#A5591F

Closest named color: Raw Umber (#A75E09). oklch(54.4% 0.121 53.4), rgb(165, 89, 31).

Aa

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

About this color

#A5591F is a medium-dark, moderately saturated brown. In OKLCH its lightness is 54%, its chroma 0.121 and its hue 53°. Its hue sits on the warm side of the wheel. The nearest named color is Raw Umber (#A75E09), ΔE 0.019 away. White text reads best on it, at 5.18:1.

Hue familyBrowns
Lightnessmedium-dark (54%)
Chromamoderately saturated (0.121)
Temperaturewarm
Nearest nameRaw Umber (#A75E09)
Black text4.04:1
White text5.18:1

Values

HEX#A5591F
RGBrgb(165, 89, 31)
HSLhsl(26, 68%, 38%)
OKLCHoklch(54.4% 0.121 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.

PairWCAG 2ResultAPCAAPCA guidance
White text on #A5591F 5.18:1 AA Lc -80.7 Fine for body text
Black text on #A5591F 4.04:1 AA large text Lc 28.8 Dividers and decoration only
#A5591F text on white 5.18:1 AA Lc 75.3 Fine for body text
#A5591F 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

    #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

    #BD7544

    oklch(63% 0.111 53.5)

  7. Step 600

    600 (this color)

    #A5591F

    oklch(54.4% 0.121 53.4)

  8. Step 700

    700

    #914C15

    oklch(49.2% 0.113 53.6)

  9. Step 800

    800

    #763E15

    oklch(42.7% 0.094 52.8)

  10. Step 900

    900

    #5F3619

    oklch(37.8% 0.072 53.8)

  11. Step 950

    950

    #382010

    oklch(27.1% 0.046 53.3)

Export this scale for Tailwind in the Tailwind colors tool

#A5591F 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)#6F62160.100
Deuteranopia (no green cones)#81741E0.092
Tritanopia (no blue cones)#B5484D0.078
Achromatopsia (no color)#6D6D6D0.121

Harmonies

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

Complementary

The opposite hue (180°).

  • #A5591F

    #A5591F

    oklch(54.4% 0.121 53.4)

  • #007AA7

    #007AA7

    oklch(54.5% 0.113 233.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #A5591F

    #A5591F

    oklch(54.4% 0.121 53.4)

  • #AB4F4D

    #AB4F4D

    oklch(54.3% 0.122 23.2)

  • #8F6900

    #8F6900

    oklch(54.5% 0.112 83.5)

Open the analogous palette in the generator

Split complementary

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

  • #A5591F

    #A5591F

    oklch(54.4% 0.121 53.4)

  • #007F88

    #007F88

    oklch(54.4% 0.093 203.5)

  • #4A6DB6

    #4A6DB6

    oklch(54.4% 0.121 263.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #A5591F

    #A5591F

    oklch(54.4% 0.121 53.4)

  • #00836B

    #00836B

    oklch(54.4% 0.104 173.8)

  • #7460AF

    #7460AF

    oklch(54.4% 0.121 293.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #A5591F

    #A5591F

    oklch(54.4% 0.121 53.4)

  • #3F813E

    #3F813E

    oklch(54.3% 0.121 143.4)

  • #007AA7

    #007AA7

    oklch(54.5% 0.113 233.2)

  • #915598

    #915598

    oklch(54.3% 0.121 323.2)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #A5591F, closest first.

Similar named colors

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

Use #A5591F 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.