#5B240D

Closest named color: Reddy Brown (#6E1005). oklch(33.7% 0.088 41.3), rgb(91, 36, 13).

Aa

White text reads best on this color (12.33:1).

About this color

#5B240D is a dark, moderately saturated brown. In OKLCH its lightness is 34%, its chroma 0.088 and its hue 41°. 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 12.33:1.

Hue familyBrowns
Lightnessdark (34%)
Chromamoderately saturated (0.088)
Temperaturewarm
Nearest nameReddy Brown (#6E1005)
Black text1.70:1
White text12.33:1

Values

HEX#5B240D
RGBrgb(91, 36, 13)
HSLhsl(18, 75%, 20%)
OKLCHoklch(33.7% 0.088 41.3)

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 #5B240D 12.33:1 AAA Lc -101.1 Preferred for body text
Black text on #5B240D 1.70:1 Fails Lc 0.0 Not readable
#5B240D text on white 12.33:1 AAA Lc 97.5 Preferred for body text
#5B240D text on black 1.70:1 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

    #FBF4F1

    oklch(97.2% 0.009 44.9)

  2. Step 100

    100

    #F6E6E0

    oklch(93.6% 0.019 41.8)

  3. Step 200

    200

    #EFD2C7

    oklch(88.5% 0.036 41.9)

  4. Step 300

    300

    #E7B3A0

    oklch(80.9% 0.066 41)

  5. Step 400

    400

    #D88A6C

    oklch(70.7% 0.105 41.7)

  6. Step 500

    500

    #CC6A44

    oklch(63.1% 0.135 41.3)

  7. Step 600

    600

    #B74F23

    oklch(55.5% 0.146 41.4)

  8. Step 700

    700

    #9D3F16

    oklch(49% 0.136 41.2)

  9. Step 800

    800

    #803515

    oklch(42.7% 0.113 41.5)

  10. Step 900

    900 (this color)

    #5B240D

    oklch(33.7% 0.088 41.3)

  11. Step 950

    950

    #3D1C0F

    oklch(27% 0.056 41.6)

Export this scale for Tailwind in the Tailwind colors tool

#5B240D 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)#332D0A0.085
Deuteranopia (no green cones)#41390B0.076
Tritanopia (no blue cones)#65171F0.043
Achromatopsia (no color)#3535350.088

Harmonies

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

Complementary

The opposite hue (180°).

  • #5B240D

    #5B240D

    oklch(33.7% 0.088 41.3)

  • #003E4E

    #003E4E

    oklch(33.7% 0.062 221.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #5B240D

    #5B240D

    oklch(33.7% 0.088 41.3)

  • #5B202B

    #5B202B

    oklch(33.6% 0.087 11.7)

  • #4E3000

    #4E3000

    oklch(33.8% 0.072 71.9)

Open the analogous palette in the generator

Split complementary

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

  • #5B240D

    #5B240D

    oklch(33.7% 0.088 41.3)

  • #00403E

    #00403E

    oklch(33.6% 0.058 191.3)

  • #0B3862

    #0B3862

    oklch(33.6% 0.088 251.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #5B240D

    #5B240D

    oklch(33.7% 0.088 41.3)

  • #00422A

    #00422A

    oklch(33.5% 0.074 161.3)

  • #303063

    #303063

    oklch(33.8% 0.088 280.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #5B240D

    #5B240D

    oklch(33.7% 0.088 41.3)

  • #264005

    #264005

    oklch(33.8% 0.088 131.4)

  • #003E4E

    #003E4E

    oklch(33.7% 0.062 221.8)

  • #462858

    #462858

    oklch(33.8% 0.088 311.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #5B240D, closest first.

Similar named colors

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

Use #5B240D 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.