#A1571F
Closest named color: Sienna (#A0522D). oklch(53.5% 0.118 53.4), rgb(161, 87, 31).
Aa
White text reads best on this color (5.38:1).
About this color
#A1571F is a medium-dark, moderately saturated brown. In OKLCH its lightness is 54%, its chroma 0.118 and its hue 53°. Its hue sits on the warm side of the wheel. The nearest named color is Sienna (#A0522D), ΔE 0.020 away. White text reads best on it, at 5.38:1.
| Hue family | Browns |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.118) |
| Temperature | warm |
| Nearest name | Sienna (#A0522D) |
| Black text | 3.89:1 |
| White text | 5.38:1 |
Values
| HEX | #A1571F |
| RGB | rgb(161, 87, 31) |
| HSL | hsl(26, 68%, 38%) |
| OKLCH | oklch(53.5% 0.118 53.4) |
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 #A1571F | 5.38:1 | AA | Lc -81.8 | Fine for body text |
| Black text on #A1571F | 3.89:1 | AA large text | Lc 27.6 | Dividers and decoration only |
| #A1571F text on white | 5.38:1 | AA | Lc 76.4 | Fine for body text |
| #A1571F text on black | 3.89:1 | AA large text | Lc -25.3 | 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
#F3E7E1
oklch(93.6% 0.015 48.6)
-
Step 200
200
#EAD4C7
oklch(88.4% 0.03 52.7)
-
Step 300
300
#DDB8A1
oklch(80.9% 0.053 53.6)
-
Step 400
400
#CB926E
oklch(70.7% 0.085 53.2)
-
Step 500
500
#BC7646
oklch(63.1% 0.109 53.8)
-
Step 600
600 (this color)
#A1571F
oklch(53.5% 0.118 53.4)
-
Step 700
700
#904C19
oklch(49.1% 0.11 52.9)
-
Step 800
800
#753F17
oklch(42.7% 0.092 53.5)
-
Step 900
900
#5F361A
oklch(37.8% 0.072 53.1)
-
Step 950
950
#372010
oklch(26.9% 0.044 54.5)
#A1571F 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) | #6D6017 | 0.097 |
| Deuteranopia (no green cones) | #7E711E | 0.089 |
| Tritanopia (no blue cones) | #B1474C | 0.076 |
| Achromatopsia (no color) | #6A6A6A | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A1571F
#A1571F
oklch(53.5% 0.118 53.4)
- #0077A3
#0077A3
oklch(53.6% 0.111 233.2)
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 #A1571F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sienna #A0522D ΔE 0.020
- Sepia #985E2B ΔE 0.021
- Cinnamon #AC4F06 ΔE 0.025
- Raw Umber #A75E09 ΔE 0.026
- Warm Brown #964E02 ΔE 0.034
- Raw Sienna #9A6200 ΔE 0.037
- Earth #A2653E ΔE 0.038
- Burnt Umber #A0450E ΔE 0.040
Use #A1571F 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.