#37120A
Closest named color: Deep Brown (#410200). oklch(24% 0.061 33.8), rgb(55, 18, 10).
Aa
White text reads best on this color (16.75:1).
About this color
#37120A is a very dark, muted red. In OKLCH its lightness is 24%, its chroma 0.061 and its hue 34°. 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 16.75:1.
| Hue family | Reds |
| Lightness | very dark (24%) |
| Chroma | muted (0.061) |
| Temperature | warm |
| Nearest name | Deep Brown (#410200) |
| Black text | 1.25:1 |
| White text | 16.75:1 |
Values
| HEX | #37120A |
| RGB | rgb(55, 18, 10) |
| HSL | hsl(11, 69%, 13%) |
| OKLCH | oklch(24% 0.061 33.8) |
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 #37120A | 16.75:1 | AAA | Lc -105.8 | Preferred for body text |
| Black text on #37120A | 1.25:1 | Fails | Lc 0.0 | Not readable |
| #37120A text on white | 16.75:1 | AAA | Lc 103.4 | Preferred for body text |
| #37120A 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
#FCF3F1
oklch(97.1% 0.01 32.5)
-
Step 100
100
#F8E5E1
oklch(93.6% 0.022 31.8)
-
Step 200
200
#F3D0C8
oklch(88.5% 0.041 33)
-
Step 300
300
#ECB0A2
oklch(80.9% 0.073 33.5)
-
Step 400
400
#DF8470
oklch(70.6% 0.117 33.3)
-
Step 500
500
#D46249
oklch(63.1% 0.15 33.8)
-
Step 600
600
#BF452B
oklch(55.5% 0.162 33.7)
-
Step 700
700
#A5361E
oklch(49.2% 0.151 33.8)
-
Step 800
800
#862E1B
oklch(42.8% 0.125 33.8)
-
Step 900
900
#6C2A1C
oklch(37.7% 0.098 33.6)
-
Step 950
950 (this color)
#37120A
oklch(24% 0.061 33.8)
#37120A 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) | #1C1909 | 0.062 |
| Deuteranopia (no green cones) | #252109 | 0.058 |
| Tritanopia (no blue cones) | #3D0A10 | 0.025 |
| Achromatopsia (no color) | #1E1E1E | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37120A
#37120A
oklch(24% 0.061 33.8)
- #00242B
#00242B
oklch(23.9% 0.042 213.5)
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 #37120A, 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 Brown #341C02 ΔE 0.034
- Chocolate Brown #411900 ΔE 0.036
- Dark Maroon #3C0008 ΔE 0.037
- Mahogany #4A0100 ΔE 0.047
- Jet #212529 ΔE 0.073
- Dark Plum #3F012C ΔE 0.078
- Aubergine #3D0734 ΔE 0.085
Use #37120A 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.