#370B26
Closest named color: Dark Plum (#3F012C). oklch(23.9% 0.077 346.8), rgb(55, 11, 38).
Aa
White text reads best on this color (16.95:1).
About this color
#370B26 is a very dark, moderately saturated red. In OKLCH its lightness is 24%, its chroma 0.077 and its hue 347°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Plum (#3F012C), ΔE 0.027 away. White text reads best on it, at 16.95:1.
| Hue family | Reds |
| Lightness | very dark (24%) |
| Chroma | moderately saturated (0.077) |
| Temperature | warm |
| Nearest name | Dark Plum (#3F012C) |
| Black text | 1.23:1 |
| White text | 16.95:1 |
Values
| HEX | #370B26 |
| RGB | rgb(55, 11, 38) |
| HSL | hsl(323, 67%, 13%) |
| OKLCH | oklch(23.9% 0.077 346.8) |
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 #370B26 | 16.95:1 | AAA | Lc -105.9 | Preferred for body text |
| Black text on #370B26 | 1.23:1 | Fails | Lc 0.0 | Not readable |
| #370B26 text on white | 16.95:1 | AAA | Lc 103.4 | Preferred for body text |
| #370B26 text on black | 1.23:1 | 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
#F8E3ED
oklch(93.6% 0.026 347.1)
-
Step 200
200
#F4CCE0
oklch(88.5% 0.052 346.6)
-
Step 300
300
#EDA9CC
oklch(80.9% 0.091 347.1)
-
Step 400
400
#E178B2
oklch(70.8% 0.146 347.2)
-
Step 500
500
#D54F9F
oklch(63.1% 0.188 347)
-
Step 600
600
#C02B8A
oklch(55.6% 0.204 346.9)
-
Step 700
700
#A51B75
oklch(49% 0.189 346.9)
-
Step 800
800
#861B60
oklch(42.7% 0.157 346.4)
-
Step 900
900
#6C1E4E
oklch(37.6% 0.122 346.7)
-
Step 950
950 (this color)
#370B26
oklch(23.9% 0.077 346.8)
#370B26 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) | #101827 | 0.086 |
| Deuteranopia (no green cones) | #1D1F25 | 0.075 |
| Tritanopia (no blue cones) | #3B0A17 | 0.030 |
| Achromatopsia (no color) | #1C1C1C | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #370B26
#370B26
oklch(23.9% 0.077 346.8)
- #00261A
#00261A
oklch(23.8% 0.049 167.2)
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 #370B26, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Plum #3F012C ΔE 0.027
- Eggplant #380835 ΔE 0.031
- Aubergine #3D0734 ΔE 0.031
- Dark Purple #35063E ΔE 0.050
- Dark Maroon #3C0008 ΔE 0.052
- Deep Purple #36013F ΔE 0.055
- Very Dark Purple #2A0134 ΔE 0.055
- Eggplant Purple #430541 ΔE 0.058
Use #370B26 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.