#6D213B

Closest named color: Merlot (#730039). oklch(37.4% 0.11 3.1), rgb(109, 33, 59).

Aa

White text reads best on this color (10.87:1).

About this color

#6D213B is a dark, moderately saturated red. In OKLCH its lightness is 37%, its chroma 0.110 and its hue 3°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.039 away. White text reads best on it, at 10.87:1.

Hue familyReds
Lightnessdark (37%)
Chromamoderately saturated (0.110)
Temperaturewarm
Nearest nameMerlot (#730039)
Black text1.93:1
White text10.87:1

Values

HEX#6D213B
RGBrgb(109, 33, 59)
HSLhsl(339, 54%, 28%)
OKLCHoklch(37.4% 0.11 3.1)

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 #6D213B 10.87:1 AAA Lc -98.4 Preferred for body text
Black text on #6D213B 1.93:1 Fails Lc 9.5 Not readable
#6D213B text on white 10.87:1 AAA Lc 94.4 Preferred for body text
#6D213B text on black 1.93:1 Fails Lc -8.2 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

    #F9E4E8

    oklch(93.7% 0.024 4.5)

  3. Step 200

    200

    #F5CDD6

    oklch(88.5% 0.046 2.9)

  4. Step 300

    300

    #EFABBB

    oklch(81% 0.082 3.6)

  5. Step 400

    400

    #E37B98

    oklch(70.6% 0.132 3.2)

  6. Step 500

    500

    #D8557F

    oklch(63.1% 0.168 3.3)

  7. Step 600

    600

    #C33469

    oklch(55.6% 0.183 3)

  8. Step 700

    700

    #A82457

    oklch(49.1% 0.171 3.1)

  9. Step 800

    800

    #882147

    oklch(42.6% 0.141 3.1)

  10. Step 900

    900 (this color)

    #6D213B

    oklch(37.4% 0.11 3.1)

  11. Step 950

    950

    #411523

    oklch(27% 0.07 3.2)

Export this scale for Tailwind in the Tailwind colors tool

#6D213B 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)#31343C0.122
Deuteranopia (no green cones)#4542390.111
Tritanopia (no blue cones)#77172B0.031
Achromatopsia (no color)#3D3D3D0.111

Harmonies

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

Complementary

The opposite hue (180°).

  • #6D213B

    #6D213B

    oklch(37.4% 0.11 3.1)

  • #004C44

    #004C44

    oklch(37.4% 0.067 182.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #6D213B

    #6D213B

    oklch(37.4% 0.11 3.1)

  • #612659

    #612659

    oklch(37.4% 0.109 333.1)

  • #6F2415

    #6F2415

    oklch(37.3% 0.11 33.2)

Open the analogous palette in the generator

Split complementary

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

  • #6D213B

    #6D213B

    oklch(37.4% 0.11 3.1)

  • #004F27

    #004F27

    oklch(37.5% 0.096 153.2)

  • #004955

    #004955

    oklch(37.3% 0.065 213.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #6D213B

    #6D213B

    oklch(37.4% 0.11 3.1)

  • #384800

    #384800

    oklch(37.4% 0.092 122.9)

  • #00456C

    #00456C

    oklch(37.5% 0.09 242.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #6D213B

    #6D213B

    oklch(37.4% 0.11 3.1)

  • #4F3F00

    #4F3F00

    oklch(37.4% 0.077 92.6)

  • #004C44

    #004C44

    oklch(37.4% 0.067 182.9)

  • #2F397A

    #2F397A

    oklch(37.3% 0.11 273.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #6D213B, closest first.

Similar named colors

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

Use #6D213B 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.