#6D0138

Closest named color: Merlot (#730039). oklch(34.7% 0.14 359.1), rgb(109, 1, 56).

Aa

White text reads best on this color (12.26:1).

About this color

#6D0138 is a dark, vivid red. In OKLCH its lightness is 35%, its chroma 0.140 and its hue 359°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.014 away. White text reads best on it, at 12.26:1.

Hue familyReds
Lightnessdark (35%)
Chromavivid (0.140)
Temperaturewarm
Nearest nameMerlot (#730039)
Black text1.71:1
White text12.26:1

Values

HEX#6D0138
RGBrgb(109, 1, 56)
HSLhsl(329, 98%, 22%)
OKLCHoklch(34.7% 0.14 359.1)

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 #6D0138 12.26:1 AAA Lc -99.7 Preferred for body text
Black text on #6D0138 1.71:1 Fails Lc 7.9 Not readable
#6D0138 text on white 12.26:1 AAA Lc 96.0 Preferred for body text
#6D0138 text on black 1.71:1 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

    #FEF2F5

    oklch(97.1% 0.013 0.3)

  2. Step 100

    100

    #FCE2E9

    oklch(93.6% 0.03 359.5)

  3. Step 200

    200

    #FBCAD8

    oklch(88.6% 0.058 359.4)

  4. Step 300

    300

    #F9A4BF

    oklch(81% 0.105 359.1)

  5. Step 400

    400

    #F16D9E

    oklch(70.7% 0.169 359)

  6. Step 500

    500

    #E73B86

    oklch(63% 0.215 359.1)

  7. Step 600

    600

    #D00070

    oklch(55.6% 0.226 359.1)

  8. Step 700

    700

    #B0005E

    oklch(49.1% 0.2 359.1)

  9. Step 800

    800

    #92004D

    oklch(42.8% 0.174 359)

  10. Step 900

    900 (this color)

    #6D0138

    oklch(34.7% 0.14 359.1)

  11. Step 950

    950

    #460D25

    oklch(27% 0.089 359.5)

Export this scale for Tailwind in the Tailwind colors tool

#6D0138 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)#2128390.161
Deuteranopia (no green cones)#3E3C360.141
Tritanopia (no blue cones)#77001E0.049
Achromatopsia (no color)#3535350.141

Harmonies

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

Complementary

The opposite hue (180°).

  • #6D0138

    #6D0138

    oklch(34.7% 0.14 359.1)

  • #00443B

    #00443B

    oklch(34.7% 0.063 180.3)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #6D0138

    #6D0138

    oklch(34.7% 0.14 359.1)

  • #5E115C

    #5E115C

    oklch(34.7% 0.14 329.2)

  • #720302

    #720302

    oklch(34.9% 0.14 29.1)

Open the analogous palette in the generator

Split complementary

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

  • #6D0138

    #6D0138

    oklch(34.7% 0.14 359.1)

  • #00471A

    #00471A

    oklch(34.7% 0.098 148.9)

  • #00424B

    #00424B

    oklch(34.7% 0.06 210)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #6D0138

    #6D0138

    oklch(34.7% 0.14 359.1)

  • #353F00

    #353F00

    oklch(34.6% 0.082 119.3)

  • #003E5E

    #003E5E

    oklch(34.7% 0.079 239.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #6D0138

    #6D0138

    oklch(34.7% 0.14 359.1)

  • #493700

    #493700

    oklch(34.7% 0.071 88.2)

  • #00443B

    #00443B

    oklch(34.7% 0.063 180.3)

  • #1E2E81

    #1E2E81

    oklch(34.6% 0.141 269.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #6D0138, closest first.

Similar named colors

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

Use #6D0138 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.