#37110D
Closest named color: Deep Brown (#410200). oklch(23.9% 0.062 28.6), rgb(55, 17, 13).
Aa
White text reads best on this color (16.82:1).
About this color
#37110D is a very dark, muted red. In OKLCH its lightness is 24%, its chroma 0.062 and its hue 29°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Brown (#410200), ΔE 0.033 away. White text reads best on it, at 16.82:1.
| Hue family | Reds |
| Lightness | very dark (24%) |
| Chroma | muted (0.062) |
| Temperature | warm |
| Nearest name | Deep Brown (#410200) |
| Black text | 1.24:1 |
| White text | 16.82:1 |
Values
| HEX | #37110D |
| RGB | rgb(55, 17, 13) |
| HSL | hsl(6, 62%, 13%) |
| OKLCH | oklch(23.9% 0.062 28.6) |
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 #37110D | 16.82:1 | AAA | Lc -105.9 | Preferred for body text |
| Black text on #37110D | 1.24:1 | Fails | Lc 0.0 | Not readable |
| #37110D text on white | 16.82:1 | AAA | Lc 103.4 | Preferred for body text |
| #37110D 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
#FCF3F2
oklch(97.1% 0.01 25.1)
-
Step 100
100
#F8E5E2
oklch(93.6% 0.021 28.3)
-
Step 200
200
#F3D0CA
oklch(88.6% 0.04 29.4)
-
Step 300
300
#ECAFA6
oklch(80.8% 0.073 28.3)
-
Step 400
400
#E08376
oklch(70.7% 0.117 28.8)
-
Step 500
500
#D56053
oklch(63.1% 0.15 28.5)
-
Step 600
600
#C04337
oklch(55.6% 0.163 28.8)
-
Step 700
700
#A5332A
oklch(49% 0.151 28.4)
-
Step 800
800
#862C24
oklch(42.7% 0.125 28.5)
-
Step 900
900
#6C2922
oklch(37.7% 0.097 28.5)
-
Step 950
950 (this color)
#37110D
oklch(23.9% 0.062 28.6)
#37110D 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) | #1B180C | 0.065 |
| Deuteranopia (no green cones) | #24200C | 0.059 |
| Tritanopia (no blue cones) | #3D0910 | 0.022 |
| Achromatopsia (no color) | #1D1D1D | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37110D
#37110D
oklch(23.9% 0.062 28.6)
- #002429
#002429
oklch(23.8% 0.041 208.4)
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 #37110D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Brown #410200 ΔE 0.033
- Dark Maroon #3C0008 ΔE 0.033
- Dark Brown #341C02 ΔE 0.039
- Chocolate Brown #411900 ΔE 0.040
- Mahogany #4A0100 ΔE 0.047
- Dark Plum #3F012C ΔE 0.073
- Jet #212529 ΔE 0.073
- Aubergine #3D0734 ΔE 0.080
Use #37110D 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.