#370F25
Closest named color: Dark Plum (#3F012C). oklch(24.4% 0.07 349.5), rgb(55, 15, 37).
Aa
White text reads best on this color (16.69:1).
About this color
#370F25 is a very dark, muted red. In OKLCH its lightness is 24%, its chroma 0.070 and its hue 349°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Plum (#3F012C), ΔE 0.034 away. White text reads best on it, at 16.69:1.
| Hue family | Reds |
| Lightness | very dark (24%) |
| Chroma | muted (0.070) |
| Temperature | warm |
| Nearest name | Dark Plum (#3F012C) |
| Black text | 1.25:1 |
| White text | 16.69:1 |
Values
| HEX | #370F25 |
| RGB | rgb(55, 15, 37) |
| HSL | hsl(327, 57%, 14%) |
| OKLCH | oklch(24.4% 0.07 349.5) |
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 #370F25 | 16.69:1 | AAA | Lc -105.8 | Preferred for body text |
| Black text on #370F25 | 1.25:1 | Fails | Lc 0.0 | Not readable |
| #370F25 text on white | 16.69:1 | AAA | Lc 103.3 | Preferred for body text |
| #370F25 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
#FCF3F6
oklch(97.2% 0.01 354.9)
-
Step 100
100
#F7E4EC
oklch(93.6% 0.023 350.1)
-
Step 200
200
#F2CDDE
oklch(88.5% 0.047 348.7)
-
Step 300
300
#EAABC9
oklch(80.9% 0.083 349)
-
Step 400
400
#DD7CAD
oklch(70.7% 0.133 349.4)
-
Step 500
500
#D15799
oklch(63.2% 0.169 349.4)
-
Step 600
600
#BC3783
oklch(55.6% 0.184 349.6)
-
Step 700
700
#A1286F
oklch(49% 0.171 349.3)
-
Step 800
800
#83235A
oklch(42.6% 0.142 349.6)
-
Step 900
900
#6A234A
oklch(37.7% 0.111 349.7)
-
Step 950
950 (this color)
#370F25
oklch(24.4% 0.07 349.5)
#370F25 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) | #141926 | 0.077 |
| Deuteranopia (no green cones) | #1F2024 | 0.068 |
| Tritanopia (no blue cones) | #3B0D18 | 0.026 |
| Achromatopsia (no color) | #1E1E1E | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #370F25
#370F25
oklch(24.4% 0.07 349.5)
- #00271C
#00271C
oklch(24.2% 0.048 169.5)
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 #370F25, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Plum #3F012C ΔE 0.034
- Aubergine #3D0734 ΔE 0.036
- Eggplant #380835 ΔE 0.037
- Dark Maroon #3C0008 ΔE 0.051
- Dark Purple #35063E ΔE 0.055
- Deep Purple #36013F ΔE 0.062
- Eggplant Purple #430541 ΔE 0.062
- Deep Brown #410200 ΔE 0.062
Use #370F25 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.