#37183D
Closest named color: Eggplant (#380835). oklch(27.2% 0.076 320.9), rgb(55, 24, 61).
Aa
White text reads best on this color (15.43:1).
About this color
#37183D is a dark, moderately saturated purple. In OKLCH its lightness is 27%, its chroma 0.076 and its hue 321°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Eggplant (#380835), ΔE 0.035 away. White text reads best on it, at 15.43:1.
| Hue family | Purples |
| Lightness | dark (27%) |
| Chroma | moderately saturated (0.076) |
| Temperature | in between |
| Nearest name | Eggplant (#380835) |
| Black text | 1.36:1 |
| White text | 15.43:1 |
Values
| HEX | #37183D |
| RGB | rgb(55, 24, 61) |
| HSL | hsl(290, 44%, 17%) |
| OKLCH | oklch(27.2% 0.076 320.9) |
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 #37183D | 15.43:1 | AAA | Lc -104.9 | Preferred for body text |
| Black text on #37183D | 1.36:1 | Fails | Lc 0.0 | Not readable |
| #37183D text on white | 15.43:1 | AAA | Lc 102.1 | Preferred for body text |
| #37183D text on black | 1.36:1 | 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
#F2E5F5
oklch(93.7% 0.025 319.9)
-
Step 200
200
#E9CFEE
oklch(88.5% 0.05 320.8)
-
Step 300
300
#DCAEE4
oklch(81% 0.09 321.4)
-
Step 400
400
#C980D7
oklch(70.7% 0.145 321)
-
Step 500
500
#BA5DCC
oklch(63.2% 0.184 320.9)
-
Step 600
600
#A53EB8
oklch(55.6% 0.2 321.1)
-
Step 700
700
#8D2F9F
oklch(49.1% 0.186 320.8)
-
Step 800
800
#732881
oklch(42.7% 0.155 321)
-
Step 900
900
#5D2767
oklch(37.7% 0.119 321.1)
-
Step 950
950 (this color)
#37183D
oklch(27.2% 0.076 320.9)
#37183D 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) | #12223E | 0.071 |
| Deuteranopia (no green cones) | #1B263C | 0.064 |
| Tritanopia (no blue cones) | #381D27 | 0.048 |
| Achromatopsia (no color) | #242424 | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37183D
#37183D
oklch(27.2% 0.076 320.9)
- #0D2F08
#0D2F08
oklch(27% 0.075 141.2)
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 #37183D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Eggplant #380835 ΔE 0.035
- Aubergine #3D0734 ΔE 0.037
- Dark Purple #35063E ΔE 0.039
- Eggplant Purple #430541 ΔE 0.042
- Deep Purple #36013F ΔE 0.048
- Dark Plum #3F012C ΔE 0.052
- Deep Violet #490648 ΔE 0.052
- Space Cadet #2B2D42 ΔE 0.063
Use #37183D 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.