#6C1C43

Closest named color: Merlot (#730039). oklch(36.9% 0.119 354.7), rgb(108, 28, 67).

Aa

White text reads best on this color (11.14:1).

About this color

#6C1C43 is a dark, moderately saturated red. In OKLCH its lightness is 37%, its chroma 0.119 and its hue 355°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.031 away. White text reads best on it, at 11.14:1.

Hue familyReds
Lightnessdark (37%)
Chromamoderately saturated (0.119)
Temperaturewarm
Nearest nameMerlot (#730039)
Black text1.88:1
White text11.14:1

Values

HEX#6C1C43
RGBrgb(108, 28, 67)
HSLhsl(331, 59%, 27%)
OKLCHoklch(36.9% 0.119 354.7)

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 #6C1C43 11.14:1 AAA Lc -98.8 Preferred for body text
Black text on #6C1C43 1.88:1 Fails Lc 9.1 Not readable
#6C1C43 text on white 11.14:1 AAA Lc 94.8 Preferred for body text
#6C1C43 text on black 1.88:1 Fails Lc -7.8 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

    #FDF2F6

    oklch(97.1% 0.013 353.1)

  2. Step 100

    100

    #F9E3EB

    oklch(93.6% 0.026 353.5)

  3. Step 200

    200

    #F5CCDB

    oklch(88.5% 0.05 354.2)

  4. Step 300

    300

    #EFA9C4

    oklch(80.9% 0.089 354.4)

  5. Step 400

    400

    #E478A5

    oklch(70.7% 0.142 355)

  6. Step 500

    500

    #D94F90

    oklch(63.1% 0.183 354.5)

  7. Step 600

    600

    #C42B7A

    oklch(55.6% 0.199 354.6)

  8. Step 700

    700

    #A91B66

    oklch(49.1% 0.184 355)

  9. Step 800

    800

    #891B54

    oklch(42.7% 0.153 354.4)

  10. Step 900

    900 (this color)

    #6C1C43

    oklch(36.9% 0.119 354.7)

  11. Step 950

    950

    #411328

    oklch(26.9% 0.076 355.1)

Export this scale for Tailwind in the Tailwind colors tool

#6C1C43 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)#2A32440.134
Deuteranopia (no green cones)#4141410.119
Tritanopia (no blue cones)#75152D0.040
Achromatopsia (no color)#3B3B3B0.120

Harmonies

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

Complementary

The opposite hue (180°).

  • #6C1C43

    #6C1C43

    oklch(36.9% 0.119 354.7)

  • #004B3D

    #004B3D

    oklch(36.8% 0.07 174.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #6C1C43

    #6C1C43

    oklch(36.9% 0.119 354.7)

  • #5D2462

    #5D2462

    oklch(37% 0.119 324.4)

  • #711C1D

    #711C1D

    oklch(36.8% 0.119 24.6)

Open the analogous palette in the generator

Split complementary

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

  • #6C1C43

    #6C1C43

    oklch(36.9% 0.119 354.7)

  • #004E0E

    #004E0E

    oklch(36.8% 0.117 144.6)

  • #00494F

    #00494F

    oklch(37% 0.063 204.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #6C1C43

    #6C1C43

    oklch(36.9% 0.119 354.7)

  • #3F4400

    #3F4400

    oklch(36.9% 0.083 114.4)

  • #004562

    #004562

    oklch(36.8% 0.078 234.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #6C1C43

    #6C1C43

    oklch(36.9% 0.119 354.7)

  • #523C00

    #523C00

    oklch(37.1% 0.076 85.3)

  • #004B3D

    #004B3D

    oklch(36.8% 0.07 174.8)

  • #1F3A7D

    #1F3A7D

    oklch(36.9% 0.119 264.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #6C1C43, closest first.

Similar named colors

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

Use #6C1C43 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.