#37211A
Closest named color: Dark Brown (#341C02). oklch(27.4% 0.037 38.4), rgb(55, 33, 26).
Aa
White text reads best on this color (15.05:1).
About this color
#37211A is a dark, muted red. In OKLCH its lightness is 27%, its chroma 0.037 and its hue 38°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.034 away. White text reads best on it, at 15.05:1.
| Hue family | Reds |
| Lightness | dark (27%) |
| Chroma | muted (0.037) |
| Temperature | warm |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.39:1 |
| White text | 15.05:1 |
Values
| HEX | #37211A |
| RGB | rgb(55, 33, 26) |
| HSL | hsl(14, 36%, 16%) |
| OKLCH | oklch(27.4% 0.037 38.4) |
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 #37211A | 15.05:1 | AAA | Lc -104.6 | Preferred for body text |
| Black text on #37211A | 1.39:1 | Fails | Lc 0.0 | Not readable |
| #37211A text on white | 15.05:1 | AAA | Lc 101.9 | Preferred for body text |
| #37211A text on black | 1.39:1 | 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
#E8D4CE
oklch(88.5% 0.024 37.4)
-
Step 300
300
#DBB8AD
oklch(81% 0.043 38.2)
-
Step 400
400
#C79281
oklch(70.7% 0.069 38.5)
-
Step 500
500
#B87661
oklch(63% 0.089 38.4)
-
Step 600
600
#A35E48
oklch(55.6% 0.097 38.4)
-
Step 700
700
#8C4D3A
oklch(49.1% 0.09 37.6)
-
Step 800
800
#714030
oklch(42.7% 0.073 38.8)
-
Step 900
900
#5C362A
oklch(37.6% 0.059 38.3)
-
Step 950
950 (this color)
#37211A
oklch(27.4% 0.037 38.4)
#37211A 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) | #262419 | 0.035 |
| Deuteranopia (no green cones) | #2C281A | 0.031 |
| Tritanopia (no blue cones) | #3C1E1F | 0.018 |
| Achromatopsia (no color) | #262626 | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37211A
#37211A
oklch(27.4% 0.037 38.4)
- #0F2C33
#0F2C33
oklch(27.4% 0.037 216)
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 #37211A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.034
- Chocolate Brown #411900 ΔE 0.037
- Jet #212529 ΔE 0.047
- Dark #1B2431 ΔE 0.063
- Deep Brown #410200 ΔE 0.068
- Mahogany #4A0100 ΔE 0.070
- Space Cadet #2B2D42 ΔE 0.071
- Oxford Blue #1B263B ΔE 0.073
Use #37211A 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.