#5B190A

Closest named color: Reddy Brown (#6E1005). oklch(32% 0.1 34.1), rgb(91, 25, 10).

Aa

White text reads best on this color (13.22:1).

About this color

#5B190A is a dark, moderately saturated red. In OKLCH its lightness is 32%, its chroma 0.100 and its hue 34°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.041 away. White text reads best on it, at 13.22:1.

Hue familyReds
Lightnessdark (32%)
Chromamoderately saturated (0.100)
Temperaturewarm
Nearest nameReddy Brown (#6E1005)
Black text1.58:1
White text13.22:1

Values

HEX#5B190A
RGBrgb(91, 25, 10)
HSLhsl(11, 80%, 20%)
OKLCHoklch(32% 0.1 34.1)

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 #5B190A 13.22:1 AAA Lc -102.1 Preferred for body text
Black text on #5B190A 1.58:1 Fails Lc 0.0 Not readable
#5B190A text on white 13.22:1 AAA Lc 98.8 Preferred for body text
#5B190A text on black 1.58:1 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 950.

  1. Step 50

    50

    #FFF2EF

    oklch(97.1% 0.015 33.1)

  2. Step 100

    100

    #FFE3DC

    oklch(93.7% 0.032 34.3)

  3. Step 200

    200

    #FFCBBF

    oklch(88.5% 0.062 33.2)

  4. Step 300

    300

    #FFA691

    oklch(80.8% 0.11 33.9)

  5. Step 400

    400

    #FF6B4A

    oklch(70.7% 0.187 34.1)

  6. Step 500

    500

    #F33A00

    oklch(63% 0.226 34.1)

  7. Step 600

    600

    #CE3000

    oklch(55.7% 0.199 34.2)

  8. Step 700

    700

    #AE2700

    oklch(49.1% 0.176 34.2)

  9. Step 800

    800

    #901E00

    oklch(42.7% 0.153 34)

  10. Step 900

    900

    #791800

    oklch(37.7% 0.135 34.2)

  11. Step 950

    950 (this color)

    #5B190A

    oklch(32% 0.1 34.1)

Export this scale for Tailwind in the Tailwind colors tool

#5B190A 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)#2C27080.104
Deuteranopia (no green cones)#3D35070.093
Tritanopia (no blue cones)#6504160.038
Achromatopsia (no color)#3030300.100

Harmonies

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

Complementary

The opposite hue (180°).

  • #5B190A

    #5B190A

    oklch(32% 0.1 34.1)

  • #003A44

    #003A44

    oklch(32% 0.056 213.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #5B190A

    #5B190A

    oklch(32% 0.1 34.1)

  • #59162D

    #59162D

    oklch(32% 0.099 3.8)

  • #4C2900

    #4C2900

    oklch(32% 0.073 63.3)

Open the analogous palette in the generator

Split complementary

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

  • #5B190A

    #5B190A

    oklch(32% 0.1 34.1)

  • #003C36

    #003C36

    oklch(32% 0.057 183.9)

  • #003658

    #003658

    oklch(32.1% 0.079 244)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #5B190A

    #5B190A

    oklch(32% 0.1 34.1)

  • #003E1F

    #003E1F

    oklch(31.9% 0.08 154.3)

  • #252C65

    #252C65

    oklch(32.2% 0.1 274.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #5B190A

    #5B190A

    oklch(32% 0.1 34.1)

  • #2A3900

    #2A3900

    oklch(31.9% 0.08 124.4)

  • #003A44

    #003A44

    oklch(32% 0.056 213.4)

  • #3E225B

    #3E225B

    oklch(31.9% 0.1 303.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #5B190A, closest first.

Similar named colors

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

Use #5B190A 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.