#A04B27
Closest named color: Sienna (#A0522D). oklch(51.4% 0.123 42.2), rgb(160, 75, 39).
Aa
White text reads best on this color (5.94:1).
About this color
#A04B27 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 51%, its chroma 0.123 and its hue 42°. Its hue sits on the warm side of the wheel. The nearest named color is Sienna (#A0522D), ΔE 0.016 away. White text reads best on it, at 5.94:1.
| Hue family | Browns |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.123) |
| Temperature | warm |
| Nearest name | Sienna (#A0522D) |
| Black text | 3.53:1 |
| White text | 5.94:1 |
Values
| HEX | #A04B27 |
| RGB | rgb(160, 75, 39) |
| HSL | hsl(18, 61%, 39%) |
| OKLCH | oklch(51.4% 0.123 42.2) |
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 #A04B27 | 5.94:1 | AA | Lc -84.4 | Fine for body text |
| Black text on #A04B27 | 3.53:1 | AA large text | Lc 24.9 | Dividers and decoration only |
| #A04B27 text on white | 5.94:1 | AA | Lc 79.2 | Fine for body text |
| #A04B27 text on black | 3.53:1 | AA large text | Lc -22.6 | 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
#FAF4F1
oklch(97.1% 0.008 48.7)
-
Step 100
100
#F5E6E1
oklch(93.5% 0.018 39.4)
-
Step 200
200
#EDD3C8
oklch(88.5% 0.033 44.3)
-
Step 300
300
#E3B5A3
oklch(81% 0.059 42.4)
-
Step 400
400
#D38D71
oklch(70.7% 0.095 42.6)
-
Step 500
500
#C66E4B
oklch(63% 0.122 42)
-
Step 600
600
#B2542D
oklch(55.6% 0.133 41.8)
-
Step 700
700 (this color)
#A04B27
oklch(51.4% 0.123 42.2)
-
Step 800
800
#7C391C
oklch(42.8% 0.102 42.5)
-
Step 900
900
#64311D
oklch(37.6% 0.08 41.5)
-
Step 950
950
#3B1D12
oklch(27% 0.051 40.6)
#A04B27 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) | #625823 | 0.117 |
| Deuteranopia (no green cones) | #776B25 | 0.107 |
| Tritanopia (no blue cones) | #B03943 | 0.062 |
| Achromatopsia (no color) | #646464 | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A04B27
#A04B27
oklch(51.4% 0.123 42.2)
- #00738E
#00738E
oklch(51.5% 0.095 221.6)
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 #A04B27, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sienna #A0522D ΔE 0.016
- Burnt Umber #A0450E ΔE 0.018
- Cinnamon #AC4F06 ΔE 0.033
- Warm Brown #964E02 ΔE 0.033
- Russet #A13905 ΔE 0.037
- Brick #A03623 ΔE 0.043
- Sepia #985E2B ΔE 0.046
- Saddle Brown #8B4513 ΔE 0.048
Use #A04B27 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.