#370B39
Closest named color: Eggplant (#380835). oklch(25% 0.094 326.1), rgb(55, 11, 57).
Aa
White text reads best on this color (16.54:1).
About this color
#370B39 is a dark, moderately saturated purple. In OKLCH its lightness is 25%, its chroma 0.094 and its hue 326°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Eggplant (#380835), ΔE 0.009 away. White text reads best on it, at 16.54:1.
| Hue family | Purples |
| Lightness | dark (25%) |
| Chroma | moderately saturated (0.094) |
| Temperature | in between |
| Nearest name | Eggplant (#380835) |
| Black text | 1.26:1 |
| White text | 16.54:1 |
Values
| HEX | #370B39 |
| RGB | rgb(55, 11, 57) |
| HSL | hsl(297, 68%, 13%) |
| OKLCH | oklch(25% 0.094 326.1) |
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 #370B39 | 16.54:1 | AAA | Lc -105.5 | Preferred for body text |
| Black text on #370B39 | 1.26:1 | Fails | Lc 0.0 | Not readable |
| #370B39 text on white | 16.54:1 | AAA | Lc 103.0 | Preferred for body text |
| #370B39 text on black | 1.26:1 | 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
#FBF2FB
oklch(97.1% 0.015 325.7)
-
Step 100
100
#F6E3F6
oklch(93.7% 0.032 325.8)
-
Step 200
200
#EFCCEF
oklch(88.5% 0.06 326.1)
-
Step 300
300
#E6A7E7
oklch(80.8% 0.111 326)
-
Step 400
400
#D874DB
oklch(70.8% 0.178 326.2)
-
Step 500
500
#CB47D1
oklch(63.1% 0.227 326)
-
Step 600
600
#B617BE
oklch(55.6% 0.247 325.9)
-
Step 700
700
#9C00A3
oklch(49.1% 0.228 326)
-
Step 800
800
#7F0C85
oklch(42.7% 0.191 325.8)
-
Step 900
900
#67186A
oklch(37.7% 0.149 326.4)
-
Step 950
950 (this color)
#370B39
oklch(25% 0.094 326.1)
#370B39 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) | #031B3A | 0.099 |
| Deuteranopia (no green cones) | #152138 | 0.084 |
| Tritanopia (no blue cones) | #391221 | 0.053 |
| Achromatopsia (no color) | #1F1F1F | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #370B39
#370B39
oklch(25% 0.094 326.1)
- #002B07
#002B07
oklch(25.1% 0.077 145.8)
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 #370B39, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Eggplant #380835 ΔE 0.009
- Dark Purple #35063E ΔE 0.015
- Aubergine #3D0734 ΔE 0.018
- Deep Purple #36013F ΔE 0.023
- Eggplant Purple #430541 ΔE 0.031
- Dark Plum #3F012C ΔE 0.033
- Very Dark Purple #2A0134 ΔE 0.042
- Midnight Purple #280137 ΔE 0.046
Use #370B39 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.