#A04F37
Closest named color: Sienna (#A0522D). oklch(52.3% 0.114 37.3), rgb(160, 79, 55).
Aa
White text reads best on this color (5.72:1).
About this color
#A04F37 is a medium-dark, moderately saturated red. In OKLCH its lightness is 52%, its chroma 0.114 and its hue 37°. Its hue sits on the warm side of the wheel. The nearest named color is Sienna (#A0522D), ΔE 0.015 away. White text reads best on it, at 5.72:1.
| Hue family | Reds |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.114) |
| Temperature | warm |
| Nearest name | Sienna (#A0522D) |
| Black text | 3.66:1 |
| White text | 5.72:1 |
Values
| HEX | #A04F37 |
| RGB | rgb(160, 79, 55) |
| HSL | hsl(14, 49%, 42%) |
| OKLCH | oklch(52.3% 0.114 37.3) |
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 #A04F37 | 5.72:1 | AA | Lc -83.5 | Fine for body text |
| Black text on #A04F37 | 3.66:1 | AA large text | Lc 25.9 | Dividers and decoration only |
| #A04F37 text on white | 5.72:1 | AA | Lc 78.2 | Fine for body text |
| #A04F37 text on black | 3.66:1 | AA large text | Lc -23.6 | 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 700.
-
Step 50
50
#FAF4F2
oklch(97.1% 0.007 39.5)
-
Step 100
100
#F4E6E2
oklch(93.5% 0.016 36.5)
-
Step 200
200
#ECD3CB
oklch(88.5% 0.03 38.6)
-
Step 300
300
#E1B5A8
oklch(80.9% 0.055 37.1)
-
Step 400
400
#D18D79
oklch(70.7% 0.088 37.1)
-
Step 500
500
#C36F57
oklch(63% 0.113 36.8)
-
Step 600
600
#AE563C
oklch(55.5% 0.122 37.3)
-
Step 700
700 (this color)
#A04F37
oklch(52.3% 0.114 37.3)
-
Step 800
800
#7A3A27
oklch(42.8% 0.095 37.3)
-
Step 900
900
#623224
oklch(37.6% 0.073 37.1)
-
Step 950
950
#3A1E16
oklch(27.1% 0.046 36.8)
#A04F37 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) | #645B35 | 0.111 |
| Deuteranopia (no green cones) | #786D35 | 0.103 |
| Tritanopia (no blue cones) | #AF4049 | 0.052 |
| Achromatopsia (no color) | #666666 | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A04F37
#A04F37
oklch(52.3% 0.114 37.3)
- #00768D
#00768D
oklch(52.2% 0.094 217.7)
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 #A04F37, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sienna #A0522D ΔE 0.015
- Burnt Umber #A0450E ΔE 0.034
- Cinnamon #AC4F06 ΔE 0.040
- Sepia #985E2B ΔE 0.045
- Warm Brown #964E02 ΔE 0.045
- Russet #A13905 ΔE 0.050
- Brick #A03623 ΔE 0.050
- Light Maroon #A24857 ΔE 0.052
Use #A04F37 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.