#6C1535

Closest named color: Merlot (#730039). oklch(35.7% 0.122 4), rgb(108, 21, 53).

Aa

White text reads best on this color (11.69:1).

About this color

#6C1535 is a dark, moderately saturated red. In OKLCH its lightness is 36%, its chroma 0.122 and its hue 4°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.025 away. White text reads best on it, at 11.69:1.

Hue familyReds
Lightnessdark (36%)
Chromamoderately saturated (0.122)
Temperaturewarm
Nearest nameMerlot (#730039)
Black text1.79:1
White text11.69:1

Values

HEX#6C1535
RGBrgb(108, 21, 53)
HSLhsl(338, 67%, 25%)
OKLCHoklch(35.7% 0.122 4)

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 #6C1535 11.69:1 AAA Lc -99.5 Preferred for body text
Black text on #6C1535 1.79:1 Fails Lc 8.2 Not readable
#6C1535 text on white 11.69:1 AAA Lc 95.7 Preferred for body text
#6C1535 text on black 1.79:1 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

    #FDF2F4

    oklch(97% 0.012 4.7)

  2. Step 100

    100

    #FAE3E8

    oklch(93.6% 0.026 2.8)

  3. Step 200

    200

    #F8CCD5

    oklch(88.6% 0.051 4.4)

  4. Step 300

    300

    #F4A8BA

    oklch(81% 0.092 3.8)

  5. Step 400

    400

    #EA7696

    oklch(70.7% 0.146 4)

  6. Step 500

    500

    #E04B7C

    oklch(63.1% 0.188 4.1)

  7. Step 600

    600

    #CB2366

    oklch(55.6% 0.204 3.8)

  8. Step 700

    700

    #AF1154

    oklch(49.1% 0.189 4.2)

  9. Step 800

    800

    #8E1545

    oklch(42.7% 0.157 4)

  10. Step 900

    900 (this color)

    #6C1535

    oklch(35.7% 0.122 4)

  11. Step 950

    950

    #431222

    oklch(26.9% 0.077 3.8)

Export this scale for Tailwind in the Tailwind colors tool

#6C1535 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)#2A2D360.138
Deuteranopia (no green cones)#413E330.124
Tritanopia (no blue cones)#7602230.034
Achromatopsia (no color)#3838380.123

Harmonies

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

Complementary

The opposite hue (180°).

  • #6C1535

    #6C1535

    oklch(35.7% 0.122 4)

  • #004740

    #004740

    oklch(35.7% 0.063 183.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #6C1535

    #6C1535

    oklch(35.7% 0.122 4)

  • #601C56

    #601C56

    oklch(35.8% 0.122 334.2)

  • #6E1905

    #6E1905

    oklch(35.7% 0.122 34)

Open the analogous palette in the generator

Split complementary

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

  • #6C1535

    #6C1535

    oklch(35.7% 0.122 4)

  • #004A25

    #004A25

    oklch(35.9% 0.091 153.7)

  • #004550

    #004550

    oklch(35.9% 0.063 212.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #6C1535

    #6C1535

    oklch(35.7% 0.122 4)

  • #334400

    #334400

    oklch(35.9% 0.089 124.1)

  • #004067

    #004067

    oklch(35.8% 0.088 244)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #6C1535

    #6C1535

    oklch(35.7% 0.122 4)

  • #493B00

    #493B00

    oklch(35.7% 0.073 93.9)

  • #004740

    #004740

    oklch(35.7% 0.063 183.8)

  • #2B327B

    #2B327B

    oklch(35.7% 0.123 274.2)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #6C1535, closest first.

Similar named colors

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

Use #6C1535 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.