#6C1838

Closest named color: Merlot (#730039). oklch(36.1% 0.12 2.4), rgb(108, 24, 56).

Aa

White text reads best on this color (11.50:1).

About this color

#6C1838 is a dark, moderately saturated red. In OKLCH its lightness is 36%, its chroma 0.120 and its hue 2°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.026 away. White text reads best on it, at 11.50:1.

Hue familyReds
Lightnessdark (36%)
Chromamoderately saturated (0.120)
Temperaturewarm
Nearest nameMerlot (#730039)
Black text1.82:1
White text11.50:1

Values

HEX#6C1838
RGBrgb(108, 24, 56)
HSLhsl(337, 64%, 26%)
OKLCHoklch(36.1% 0.12 2.4)

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 #6C1838 11.50:1 AAA Lc -99.3 Preferred for body text
Black text on #6C1838 1.82:1 Fails Lc 8.5 Not readable
#6C1838 text on white 11.50:1 AAA Lc 95.4 Preferred for body text
#6C1838 text on black 1.82:1 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

    #FDF2F5

    oklch(97.1% 0.012 358.8)

  2. Step 100

    100

    #FAE3E8

    oklch(93.6% 0.026 2.8)

  3. Step 200

    200

    #F7CCD6

    oklch(88.5% 0.05 2.5)

  4. Step 300

    300

    #F2A9BC

    oklch(81% 0.089 2.2)

  5. Step 400

    400

    #E87799

    oklch(70.7% 0.143 2.3)

  6. Step 500

    500

    #DD4E80

    oklch(63.1% 0.182 2.4)

  7. Step 600

    600

    #C92869

    oklch(55.7% 0.199 2.6)

  8. Step 700

    700

    #AD1658

    oklch(49.1% 0.186 2.2)

  9. Step 800

    800

    #8C1848

    oklch(42.6% 0.153 2.1)

  10. Step 900

    900 (this color)

    #6C1838

    oklch(36.1% 0.12 2.4)

  11. Step 950

    950

    #431323

    oklch(27.1% 0.076 3)

Export this scale for Tailwind in the Tailwind colors tool

#6C1838 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)#2B2F390.135
Deuteranopia (no green cones)#423F360.121
Tritanopia (no blue cones)#7609260.034
Achromatopsia (no color)#3939390.121

Harmonies

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

Complementary

The opposite hue (180°).

  • #6C1838

    #6C1838

    oklch(36.1% 0.12 2.4)

  • #004840

    #004840

    oklch(36% 0.064 182.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #6C1838

    #6C1838

    oklch(36.1% 0.12 2.4)

  • #5F1F58

    #5F1F58

    oklch(36.1% 0.119 332.3)

  • #6F1B0C

    #6F1B0C

    oklch(36.1% 0.12 32.4)

Open the analogous palette in the generator

Split complementary

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

  • #6C1838

    #6C1838

    oklch(36.1% 0.12 2.4)

  • #004B23

    #004B23

    oklch(36.2% 0.095 152.2)

  • #004651

    #004651

    oklch(36.2% 0.063 212.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #6C1838

    #6C1838

    oklch(36.1% 0.12 2.4)

  • #364400

    #364400

    oklch(36.1% 0.088 121.9)

  • #004167

    #004167

    oklch(36.1% 0.087 243.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #6C1838

    #6C1838

    oklch(36.1% 0.12 2.4)

  • #4B3C00

    #4B3C00

    oklch(36.2% 0.074 93)

  • #004840

    #004840

    oklch(36% 0.064 182.4)

  • #2A357B

    #2A357B

    oklch(36.2% 0.119 272.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #6C1838, closest first.

Similar named colors

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

Use #6C1838 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.