#37201A
Closest named color: Dark Brown (#341C02). oklch(27.2% 0.038 35.3), rgb(55, 32, 26).
Aa
White text reads best on this color (15.17:1).
About this color
#37201A is a dark, muted red. In OKLCH its lightness is 27%, its chroma 0.038 and its hue 35°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.033 away. White text reads best on it, at 15.17:1.
| Hue family | Reds |
| Lightness | dark (27%) |
| Chroma | muted (0.038) |
| Temperature | warm |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.38:1 |
| White text | 15.17:1 |
Values
| HEX | #37201A |
| RGB | rgb(55, 32, 26) |
| HSL | hsl(12, 36%, 16%) |
| OKLCH | oklch(27.2% 0.038 35.3) |
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 #37201A | 15.17:1 | AAA | Lc -104.7 | Preferred for body text |
| Black text on #37201A | 1.38:1 | Fails | Lc 0.0 | Not readable |
| #37201A text on white | 15.17:1 | AAA | Lc 102.0 | Preferred for body text |
| #37201A 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
#F9F4F3
oklch(97.1% 0.006 31.1)
-
Step 100
100
#F2E7E4
oklch(93.6% 0.013 35.7)
-
Step 200
200
#E9D4CE
oklch(88.5% 0.025 36.5)
-
Step 300
300
#DCB7AD
oklch(80.9% 0.045 35.6)
-
Step 400
400
#C99182
oklch(70.7% 0.072 35.6)
-
Step 500
500
#BA7563
oklch(63.1% 0.092 35.4)
-
Step 600
600
#A55D4A
oklch(55.7% 0.099 35.7)
-
Step 700
700
#8D4C3B
oklch(49.1% 0.092 35.6)
-
Step 800
800
#733F31
oklch(42.8% 0.077 36)
-
Step 900
900
#5D362B
oklch(37.8% 0.059 36.5)
-
Step 950
950 (this color)
#37201A
oklch(27.2% 0.038 35.3)
#37201A 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) | #25231A | 0.037 |
| Deuteranopia (no green cones) | #2B281A | 0.034 |
| Tritanopia (no blue cones) | #3C1D1E | 0.017 |
| Achromatopsia (no color) | #262626 | 0.038 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37201A
#37201A
oklch(27.2% 0.038 35.3)
- #0D2B32
#0D2B32
oklch(27% 0.037 215.6)
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 #37201A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.033
- Chocolate Brown #411900 ΔE 0.037
- Jet #212529 ΔE 0.047
- Dark #1B2431 ΔE 0.063
- Deep Brown #410200 ΔE 0.066
- Mahogany #4A0100 ΔE 0.068
- Dark Maroon #3C0008 ΔE 0.072
- Space Cadet #2B2D42 ΔE 0.072
Use #37201A 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.