#A7543F
Closest named color: Sienna (#A0522D). oklch(54.3% 0.114 35.3), rgb(167, 84, 63).
Aa
White text reads best on this color (5.27:1).
About this color
#A7543F is a medium-dark, moderately saturated red. In OKLCH its lightness is 54%, its chroma 0.114 and its hue 35°. Its hue sits on the warm side of the wheel. The nearest named color is Sienna (#A0522D), ΔE 0.025 away. White text reads best on it, at 5.27:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.114) |
| Temperature | warm |
| Nearest name | Sienna (#A0522D) |
| Black text | 3.98:1 |
| White text | 5.27:1 |
Values
| HEX | #A7543F |
| RGB | rgb(167, 84, 63) |
| HSL | hsl(12, 45%, 45%) |
| OKLCH | oklch(54.3% 0.114 35.3) |
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 #A7543F | 5.27:1 | AA | Lc -81.1 | Fine for body text |
| Black text on #A7543F | 3.98:1 | AA large text | Lc 28.3 | Dividers and decoration only |
| #A7543F text on white | 5.27:1 | AA | Lc 75.8 | Fine for body text |
| #A7543F text on black | 3.98:1 | AA large text | Lc -26.0 | 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
#FAF4F2
oklch(97.1% 0.007 39.5)
-
Step 100
100
#F4E7E3
oklch(93.7% 0.015 37.9)
-
Step 200
200
#EBD3CD
oklch(88.5% 0.028 34.3)
-
Step 300
300
#E0B5AA
oklch(80.8% 0.053 34.7)
-
Step 400
400
#CE8E7E
oklch(70.6% 0.082 34.6)
-
Step 500
500
#C0715D
oklch(63.1% 0.105 35.1)
-
Step 600
600 (this color)
#A7543F
oklch(54.3% 0.114 35.3)
-
Step 700
700
#934835
oklch(49.2% 0.106 35.3)
-
Step 800
800
#773B2C
oklch(42.6% 0.088 35.1)
-
Step 900
900
#613328
oklch(37.7% 0.069 34.4)
-
Step 950
950
#391E18
oklch(27% 0.044 33.4)
#A7543F 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) | #69613D | 0.113 |
| Deuteranopia (no green cones) | #7E733D | 0.105 |
| Tritanopia (no blue cones) | #B6454F | 0.050 |
| Achromatopsia (no color) | #6C6C6C | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A7543F
#A7543F
oklch(54.3% 0.114 35.3)
- #007D92
#007D92
oklch(54.3% 0.096 214.9)
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 #A7543F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sienna #A0522D ΔE 0.025
- Cinnamon #AC4F06 ΔE 0.041
- Earth #A2653E ΔE 0.043
- Sepia #985E2B ΔE 0.047
- Dusty Red #B9484E ΔE 0.048
- Burnt Siena #B75203 ΔE 0.049
- Burnt Umber #A0450E ΔE 0.050
- Light Maroon #A24857 ΔE 0.052
Use #A7543F 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.