#370703
Closest named color: Dark Maroon (#3C0008). oklch(22.2% 0.077 30.9), rgb(55, 7, 3).
Aa
White text reads best on this color (17.58:1).
About this color
#370703 is a very dark, moderately saturated red. In OKLCH its lightness is 22%, its chroma 0.077 and its hue 31°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.021 away. White text reads best on it, at 17.58:1.
| Hue family | Reds |
| Lightness | very dark (22%) |
| Chroma | moderately saturated (0.077) |
| Temperature | warm |
| Nearest name | Dark Maroon (#3C0008) |
| Black text | 1.19:1 |
| White text | 17.58:1 |
Values
| HEX | #370703 |
| RGB | rgb(55, 7, 3) |
| HSL | hsl(5, 90%, 11%) |
| OKLCH | oklch(22.2% 0.077 30.9) |
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 #370703 | 17.58:1 | AAA | Lc -106.2 | Preferred for body text |
| Black text on #370703 | 1.19:1 | Fails | Lc 0.0 | Not readable |
| #370703 text on white | 17.58:1 | AAA | Lc 103.8 | Preferred for body text |
| #370703 text on black | 1.19:1 | 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
#FEF3F1
oklch(97.2% 0.012 29.9)
-
Step 100
100
#FBE4DF
oklch(93.6% 0.026 32.2)
-
Step 200
200
#F9CEC5
oklch(88.6% 0.05 31.8)
-
Step 300
300
#F5AB9D
oklch(80.8% 0.09 31)
-
Step 400
400
#ED7A67
oklch(70.7% 0.146 30.8)
-
Step 500
500
#E3513D
oklch(63% 0.185 30.7)
-
Step 600
600
#CF2C17
oklch(55.6% 0.201 31)
-
Step 700
700
#B31A06
oklch(49.2% 0.188 30.8)
-
Step 800
800
#911B0C
oklch(42.7% 0.155 30.9)
-
Step 900
900
#741F14
oklch(37.6% 0.121 30.7)
-
Step 950
950 (this color)
#370703
oklch(22.2% 0.077 30.9)
#370703 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) | #161202 | 0.081 |
| Deuteranopia (no green cones) | #221D02 | 0.073 |
| Tritanopia (no blue cones) | #3E0006 | 0.021 |
| Achromatopsia (no color) | #191919 | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #370703
#370703
oklch(22.2% 0.077 30.9)
- #002025
#002025
oklch(22.3% 0.039 209.5)
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 #370703, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Maroon #3C0008 ΔE 0.021
- Deep Brown #410200 ΔE 0.024
- Mahogany #4A0100 ΔE 0.045
- Chocolate Brown #411900 ΔE 0.053
- Dark Brown #341C02 ΔE 0.054
- Very Dark Brown #1D0200 ΔE 0.075
- Dark Plum #3F012C ΔE 0.078
- Aubergine #3D0734 ΔE 0.089
Use #370703 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.