#370902
Closest named color: Deep Brown (#410200). oklch(22.5% 0.075 33.9), rgb(55, 9, 2).
Aa
White text reads best on this color (17.46:1).
About this color
#370902 is a very dark, moderately saturated red. In OKLCH its lightness is 22%, its chroma 0.075 and its hue 34°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Brown (#410200), ΔE 0.024 away. White text reads best on it, at 17.46:1.
| Hue family | Reds |
| Lightness | very dark (22%) |
| Chroma | moderately saturated (0.075) |
| Temperature | warm |
| Nearest name | Deep Brown (#410200) |
| Black text | 1.20:1 |
| White text | 17.46:1 |
Values
| HEX | #370902 |
| RGB | rgb(55, 9, 2) |
| HSL | hsl(8, 93%, 11%) |
| OKLCH | oklch(22.5% 0.075 33.9) |
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 #370902 | 17.46:1 | AAA | Lc -106.1 | Preferred for body text |
| Black text on #370902 | 1.20:1 | Fails | Lc 0.0 | Not readable |
| #370902 text on white | 17.46:1 | AAA | Lc 103.7 | Preferred for body text |
| #370902 text on black | 1.20:1 | 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
#FDF3F0
oklch(97.1% 0.012 37.4)
-
Step 100
100
#FAE4DF
oklch(93.5% 0.025 32.9)
-
Step 200
200
#F8CEC4
oklch(88.5% 0.05 33.6)
-
Step 300
300
#F4AC9B
oklch(80.9% 0.089 33.8)
-
Step 400
400
#EB7D64
oklch(70.8% 0.141 33.9)
-
Step 500
500
#E15536
oklch(63.1% 0.181 34)
-
Step 600
600
#CD3207
oklch(55.7% 0.197 34)
-
Step 700
700
#AE2600
oklch(49% 0.177 33.9)
-
Step 800
800
#8F1F03
oklch(42.6% 0.151 33.8)
-
Step 900
900
#73220F
oklch(37.7% 0.118 34.3)
-
Step 950
950 (this color)
#370902
oklch(22.5% 0.075 33.9)
#370902 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) | #171301 | 0.078 |
| Deuteranopia (no green cones) | #221D01 | 0.070 |
| Tritanopia (no blue cones) | #3E0007 | 0.025 |
| Achromatopsia (no color) | #1A1A1A | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #370902
#370902
oklch(22.5% 0.075 33.9)
- #002027
#002027
oklch(22.4% 0.04 215)
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 #370902, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Brown #410200 ΔE 0.024
- Dark Maroon #3C0008 ΔE 0.025
- Mahogany #4A0100 ΔE 0.045
- Dark Brown #341C02 ΔE 0.049
- Chocolate Brown #411900 ΔE 0.049
- Very Dark Brown #1D0200 ΔE 0.077
- Dark Plum #3F012C ΔE 0.081
- Jet #212529 ΔE 0.091
Use #370902 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.