#37210D
Closest named color: Dark Brown (#341C02). oklch(27.1% 0.046 61), rgb(55, 33, 13).
Aa
White text reads best on this color (15.15:1).
About this color
#37210D is a dark, muted brown. In OKLCH its lightness is 27%, its chroma 0.046 and its hue 61°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.020 away. White text reads best on it, at 15.15:1.
| Hue family | Browns |
| Lightness | dark (27%) |
| Chroma | muted (0.046) |
| Temperature | warm |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.38:1 |
| White text | 15.15:1 |
Values
| HEX | #37210D |
| RGB | rgb(55, 33, 13) |
| HSL | hsl(29, 62%, 13%) |
| OKLCH | oklch(27.1% 0.046 61) |
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 #37210D | 15.15:1 | AAA | Lc -104.7 | Preferred for body text |
| Black text on #37210D | 1.38:1 | Fails | Lc 0.0 | Not readable |
| #37210D text on white | 15.15:1 | AAA | Lc 101.9 | Preferred for body text |
| #37210D text on black | 1.38:1 | 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
#F9F4F1
oklch(97% 0.007 53.4)
-
Step 100
100
#F2E8DF
oklch(93.6% 0.016 64.7)
-
Step 200
200
#E9D5C5
oklch(88.5% 0.031 61.1)
-
Step 300
300
#DCB99D
oklch(80.9% 0.056 60.6)
-
Step 400
400
#C99467
oklch(70.7% 0.088 61)
-
Step 500
500
#BA783B
oklch(63.1% 0.113 61)
-
Step 600
600
#A56013
oklch(55.6% 0.122 61.5)
-
Step 700
700
#8E4F01
oklch(49.2% 0.114 61.1)
-
Step 800
800
#734109
oklch(42.7% 0.094 61.3)
-
Step 900
900
#5D3713
oklch(37.6% 0.073 60.5)
-
Step 950
950 (this color)
#37210D
oklch(27.1% 0.046 61)
#37210D 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) | #28230B | 0.032 |
| Deuteranopia (no green cones) | #2D280D | 0.029 |
| Tritanopia (no blue cones) | #3D1C1C | 0.034 |
| Achromatopsia (no color) | #262626 | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37210D
#37210D
oklch(27.1% 0.046 61)
- #0F293B
#0F293B
oklch(27% 0.046 241.6)
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 #37210D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.020
- Chocolate Brown #411900 ΔE 0.028
- Jet #212529 ΔE 0.057
- Deep Brown #410200 ΔE 0.068
- Pakistan Green #283618 ΔE 0.069
- Mahogany #4A0100 ΔE 0.070
- Dark #1B2431 ΔE 0.075
- Dark Maroon #3C0008 ΔE 0.078
Use #37210D 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.