#6B223B

Closest named color: Merlot (#730039). oklch(37.2% 0.106 2.7), rgb(107, 34, 59).

Aa

White text reads best on this color (10.95:1).

About this color

#6B223B is a dark, moderately saturated red. In OKLCH its lightness is 37%, its chroma 0.106 and its hue 3°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.041 away. White text reads best on it, at 10.95:1.

Hue familyReds
Lightnessdark (37%)
Chromamoderately saturated (0.106)
Temperaturewarm
Nearest nameMerlot (#730039)
Black text1.91:1
White text10.95:1

Values

HEX#6B223B
RGBrgb(107, 34, 59)
HSLhsl(339, 52%, 28%)
OKLCHoklch(37.2% 0.106 2.7)

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 #6B223B 10.95:1 AAA Lc -98.6 Preferred for body text
Black text on #6B223B 1.91:1 Fails Lc 9.3 Not readable
#6B223B text on white 10.95:1 AAA Lc 94.6 Preferred for body text
#6B223B text on black 1.91:1 Fails Lc -8.0 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

    #FCF3F5

    oklch(97.2% 0.01 2)

  2. Step 100

    100

    #F8E4E8

    oklch(93.6% 0.022 3.8)

  3. Step 200

    200

    #F4CED6

    oklch(88.6% 0.044 3.8)

  4. Step 300

    300

    #EDABBC

    oklch(80.8% 0.08 2.1)

  5. Step 400

    400

    #E17D99

    oklch(70.7% 0.127 2.9)

  6. Step 500

    500

    #D65780

    oklch(63.1% 0.164 2.9)

  7. Step 600

    600

    #C1386A

    oklch(55.7% 0.177 2.7)

  8. Step 700

    700

    #A62858

    oklch(49.1% 0.165 2.7)

  9. Step 800

    800

    #872448

    oklch(42.8% 0.136 2.9)

  10. Step 900

    900 (this color)

    #6B223B

    oklch(37.2% 0.106 2.7)

  11. Step 950

    950

    #401623

    oklch(27% 0.067 3.3)

Export this scale for Tailwind in the Tailwind colors tool

#6B223B 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)#31343C0.118
Deuteranopia (no green cones)#4442390.109
Tritanopia (no blue cones)#74192C0.029
Achromatopsia (no color)#3C3C3C0.107

Harmonies

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

Complementary

The opposite hue (180°).

  • #6B223B

    #6B223B

    oklch(37.2% 0.106 2.7)

  • #004B43

    #004B43

    oklch(37.1% 0.066 182.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #6B223B

    #6B223B

    oklch(37.2% 0.106 2.7)

  • #5F2758

    #5F2758

    oklch(37.2% 0.105 332.5)

  • #6D2517

    #6D2517

    oklch(37.1% 0.106 33)

Open the analogous palette in the generator

Split complementary

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

  • #6B223B

    #6B223B

    oklch(37.2% 0.106 2.7)

  • #004E26

    #004E26

    oklch(37.2% 0.096 152.9)

  • #004954

    #004954

    oklch(37.2% 0.065 211.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #6B223B

    #6B223B

    oklch(37.2% 0.106 2.7)

  • #384700

    #384700

    oklch(37.1% 0.09 122.3)

  • #00446B

    #00446B

    oklch(37.1% 0.089 242.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #6B223B

    #6B223B

    oklch(37.2% 0.106 2.7)

  • #4E3E00

    #4E3E00

    oklch(37% 0.076 92.3)

  • #004B43

    #004B43

    oklch(37.1% 0.066 182.8)

  • #2E3978

    #2E3978

    oklch(37.1% 0.108 272.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #6B223B, closest first.

Similar named colors

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

Use #6B223B 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.