#A7531D
Closest named color: Cinnamon (#AC4F06). oklch(53.7% 0.128 49), rgb(167, 83, 29).
Aa
White text reads best on this color (5.38:1).
About this color
#A7531D is a medium-dark, moderately saturated brown. In OKLCH its lightness is 54%, its chroma 0.128 and its hue 49°. Its hue sits on the warm side of the wheel. The nearest named color is Cinnamon (#AC4F06), ΔE 0.013 away. White text reads best on it, at 5.38:1.
| Hue family | Browns |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.128) |
| Temperature | warm |
| Nearest name | Cinnamon (#AC4F06) |
| Black text | 3.89:1 |
| White text | 5.38:1 |
Values
| HEX | #A7531D |
| RGB | rgb(167, 83, 29) |
| HSL | hsl(23, 70%, 38%) |
| OKLCH | oklch(53.7% 0.128 49) |
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 #A7531D | 5.38:1 | AA | Lc -81.7 | Fine for body text |
| Black text on #A7531D | 3.89:1 | AA large text | Lc 27.7 | Dividers and decoration only |
| #A7531D text on white | 5.38:1 | AA | Lc 76.3 | Fine for body text |
| #A7531D text on black | 3.89:1 | AA large text | Lc -25.4 | 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 600.
-
Step 50
50
#FAF4F1
oklch(97.1% 0.008 48.7)
-
Step 100
100
#F4E7E0
oklch(93.6% 0.017 50.4)
-
Step 200
200
#ECD3C7
oklch(88.4% 0.032 47.3)
-
Step 300
300
#E0B6A0
oklch(80.8% 0.058 49.1)
-
Step 400
400
#D08F6D
oklch(70.7% 0.092 48.4)
-
Step 500
500
#C27245
oklch(63.1% 0.118 48.9)
-
Step 600
600 (this color)
#A7531D
oklch(53.7% 0.128 49)
-
Step 700
700
#954816
oklch(49.1% 0.119 48.8)
-
Step 800
800
#793C16
oklch(42.8% 0.098 49)
-
Step 900
900
#623419
oklch(37.8% 0.077 49.2)
-
Step 950
950
#391F10
oklch(27% 0.048 49.7)
#A7531D 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) | #6B5F15 | 0.113 |
| Deuteranopia (no green cones) | #7F721B | 0.103 |
| Tritanopia (no blue cones) | #B74048 | 0.075 |
| Achromatopsia (no color) | #6A6A6A | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A7531D
#A7531D
oklch(53.7% 0.128 49)
- #00789E
#00789E
oklch(53.6% 0.106 229.1)
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 #A7531D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cinnamon #AC4F06 ΔE 0.013
- Sienna #A0522D ΔE 0.019
- Burnt Siena #B75203 ΔE 0.031
- Raw Umber #A75E09 ΔE 0.031
- Sepia #985E2B ΔE 0.034
- Burnt Umber #A0450E ΔE 0.035
- Warm Brown #964E02 ΔE 0.039
- Orangey Brown #B16002 ΔE 0.042
Use #A7531D 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.