#6B191D

Closest named color: Reddy Brown (#6E1005). oklch(35.3% 0.115 22.9), rgb(107, 25, 29).

Aa

White text reads best on this color (11.78:1).

About this color

#6B191D is a dark, moderately saturated red. In OKLCH its lightness is 35%, its chroma 0.115 and its hue 23°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.023 away. White text reads best on it, at 11.78:1.

Hue familyReds
Lightnessdark (35%)
Chromamoderately saturated (0.115)
Temperaturewarm
Nearest nameReddy Brown (#6E1005)
Black text1.78:1
White text11.78:1

Values

HEX#6B191D
RGBrgb(107, 25, 29)
HSLhsl(357, 62%, 26%)
OKLCHoklch(35.3% 0.115 22.9)

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 #6B191D 11.78:1 AAA Lc -99.7 Preferred for body text
Black text on #6B191D 1.78:1 Fails Lc 7.9 Not readable
#6B191D text on white 11.78:1 AAA Lc 96.0 Preferred for body text
#6B191D text on black 1.78:1 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

    #FDF3F2

    oklch(97.2% 0.011 24.3)

  2. Step 100

    100

    #FAE4E2

    oklch(93.6% 0.024 23.9)

  3. Step 200

    200

    #F8CDCA

    oklch(88.4% 0.049 22.8)

  4. Step 300

    300

    #F4ABA7

    oklch(81% 0.087 22.7)

  5. Step 400

    400

    #EA7B78

    oklch(70.7% 0.138 22.8)

  6. Step 500

    500

    #E05355

    oklch(63.1% 0.176 22.8)

  7. Step 600

    600

    #CB2F3A

    oklch(55.5% 0.191 22.8)

  8. Step 700

    700

    #AF1F2C

    oklch(49% 0.178 22.9)

  9. Step 800

    800

    #8E1E26

    oklch(42.7% 0.147 22.7)

  10. Step 900

    900 (this color)

    #6B191D

    oklch(35.3% 0.115 22.9)

  11. Step 950

    950

    #431515

    oklch(27% 0.072 23.2)

Export this scale for Tailwind in the Tailwind colors tool

#6B191D 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)#302C1C0.126
Deuteranopia (no green cones)#453E1A0.115
Tritanopia (no blue cones)#76001B0.030
Achromatopsia (no color)#3838380.116

Harmonies

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

Complementary

The opposite hue (180°).

  • #6B191D

    #6B191D

    oklch(35.3% 0.115 22.9)

  • #004449

    #004449

    oklch(35.2% 0.06 203.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #6B191D

    #6B191D

    oklch(35.3% 0.115 22.9)

  • #651941

    #651941

    oklch(35.3% 0.116 352.4)

  • #5E2B00

    #5E2B00

    oklch(35.3% 0.09 53)

Open the analogous palette in the generator

Split complementary

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

  • #6B191D

    #6B191D

    oklch(35.3% 0.115 22.9)

  • #004738

    #004738

    oklch(35.5% 0.068 172.7)

  • #00415B

    #00415B

    oklch(35.3% 0.073 233)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #6B191D

    #6B191D

    oklch(35.3% 0.115 22.9)

  • #044906

    #044906

    oklch(35.3% 0.115 143)

  • #193776

    #193776

    oklch(35.3% 0.114 262.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #6B191D

    #6B191D

    oklch(35.3% 0.115 22.9)

  • #3C3F00

    #3C3F00

    oklch(35.3% 0.079 112.8)

  • #004449

    #004449

    oklch(35.2% 0.06 203.1)

  • #3F2B71

    #3F2B71

    oklch(35.3% 0.116 292.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #6B191D, closest first.

Similar named colors

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

Use #6B191D 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.