step 500
500
#A971B2
oklch(63% 0.114 321.8)
-
Step 600
600
#94599E
oklch(55.6% 0.122 321.6)
-
Step 700
700
#7E4887
oklch(49% 0.115 321.7)
-
Step 800
800
#673C6E
oklch(42.8% 0.095 321.8)
-
Step 900
900
#543359
oklch(37.7% 0.075 322.1)
-
Step 950
950 (this color)
#37243A
oklch(29.3% 0.047 321.9)
#37243A 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) | #22293B | 0.040 |
| Deuteranopia (no green cones) | #262B39 | 0.037 |
| Tritanopia (no blue cones) | #38262C | 0.029 |
| Achromatopsia (no color) | #2B2B2B | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37243A
#37243A
oklch(29.3% 0.047 321.9)
- #1E321C
#1E321C
oklch(29.3% 0.047 142.2)
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 #37243A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.034
- Gunmetal #293241 ΔE 0.047
- Oxford Blue #1B263B ΔE 0.050
- Jet #212529 ΔE 0.055
- Dark #1B2431 ΔE 0.055
- Aubergine #3D0734 ΔE 0.067
- Eggplant #380835 ΔE 0.068
- Onyx #343A40 ΔE 0.069
Use #37243A 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.