#6B1037

Closest named color: Merlot (#730039). oklch(35.2% 0.127 1), rgb(107, 16, 55).

Aa

White text reads best on this color (11.96:1).

About this color

#6B1037 is a dark, moderately saturated red. In OKLCH its lightness is 35%, its chroma 0.127 and its hue 1°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.020 away. White text reads best on it, at 11.96:1.

Hue familyReds
Lightnessdark (35%)
Chromamoderately saturated (0.127)
Temperaturewarm
Nearest nameMerlot (#730039)
Black text1.75:1
White text11.96:1

Values

HEX#6B1037
RGBrgb(107, 16, 55)
HSLhsl(334, 74%, 24%)
OKLCHoklch(35.2% 0.127 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 #6B1037 11.96:1 AAA Lc -99.8 Preferred for body text
Black text on #6B1037 1.75:1 Fails Lc 7.8 Not readable
#6B1037 text on white 11.96:1 AAA Lc 96.1 Preferred for body text
#6B1037 text on black 1.75:1 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

    #FDF2F5

    oklch(97.1% 0.012 358.8)

  2. Step 100

    100

    #FBE3E9

    oklch(93.7% 0.027 0.7)

  3. Step 200

    200

    #F8CBD7

    oklch(88.4% 0.053 0.4)

  4. Step 300

    300

    #F5A7BD

    oklch(81% 0.096 1)

  5. Step 400

    400

    #EB749B

    oklch(70.7% 0.152 1)

  6. Step 500

    500

    #E14882

    oklch(63.1% 0.194 1.2)

  7. Step 600

    600

    #CC1B6C

    oklch(55.6% 0.212 0.9)

  8. Step 700

    700

    #B0045A

    oklch(49.1% 0.197 1)

  9. Step 800

    800

    #8F0F4A

    oklch(42.7% 0.163 0.8)

  10. Step 900

    900 (this color)

    #6B1037

    oklch(35.2% 0.127 1)

  11. Step 950

    950

    #441124

    oklch(27% 0.08 1.2)

Export this scale for Tailwind in the Tailwind colors tool

#6B1037 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)#272C380.143
Deuteranopia (no green cones)#3F3D350.129
Tritanopia (no blue cones)#7500220.038
Achromatopsia (no color)#3737370.128

Harmonies

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

Complementary

The opposite hue (180°).

  • #6B1037

    #6B1037

    oklch(35.2% 0.127 1)

  • #00463D

    #00463D

    oklch(35.3% 0.064 180.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #6B1037

    #6B1037

    oklch(35.2% 0.127 1)

  • #5E1959

    #5E1959

    oklch(35.3% 0.128 331)

  • #6E1307

    #6E1307

    oklch(35.1% 0.126 31.1)

Open the analogous palette in the generator

Split complementary

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

  • #6B1037

    #6B1037

    oklch(35.2% 0.127 1)

  • #00481F

    #00481F

    oklch(35.1% 0.095 151)

  • #00434D

    #00434D

    oklch(35.1% 0.061 211.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #6B1037

    #6B1037

    oklch(35.2% 0.127 1)

  • #354100

    #354100

    oklch(35.2% 0.084 120.7)

  • #003F61

    #003F61

    oklch(35.1% 0.082 240.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #6B1037

    #6B1037

    oklch(35.2% 0.127 1)

  • #493900

    #493900

    oklch(35.2% 0.072 91.1)

  • #00463D

    #00463D

    oklch(35.3% 0.064 180.7)

  • #25317C

    #25317C

    oklch(35.2% 0.127 271.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #6B1037, closest first.

Similar named colors

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

Use #6B1037 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.