#A3593A

Closest named color: Sienna (#A0522D). oklch(54.4% 0.107 42.9), rgb(163, 89, 58).

Aa

White text reads best on this color (5.18:1).

About this color

#A3593A is a medium-dark, moderately saturated brown. In OKLCH its lightness is 54%, its chroma 0.107 and its hue 43°. 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 5.18:1.

Hue familyBrowns
Lightnessmedium-dark (54%)
Chromamoderately saturated (0.107)
Temperaturewarm
Nearest nameSienna (#A0522D)
Black text4.04:1
White text5.18:1

Values

HEX#A3593A
RGBrgb(163, 89, 58)
HSLhsl(18, 48%, 43%)
OKLCHoklch(54.4% 0.107 42.9)

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 #A3593A 5.18:1 AA Lc -80.7 Fine for body text
Black text on #A3593A 4.04:1 AA large text Lc 28.7 Dividers and decoration only
#A3593A text on white 5.18:1 AA Lc 75.4 Fine for body text
#A3593A text on black 4.04:1 AA large text Lc -26.4 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.

  1. Step 50

    50

    #F9F4F2

    oklch(97% 0.006 43.3)

  2. Step 100

    100

    #F3E7E3

    oklch(93.6% 0.014 39.4)

  3. Step 200

    200

    #E9D4CB

    oklch(88.5% 0.027 44.7)

  4. Step 300

    300

    #DDB7A8

    oklch(80.9% 0.049 42.7)

  5. Step 400

    400

    #CA917A

    oklch(70.6% 0.077 42.9)

  6. Step 500

    500

    #BB7558

    oklch(63.1% 0.098 43.1)

  7. Step 600

    600 (this color)

    #A3593A

    oklch(54.4% 0.107 42.9)

  8. Step 700

    700

    #8F4C2F

    oklch(49.2% 0.1 43.3)

  9. Step 800

    800

    #743E28

    oklch(42.6% 0.083 42.4)

  10. Step 900

    900

    #5E3625

    oklch(37.8% 0.064 43.5)

  11. Step 950

    950

    #372016

    oklch(27.1% 0.04 44.1)

Export this scale for Tailwind in the Tailwind colors tool

#A3593A 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)#6D63370.098
Deuteranopia (no green cones)#7F73390.090
Tritanopia (no blue cones)#B24B520.058
Achromatopsia (no color)#6D6D6D0.108

Harmonies

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

Complementary

The opposite hue (180°).

  • #A3593A

    #A3593A

    oklch(54.4% 0.107 42.9)

  • #007C9B

    #007C9B

    oklch(54.4% 0.102 223.3)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #A3593A

    #A3593A

    oklch(54.4% 0.107 42.9)

  • #A4535E

    #A4535E

    oklch(54.3% 0.107 12.7)

  • #956518

    #956518

    oklch(54.5% 0.107 73.4)

Open the analogous palette in the generator

Split complementary

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

  • #A3593A

    #A3593A

    oklch(54.4% 0.107 42.9)

  • #00817F

    #00817F

    oklch(54.5% 0.093 192.9)

  • #3F72AD

    #3F72AD

    oklch(54.4% 0.108 253.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #A3593A

    #A3593A

    oklch(54.4% 0.107 42.9)

  • #1F835D

    #1F835D

    oklch(54.4% 0.108 162.6)

  • #6867AC

    #6867AC

    oklch(54.5% 0.106 283)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #A3593A

    #A3593A

    oklch(54.4% 0.107 42.9)

  • #577D38

    #577D38

    oklch(54.5% 0.107 132.8)

  • #007C9B

    #007C9B

    oklch(54.4% 0.102 223.3)

  • #865C9C

    #865C9C

    oklch(54.5% 0.107 313.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #A3593A, closest first.

Similar named colors

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

Use #A3593A 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.