#803437
Closest named color: Red Brown (#8B2E16). oklch(43.1% 0.105 20.2), rgb(128, 52, 55).
Aa
White text reads best on this color (8.52:1).
About this color
#803437 is a dark, moderately saturated red. In OKLCH its lightness is 43%, its chroma 0.105 and its hue 20°. Its hue sits on the warm side of the wheel. The nearest named color is Red Brown (#8B2E16), ΔE 0.041 away. White text reads best on it, at 8.52:1.
| Hue family | Reds |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.105) |
| Temperature | warm |
| Nearest name | Red Brown (#8B2E16) |
| Black text | 2.46:1 |
| White text | 8.52:1 |
Values
| HEX | #803437 |
| RGB | rgb(128, 52, 55) |
| HSL | hsl(358, 42%, 35%) |
| OKLCH | oklch(43.1% 0.105 20.2) |
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 #803437 | 8.52:1 | AAA | Lc -93.3 | Preferred for body text |
| Black text on #803437 | 2.46:1 | Fails | Lc 15.2 | Dividers and decoration only |
| #803437 text on white | 8.52:1 | AAA | Lc 88.8 | Fine for body text |
| #803437 text on black | 2.46:1 | Fails | Lc -13.4 | 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 800.
-
Step 50
50
#FBF3F3
oklch(97% 0.009 17.3)
-
Step 100
100
#F6E5E5
oklch(93.5% 0.019 17.5)
-
Step 200
200
#EFD1D0
oklch(88.5% 0.034 20.1)
-
Step 300
300
#E6B1B0
oklch(80.8% 0.062 19.8)
-
Step 400
400
#D78787
oklch(70.6% 0.099 19.8)
-
Step 500
500
#CA6769
oklch(63% 0.126 20.1)
-
Step 600
600
#B64C51
oklch(55.6% 0.138 19.9)
-
Step 700
700
#9C3D41
oklch(49.1% 0.127 20.5)
-
Step 800
800 (this color)
#803437
oklch(43.1% 0.105 20.2)
-
Step 900
900
#662D2F
oklch(37.6% 0.082 19.7)
-
Step 950
950
#3C1B1C
oklch(27% 0.052 19.2)
#803437 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) | #464337 | 0.113 |
| Deuteranopia (no green cones) | #595235 | 0.104 |
| Tritanopia (no blue cones) | #8C2736 | 0.031 |
| Achromatopsia (no color) | #4C4C4C | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #803437
#803437
oklch(43.1% 0.105 20.2)
- #005C60
#005C60
oklch(43.2% 0.073 200)
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 #803437, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Brown #8B2E16 ΔE 0.041
- Brownish Purple #76424E ΔE 0.042
- Purple Brown #673A3F ΔE 0.050
- Rust Brown #8B3103 ΔE 0.051
- Brown Red #922B05 ΔE 0.055
- Auburn #9B2226 ΔE 0.057
- Brick Red #8F1402 ΔE 0.061
- Chestnut #742802 ΔE 0.062
Use #803437 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.