#37224B
Closest named color: Space Cadet (#2B2D42). oklch(29.9% 0.075 306), rgb(55, 34, 75).
Aa
White text reads best on this color (14.06:1).
About this color
#37224B is a dark, moderately saturated purple. In OKLCH its lightness is 30%, its chroma 0.075 and its hue 306°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.045 away. White text reads best on it, at 14.06:1.
| Hue family | Purples |
| Lightness | dark (30%) |
| Chroma | moderately saturated (0.075) |
| Temperature | in between |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.49:1 |
| White text | 14.06:1 |
Values
| HEX | #37224B |
| RGB | rgb(55, 34, 75) |
| HSL | hsl(271, 38%, 21%) |
| OKLCH | oklch(29.9% 0.075 306) |
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 #37224B | 14.06:1 | AAA | Lc -103.6 | Preferred for body text |
| Black text on #37224B | 1.49:1 | Fails | Lc 0.0 | Not readable |
| #37224B text on white | 14.06:1 | AAA | Lc 100.6 | Preferred for body text |
| #37224B 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
#F7F4FC
oklch(97.2% 0.011 303.1)
-
Step 100
100
#EEE6F8
oklch(93.6% 0.025 305.8)
-
Step 200
200
#E1D1F4
oklch(88.4% 0.05 306)
-
Step 300
300
#CFB2EF
oklch(80.9% 0.09 306.1)
-
Step 400
400
#B787E6
oklch(70.6% 0.143 306.4)
-
Step 500
500
#A566DF
oklch(63.1% 0.182 305.9)
-
Step 600
600
#9149CD
oklch(55.7% 0.198 306)
-
Step 700
700
#7B39B1
oklch(49.1% 0.184 305.9)
-
Step 800
800
#64308F
oklch(42.6% 0.153 306.1)
-
Step 900
900
#512C72
oklch(37.6% 0.118 305.9)
-
Step 950
950 (this color)
#37224B
oklch(29.9% 0.075 306)
#37224B 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) | #162B4C | 0.058 |
| Deuteranopia (no green cones) | #1C2C4A | 0.053 |
| Tritanopia (no blue cones) | #342933 | 0.054 |
| Achromatopsia (no color) | #2B2B2B | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37224B
#37224B
oklch(29.9% 0.075 306)
- #243401
#243401
oklch(30% 0.075 126.3)
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 #37224B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.045
- Gunmetal #293241 ΔE 0.061
- Oxford Blue #1B263B ΔE 0.061
- Eggplant Purple #430541 ΔE 0.062
- Deep Violet #490648 ΔE 0.062
- Dark Purple #35063E ΔE 0.066
- Prussian Blue #1D3557 ΔE 0.066
- Eggplant #380835 ΔE 0.067
Use #37224B 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.