#6D243A

Closest named color: Merlot (#730039). oklch(37.8% 0.105 5.1), rgb(109, 36, 58).

Aa

White text reads best on this color (10.69:1).

About this color

#6D243A is a dark, moderately saturated red. In OKLCH its lightness is 38%, its chroma 0.105 and its hue 5°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.045 away. White text reads best on it, at 10.69:1.

Hue familyReds
Lightnessdark (38%)
Chromamoderately saturated (0.105)
Temperaturewarm
Nearest nameMerlot (#730039)
Black text1.96:1
White text10.69:1

Values

HEX#6D243A
RGBrgb(109, 36, 58)
HSLhsl(342, 50%, 28%)
OKLCHoklch(37.8% 0.105 5.1)

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 #6D243A 10.69:1 AAA Lc -98.1 Preferred for body text
Black text on #6D243A 1.96:1 Fails Lc 9.8 Not readable
#6D243A text on white 10.69:1 AAA Lc 94.1 Preferred for body text
#6D243A text on black 1.96:1 Fails Lc -8.5 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

    #FCF3F4

    oklch(97.1% 0.01 9.5)

  2. Step 100

    100

    #F8E4E8

    oklch(93.6% 0.022 3.8)

  3. Step 200

    200

    #F4CED5

    oklch(88.6% 0.044 5.5)

  4. Step 300

    300

    #EEACBA

    oklch(81% 0.079 5)

  5. Step 400

    400

    #E27D96

    oklch(70.8% 0.127 5)

  6. Step 500

    500

    #D6587C

    oklch(63.1% 0.161 5.2)

  7. Step 600

    600

    #C13865

    oklch(55.5% 0.176 5.1)

  8. Step 700

    700

    #A62954

    oklch(49% 0.163 5)

  9. Step 800

    800

    #872445

    oklch(42.7% 0.136 4.9)

  10. Step 900

    900 (this color)

    #6D243A

    oklch(37.8% 0.105 5.1)

  11. Step 950

    950

    #401622

    oklch(27% 0.067 4.8)

Export this scale for Tailwind in the Tailwind colors tool

#6D243A 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)#33353B0.117
Deuteranopia (no green cones)#4643380.107
Tritanopia (no blue cones)#771B2D0.028
Achromatopsia (no color)#3E3E3E0.106

Harmonies

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

Complementary

The opposite hue (180°).

  • #6D243A

    #6D243A

    oklch(37.8% 0.105 5.1)

  • #004D46

    #004D46

    oklch(37.8% 0.067 184.5)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #6D243A

    #6D243A

    oklch(37.8% 0.105 5.1)

  • #622857

    #622857

    oklch(37.7% 0.105 335.3)

  • #6F2816

    #6F2816

    oklch(37.9% 0.105 35.3)

Open the analogous palette in the generator

Split complementary

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

  • #6D243A

    #6D243A

    oklch(37.8% 0.105 5.1)

  • #00502B

    #00502B

    oklch(37.9% 0.093 155.1)

  • #004A58

    #004A58

    oklch(37.7% 0.067 215.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #6D243A

    #6D243A

    oklch(37.8% 0.105 5.1)

  • #364A00

    #364A00

    oklch(37.8% 0.095 125.3)

  • #004570

    #004570

    oklch(37.7% 0.095 244.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #6D243A

    #6D243A

    oklch(37.8% 0.105 5.1)

  • #4F4100

    #4F4100

    oklch(37.9% 0.078 95.1)

  • #004D46

    #004D46

    oklch(37.8% 0.067 184.5)

  • #333A79

    #333A79

    oklch(37.8% 0.106 275.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #6D243A, closest first.

Similar named colors

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

Use #6D243A 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.