#6B1729

Closest named color: Claret (#680018). oklch(35.4% 0.117 13.5), rgb(107, 23, 41).

Aa

White text reads best on this color (11.79:1).

About this color

#6B1729 is a dark, moderately saturated red. In OKLCH its lightness is 35%, its chroma 0.117 and its hue 14°. Its hue sits on the warm side of the wheel. The nearest named color is Claret (#680018), ΔE 0.032 away. White text reads best on it, at 11.79:1.

Hue familyReds
Lightnessdark (35%)
Chromamoderately saturated (0.117)
Temperaturewarm
Nearest nameClaret (#680018)
Black text1.77:1
White text11.79:1

Values

HEX#6B1729
RGBrgb(107, 23, 41)
HSLhsl(347, 65%, 25%)
OKLCHoklch(35.4% 0.117 13.5)

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 #6B1729 11.79:1 AAA Lc -99.7 Preferred for body text
Black text on #6B1729 1.77:1 Fails Lc 7.9 Not readable
#6B1729 text on white 11.79:1 AAA Lc 96.0 Preferred for body text
#6B1729 text on black 1.77:1 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

    #FDF2F3

    oklch(97% 0.012 11)

  2. Step 100

    100

    #FAE3E5

    oklch(93.5% 0.025 11.6)

  3. Step 200

    200

    #F8CDD0

    oklch(88.6% 0.049 13.4)

  4. Step 300

    300

    #F4AAB0

    oklch(81% 0.088 13.8)

  5. Step 400

    400

    #EA7987

    oklch(70.8% 0.14 13.5)

  6. Step 500

    500

    #E05069

    oklch(63.2% 0.179 13.6)

  7. Step 600

    600

    #CB2B51

    oklch(55.6% 0.194 13.4)

  8. Step 700

    700

    #AF1A41

    oklch(49.1% 0.181 13.7)

  9. Step 800

    800

    #8E1A36

    oklch(42.6% 0.15 13.4)

  10. Step 900

    900 (this color)

    #6B1729

    oklch(35.4% 0.117 13.5)

  11. Step 950

    950

    #43131C

    oklch(26.9% 0.074 12.4)

Export this scale for Tailwind in the Tailwind colors tool

#6B1729 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)#2E2D290.129
Deuteranopia (no green cones)#433E270.119
Tritanopia (no blue cones)#76001F0.029
Achromatopsia (no color)#3838380.118

Harmonies

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

Complementary

The opposite hue (180°).

  • #6B1729

    #6B1729

    oklch(35.4% 0.117 13.5)

  • #004544

    #004544

    oklch(35.3% 0.06 193.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #6B1729

    #6B1729

    oklch(35.4% 0.117 13.5)

  • #621B4B

    #621B4B

    oklch(35.4% 0.117 343.3)

  • #662400

    #662400

    oklch(35.5% 0.104 43.5)

Open the analogous palette in the generator

Split complementary

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

  • #6B1729

    #6B1729

    oklch(35.4% 0.117 13.5)

  • #004830

    #004830

    oklch(35.5% 0.077 163)

  • #004355

    #004355

    oklch(35.5% 0.066 223)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #6B1729

    #6B1729

    oklch(35.4% 0.117 13.5)

  • #244600

    #244600

    oklch(35.4% 0.101 133.6)

  • #003B73

    #003B73

    oklch(35.4% 0.111 253.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #6B1729

    #6B1729

    oklch(35.4% 0.117 13.5)

  • #433D00

    #433D00

    oklch(35.5% 0.075 103.3)

  • #004544

    #004544

    oklch(35.3% 0.06 193.1)

  • #362F75

    #362F75

    oklch(35.5% 0.116 283.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #6B1729, closest first.

Similar named colors

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

Use #6B1729 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.