#37183B
Closest named color: Eggplant (#380835). oklch(27% 0.074 322.9), rgb(55, 24, 59).
Aa
White text reads best on this color (15.48:1).
About this color
#37183B is a dark, moderately saturated purple. In OKLCH its lightness is 27%, its chroma 0.074 and its hue 323°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Eggplant (#380835), ΔE 0.034 away. White text reads best on it, at 15.48:1.
| Hue family | Purples |
| Lightness | dark (27%) |
| Chroma | moderately saturated (0.074) |
| Temperature | in between |
| Nearest name | Eggplant (#380835) |
| Black text | 1.35:1 |
| White text | 15.48:1 |
Values
| HEX | #37183B |
| RGB | rgb(55, 24, 59) |
| HSL | hsl(293, 42%, 16%) |
| OKLCH | oklch(27% 0.074 322.9) |
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 #37183B | 15.48:1 | AAA | Lc -104.9 | Preferred for body text |
| Black text on #37183B | 1.35:1 | Fails | Lc 0.0 | Not readable |
| #37183B text on white | 15.48:1 | AAA | Lc 102.2 | Preferred for body text |
| #37183B text on black | 1.35:1 | 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
#F9F3FA
oklch(97.1% 0.011 321.3)
-
Step 100
100
#F2E5F4
oklch(93.7% 0.024 321.7)
-
Step 200
200
#E9CFEC
oklch(88.5% 0.048 322.7)
-
Step 300
300
#DCAEE2
oklch(80.9% 0.087 322.5)
-
Step 400
400
#CA81D3
oklch(70.7% 0.14 323)
-
Step 500
500
#BB5EC7
oklch(63.2% 0.178 322.9)
-
Step 600
600
#A640B3
oklch(55.6% 0.193 323)
-
Step 700
700
#8E309A
oklch(49% 0.18 323)
-
Step 800
800
#732A7D
oklch(42.7% 0.148 322.7)
-
Step 900
900
#5E2765
oklch(37.7% 0.118 323)
-
Step 950
950 (this color)
#37183B
oklch(27% 0.074 322.9)
#37183B 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) | #13223C | 0.070 |
| Deuteranopia (no green cones) | #1C253A | 0.062 |
| Tritanopia (no blue cones) | #381D26 | 0.046 |
| Achromatopsia (no color) | #242424 | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37183B
#37183B
oklch(27% 0.074 322.9)
- #0B2F0B
#0B2F0B
oklch(27% 0.073 143.2)
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 #37183B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Eggplant #380835 ΔE 0.034
- Aubergine #3D0734 ΔE 0.036
- Dark Purple #35063E ΔE 0.040
- Eggplant Purple #430541 ΔE 0.043
- Deep Purple #36013F ΔE 0.049
- Dark Plum #3F012C ΔE 0.050
- Deep Violet #490648 ΔE 0.054
- Space Cadet #2B2D42 ΔE 0.063
Use #37183B 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.