#370739
Closest named color: Eggplant (#380835). oklch(24.6% 0.1 326.3), rgb(55, 7, 57).
Aa
White text reads best on this color (16.77:1).
About this color
#370739 is a very dark, moderately saturated purple. In OKLCH its lightness is 25%, its chroma 0.100 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 16.77:1.
| Hue family | Purples |
| Lightness | very dark (25%) |
| Chroma | moderately saturated (0.100) |
| Temperature | in between |
| Nearest name | Eggplant (#380835) |
| Black text | 1.25:1 |
| White text | 16.77:1 |
Values
| HEX | #370739 |
| RGB | rgb(55, 7, 57) |
| HSL | hsl(298, 78%, 13%) |
| OKLCH | oklch(24.6% 0.1 326.3) |
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 #370739 | 16.77:1 | AAA | Lc -105.6 | Preferred for body text |
| Black text on #370739 | 1.25:1 | Fails | Lc 0.0 | Not readable |
| #370739 text on white | 16.77:1 | AAA | Lc 103.0 | Preferred for body text |
| #370739 text on black | 1.25:1 | 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
#F7E2F6
oklch(93.6% 0.035 327.3)
-
Step 200
200
#F1CBF1
oklch(88.6% 0.066 326.1)
-
Step 300
300
#E9A5E9
oklch(80.9% 0.119 326.6)
-
Step 400
400
#DB70DE
oklch(70.7% 0.189 326.3)
-
Step 500
500
#CF3FD4
oklch(63.1% 0.241 326.5)
-
Step 600
600
#B900C0
oklch(55.6% 0.258 326.4)
-
Step 700
700
#9C00A3
oklch(49.1% 0.228 326)
-
Step 800
800
#810086
oklch(42.7% 0.198 326.4)
-
Step 900
900
#69126C
oklch(37.7% 0.157 326.6)
-
Step 950
950 (this color)
#370739
oklch(24.6% 0.1 326.3)
#370739 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) | #001A3A | 0.106 |
| Deuteranopia (no green cones) | #131F38 | 0.089 |
| Tritanopia (no blue cones) | #391020 | 0.056 |
| Achromatopsia (no color) | #1D1D1D | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #370739
#370739
oklch(24.6% 0.1 326.3)
- #002907
#002907
oklch(24.4% 0.074 146.1)
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 #370739, 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 0.012
- Deep Purple #36013F ΔE 0.017
- Aubergine #3D0734 ΔE 0.018
- Eggplant Purple #430541 ΔE 0.031
- Dark Plum #3F012C ΔE 0.032
- Very Dark Purple #2A0134 ΔE 0.038
- Midnight Purple #280137 ΔE 0.042
Use #370739 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.