#591F17

Closest named color: Reddy Brown (#6E1005). oklch(32.6% 0.088 30.3), rgb(89, 31, 23).

Aa

White text reads best on this color (12.85:1).

About this color

#591F17 is a dark, moderately saturated red. In OKLCH its lightness is 33%, its chroma 0.088 and its hue 30°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.047 away. White text reads best on it, at 12.85:1.

Hue familyReds
Lightnessdark (33%)
Chromamoderately saturated (0.088)
Temperaturewarm
Nearest nameReddy Brown (#6E1005)
Black text1.63:1
White text12.85:1

Values

HEX#591F17
RGBrgb(89, 31, 23)
HSLhsl(7, 59%, 22%)
OKLCHoklch(32.6% 0.088 30.3)

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.

PairWCAG 2ResultAPCAAPCA guidance
White text on #591F17 12.85:1 AAA Lc -101.8 Preferred for body text
Black text on #591F17 1.63:1 Fails Lc 0.0 Not readable
#591F17 text on white 12.85:1 AAA Lc 98.4 Preferred for body text
#591F17 text on black 1.63:1 Fails Lc 0.0 Not readable

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 900.

  1. Step 50

    50

    #FBF3F2

    oklch(97% 0.009 26)

  2. Step 100

    100

    #F6E6E2

    oklch(93.7% 0.018 34.3)

  3. Step 200

    200

    #F0D1CB

    oklch(88.5% 0.036 30.8)

  4. Step 300

    300

    #E8B1A7

    oklch(80.8% 0.066 30.3)

  5. Step 400

    400

    #DA8779

    oklch(70.7% 0.105 30.2)

  6. Step 500

    500

    #CE6656

    oklch(63% 0.135 30.3)

  7. Step 600

    600

    #B94B3C

    oklch(55.6% 0.146 30.2)

  8. Step 700

    700

    #9F3B2E

    oklch(49% 0.136 30.1)

  9. Step 800

    800

    #813227

    oklch(42.7% 0.112 30.3)

  10. Step 900

    900 (this color)

    #591F17

    oklch(32.6% 0.088 30.3)

  11. Step 950

    950

    #3D1B15

    oklch(27% 0.055 31.3)

Export this scale for Tailwind in the Tailwind colors tool

#591F17 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)#2F2A160.090
Deuteranopia (no green cones)#3D37150.085
Tritanopia (no blue cones)#62121D0.031
Achromatopsia (no color)#3232320.088

Harmonies

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

Complementary

The opposite hue (180°).

  • #591F17

    #591F17

    oklch(32.6% 0.088 30.3)

  • #003C44

    #003C44

    oklch(32.6% 0.056 209.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #591F17

    #591F17

    oklch(32.6% 0.088 30.3)

  • #561D32

    #561D32

    oklch(32.5% 0.087 0.3)

  • #502900

    #502900

    oklch(32.6% 0.077 59.9)

Open the analogous palette in the generator

Split complementary

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

  • #591F17

    #591F17

    oklch(32.6% 0.088 30.3)

  • #003E36

    #003E36

    oklch(32.6% 0.059 180.9)

  • #003857

    #003857

    oklch(32.6% 0.076 240.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #591F17

    #591F17

    oklch(32.6% 0.088 30.3)

  • #02401A

    #02401A

    oklch(32.5% 0.088 150.2)

  • #243061

    #243061

    oklch(32.7% 0.088 270.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #591F17

    #591F17

    oklch(32.6% 0.088 30.3)

  • #2F3A00

    #2F3A00

    oklch(32.7% 0.078 120.8)

  • #003C44

    #003C44

    oklch(32.6% 0.056 209.4)

  • #3C285A

    #3C285A

    oklch(32.7% 0.087 300.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #591F17, closest first.

Similar named colors

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

Use #591F17 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.