#A3571B

Closest named color: Cinnamon (#AC4F06). oklch(53.8% 0.122 53.7), rgb(163, 87, 27).

Aa

White text reads best on this color (5.33:1).

About this color

#A3571B is a medium-dark, moderately saturated brown. In OKLCH its lightness is 54%, its chroma 0.122 and its hue 54°. Its hue sits on the warm side of the wheel. The nearest named color is Cinnamon (#AC4F06), ΔE 0.022 away. White text reads best on it, at 5.33:1.

Hue familyBrowns
Lightnessmedium-dark (54%)
Chromamoderately saturated (0.122)
Temperaturewarm
Nearest nameCinnamon (#AC4F06)
Black text3.93:1
White text5.33:1

Values

HEX#A3571B
RGBrgb(163, 87, 27)
HSLhsl(26, 72%, 37%)
OKLCHoklch(53.8% 0.122 53.7)

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.

PairWCAG 2ResultAPCAAPCA guidance
White text on #A3571B 5.33:1 AA Lc -81.5 Fine for body text
Black text on #A3571B 3.93:1 AA large text Lc 28.0 Dividers and decoration only
#A3571B text on white 5.33:1 AA Lc 76.1 Fine for body text
#A3571B text on black 3.93:1 AA large text Lc -25.6 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 600.

  1. Step 50

    50

    #FAF4F1

    oklch(97.1% 0.008 48.7)

  2. Step 100

    100

    #F3E7E0

    oklch(93.6% 0.016 52.6)

  3. Step 200

    200

    #EAD4C7

    oklch(88.4% 0.03 52.7)

  4. Step 300

    300

    #DEB8A0

    oklch(81% 0.055 54)

  5. Step 400

    400

    #CC926C

    oklch(70.8% 0.088 54)

  6. Step 500

    500

    #BE7543

    oklch(63.1% 0.113 53.6)

  7. Step 600

    600 (this color)

    #A3571B

    oklch(53.8% 0.122 53.7)

  8. Step 700

    700

    #914C14

    oklch(49.2% 0.113 53.9)

  9. Step 800

    800

    #763E14

    oklch(42.7% 0.095 53.2)

  10. Step 900

    900

    #5F3618

    oklch(37.7% 0.073 54.5)

  11. Step 950

    950

    #38200F

    oklch(27.1% 0.046 54.7)

Export this scale for Tailwind in the Tailwind colors tool

#A3571B 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.

VisionSeen asShift (ΔE)
Protanopia (no red cones)#6D60110.101
Deuteranopia (no green cones)#80721A0.091
Tritanopia (no blue cones)#B3464B0.078
Achromatopsia (no color)#6B6B6B0.122

Harmonies

Hue rotations in OKLCH that keep this color's lightness and chroma.

Complementary

The opposite hue (180°).

  • #A3571B

    #A3571B

    oklch(53.8% 0.122 53.7)

  • #0077A5

    #0077A5

    oklch(53.7% 0.113 234.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #A3571B

    #A3571B

    oklch(53.8% 0.122 53.7)

  • #A94D4B

    #A94D4B

    oklch(53.7% 0.122 23.3)

  • #8C6700

    #8C6700

    oklch(53.7% 0.11 83.8)

Open the analogous palette in the generator

Split complementary

The two hues beside the complement (150° and 210°).

  • #A3571B

    #A3571B

    oklch(53.8% 0.122 53.7)

  • #007D86

    #007D86

    oklch(53.7% 0.092 203.6)

  • #496BB4

    #496BB4

    oklch(53.7% 0.121 263.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #A3571B

    #A3571B

    oklch(53.8% 0.122 53.7)

  • #008169

    #008169

    oklch(53.8% 0.103 173.6)

  • #725EAD

    #725EAD

    oklch(53.7% 0.121 293.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #A3571B

    #A3571B

    oklch(53.8% 0.122 53.7)

  • #3C803C

    #3C803C

    oklch(53.9% 0.123 143.6)

  • #0077A5

    #0077A5

    oklch(53.7% 0.113 234.4)

  • #905396

    #905396

    oklch(53.8% 0.122 323.8)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #A3571B, closest first.

Similar named colors

The eight closest entries in our named color list, with their ΔE distance.

Use #A3571B 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.