#803F37
Closest named color: Brownish Purple (#76424E). oklch(44.9% 0.091 28.5), rgb(128, 63, 55).
Aa
White text reads best on this color (7.82:1).
About this color
#803F37 is a dark, moderately saturated red. In OKLCH its lightness is 45%, its chroma 0.091 and its hue 28°. Its hue sits on the warm side of the wheel. The nearest named color is Brownish Purple (#76424E), ΔE 0.037 away. White text reads best on it, at 7.82:1.
| Hue family | Reds |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.091) |
| Temperature | warm |
| Nearest name | Brownish Purple (#76424E) |
| Black text | 2.68:1 |
| White text | 7.82:1 |
Values
| HEX | #803F37 |
| RGB | rgb(128, 63, 55) |
| HSL | hsl(7, 40%, 36%) |
| OKLCH | oklch(44.9% 0.091 28.5) |
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 #803F37 | 7.82:1 | AAA | Lc -91.5 | Preferred for body text |
| Black text on #803F37 | 2.68:1 | Fails | Lc 17.2 | Dividers and decoration only |
| #803F37 text on white | 7.82:1 | AAA | Lc 86.8 | Fine for body text |
| #803F37 text on black | 2.68:1 | Fails | Lc -15.3 | Dividers and decoration only |
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 800.
-
Step 50
50
#FAF4F3
oklch(97.2% 0.007 28.8)
-
Step 100
100
#F4E6E4
oklch(93.5% 0.016 27.3)
-
Step 200
200
#ECD2CE
oklch(88.4% 0.03 28.1)
-
Step 300
300
#E1B4AD
oklch(80.8% 0.054 28.5)
-
Step 400
400
#D18C82
oklch(70.7% 0.086 28.5)
-
Step 500
500
#C36E63
oklch(63.1% 0.11 28.3)
-
Step 600
600
#AE554A
oklch(55.6% 0.119 28.7)
-
Step 700
700
#95453B
oklch(49.1% 0.11 28.9)
-
Step 800
800 (this color)
#803F37
oklch(44.9% 0.091 28.5)
-
Step 900
900
#62322B
oklch(37.8% 0.071 29.5)
-
Step 950
950
#3A1D1A
oklch(27% 0.046 26.8)
#803F37 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) | #4F4A36 | 0.094 |
| Deuteranopia (no green cones) | #5F5736 | 0.086 |
| Tritanopia (no blue cones) | #8C353D | 0.034 |
| Achromatopsia (no color) | #525252 | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #803F37
#803F37
oklch(44.9% 0.091 28.5)
- #00606B
#00606B
oklch(44.7% 0.077 208.4)
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 #803F37, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brownish Purple #76424E ΔE 0.037
- Red Brown #8B2E16 ΔE 0.044
- Rust Brown #8B3103 ΔE 0.048
- Saddle Brown #8B4513 ΔE 0.050
- Purple Brown #673A3F ΔE 0.055
- Brown Red #922B05 ΔE 0.056
- Milk Chocolate #7F4E1E ΔE 0.056
- Brick #A03623 ΔE 0.064
Use #803F37 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.