#370B28
Closest named color: Dark Plum (#3F012C). oklch(24% 0.079 344.2), rgb(55, 11, 40).
Aa
White text reads best on this color (16.92:1).
About this color
#370B28 is a very dark, moderately saturated purple. In OKLCH its lightness is 24%, its chroma 0.079 and its hue 344°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Plum (#3F012C), ΔE 0.025 away. White text reads best on it, at 16.92:1.
| Hue family | Purples |
| Lightness | very dark (24%) |
| Chroma | moderately saturated (0.079) |
| Temperature | warm |
| Nearest name | Dark Plum (#3F012C) |
| Black text | 1.24:1 |
| White text | 16.92:1 |
Values
| HEX | #370B28 |
| RGB | rgb(55, 11, 40) |
| HSL | hsl(320, 67%, 13%) |
| OKLCH | oklch(24% 0.079 344.2) |
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 #370B28 | 16.92:1 | AAA | Lc -105.8 | Preferred for body text |
| Black text on #370B28 | 1.24:1 | Fails | Lc 0.0 | Not readable |
| #370B28 text on white | 16.92:1 | AAA | Lc 103.4 | Preferred for body text |
| #370B28 text on black | 1.24:1 | 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
#FCF2F7
oklch(97% 0.013 345.5)
-
Step 100
100
#F8E3EE
oklch(93.6% 0.027 344.6)
-
Step 200
200
#F3CCE1
oklch(88.5% 0.052 344.6)
-
Step 300
300
#ECA9CF
oklch(80.9% 0.092 344.3)
-
Step 400
400
#E077B7
oklch(70.7% 0.15 344.2)
-
Step 500
500
#D44FA5
oklch(63.1% 0.19 344.2)
-
Step 600
600
#BF2A90
oklch(55.6% 0.207 344.2)
-
Step 700
700
#A4197A
oklch(49% 0.193 344.3)
-
Step 800
800
#861A64
oklch(42.8% 0.16 344.2)
-
Step 900
900
#6C1E51
oklch(37.8% 0.124 344.6)
-
Step 950
950 (this color)
#370B28
oklch(24% 0.079 344.2)
#370B28 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) | #101829 | 0.086 |
| Deuteranopia (no green cones) | #1D1F27 | 0.075 |
| Tritanopia (no blue cones) | #3B0B18 | 0.033 |
| Achromatopsia (no color) | #1D1D1D | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #370B28
#370B28
oklch(24% 0.079 344.2)
- #002619
#002619
oklch(23.8% 0.05 165.5)
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 #370B28, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Plum #3F012C ΔE 0.025
- Eggplant #380835 ΔE 0.027
- Aubergine #3D0734 ΔE 0.028
- Dark Purple #35063E ΔE 0.046
- Deep Purple #36013F ΔE 0.051
- Very Dark Purple #2A0134 ΔE 0.053
- Eggplant Purple #430541 ΔE 0.054
- Dark Maroon #3C0008 ΔE 0.056
Use #370B28 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.