#370D22
Closest named color: Dark Plum (#3F012C). oklch(23.9% 0.072 352.9), rgb(55, 13, 34).
Aa
White text reads best on this color (16.89:1).
About this color
#370D22 is a very dark, moderately saturated red. In OKLCH its lightness is 24%, its chroma 0.072 and its hue 353°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Plum (#3F012C), ΔE 0.035 away. White text reads best on it, at 16.89:1.
| Hue family | Reds |
| Lightness | very dark (24%) |
| Chroma | moderately saturated (0.072) |
| Temperature | warm |
| Nearest name | Dark Plum (#3F012C) |
| Black text | 1.24:1 |
| White text | 16.89:1 |
Values
| HEX | #370D22 |
| RGB | rgb(55, 13, 34) |
| HSL | hsl(330, 62%, 13%) |
| OKLCH | oklch(23.9% 0.072 352.9) |
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 #370D22 | 16.89:1 | AAA | Lc -105.9 | Preferred for body text |
| Black text on #370D22 | 1.24:1 | Fails | Lc 0.0 | Not readable |
| #370D22 text on white | 16.89:1 | AAA | Lc 103.4 | Preferred for body text |
| #370D22 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
#FCF2F6
oklch(97% 0.012 351)
-
Step 100
100
#F8E4EB
oklch(93.7% 0.024 354.3)
-
Step 200
200
#F3CDDC
oklch(88.5% 0.047 352.4)
-
Step 300
300
#EDAAC5
oklch(80.9% 0.085 353.3)
-
Step 400
400
#E07BA8
oklch(70.7% 0.135 353)
-
Step 500
500
#D45493
oklch(63% 0.173 352.6)
-
Step 600
600
#BF337D
oklch(55.5% 0.188 352.7)
-
Step 700
700
#A52469
oklch(49.2% 0.175 353.2)
-
Step 800
800
#862156
oklch(42.8% 0.145 353)
-
Step 900
900
#6C2247
oklch(37.8% 0.112 352.9)
-
Step 950
950 (this color)
#370D22
oklch(23.9% 0.072 352.9)
#370D22 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) | #141823 | 0.078 |
| Deuteranopia (no green cones) | #1F2021 | 0.072 |
| Tritanopia (no blue cones) | #3C0A16 | 0.024 |
| Achromatopsia (no color) | #1D1D1D | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #370D22
#370D22
oklch(23.9% 0.072 352.9)
- #00261D
#00261D
oklch(23.9% 0.046 173)
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 #370D22, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Plum #3F012C ΔE 0.035
- Aubergine #3D0734 ΔE 0.040
- Eggplant #380835 ΔE 0.040
- Dark Maroon #3C0008 ΔE 0.045
- Deep Brown #410200 ΔE 0.058
- Dark Purple #35063E ΔE 0.059
- Very Dark Purple #2A0134 ΔE 0.063
- Deep Purple #36013F ΔE 0.065
Use #370D22 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.