#6B2139

Closest named color: Merlot (#730039). oklch(37% 0.107 4.1), rgb(107, 33, 57).

Aa

White text reads best on this color (11.04:1).

About this color

#6B2139 is a dark, moderately saturated red. In OKLCH its lightness is 37%, its chroma 0.107 and its hue 4°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.040 away. White text reads best on it, at 11.04:1.

Hue familyReds
Lightnessdark (37%)
Chromamoderately saturated (0.107)
Temperaturewarm
Nearest nameMerlot (#730039)
Black text1.90:1
White text11.04:1

Values

HEX#6B2139
RGBrgb(107, 33, 57)
HSLhsl(341, 53%, 27%)
OKLCHoklch(37% 0.107 4.1)

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 #6B2139 11.04:1 AAA Lc -98.7 Preferred for body text
Black text on #6B2139 1.90:1 Fails Lc 9.1 Not readable
#6B2139 text on white 11.04:1 AAA Lc 94.8 Preferred for body text
#6B2139 text on black 1.90:1 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

    #FCF3F4

    oklch(97.1% 0.01 9.5)

  2. Step 100

    100

    #F8E4E8

    oklch(93.6% 0.022 3.8)

  3. Step 200

    200

    #F4CED6

    oklch(88.6% 0.044 3.8)

  4. Step 300

    300

    #EEABBA

    oklch(80.8% 0.081 4.3)

  5. Step 400

    400

    #E27C97

    oklch(70.6% 0.129 4)

  6. Step 500

    500

    #D7577E

    oklch(63.2% 0.164 4.1)

  7. Step 600

    600

    #C23667

    oklch(55.6% 0.179 4)

  8. Step 700

    700

    #A72756

    oklch(49.1% 0.167 3.8)

  9. Step 800

    800

    #882346

    oklch(42.8% 0.138 4.2)

  10. Step 900

    900 (this color)

    #6B2139

    oklch(37% 0.107 4.1)

  11. Step 950

    950

    #401622

    oklch(27% 0.067 4.8)

Export this scale for Tailwind in the Tailwind colors tool

#6B2139 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)#30333A0.120
Deuteranopia (no green cones)#4441370.108
Tritanopia (no blue cones)#74172A0.029
Achromatopsia (no color)#3C3C3C0.108

Harmonies

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

Complementary

The opposite hue (180°).

  • #6B2139

    #6B2139

    oklch(37% 0.107 4.1)

  • #004B44

    #004B44

    oklch(37.1% 0.066 184.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #6B2139

    #6B2139

    oklch(37% 0.107 4.1)

  • #602657

    #602657

    oklch(37.1% 0.107 333.9)

  • #6D2414

    #6D2414

    oklch(36.9% 0.107 33.9)

Open the analogous palette in the generator

Split complementary

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

  • #6B2139

    #6B2139

    oklch(37% 0.107 4.1)

  • #004D28

    #004D28

    oklch(36.9% 0.092 154.4)

  • #004855

    #004855

    oklch(37% 0.065 214.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #6B2139

    #6B2139

    oklch(37% 0.107 4.1)

  • #364700

    #364700

    oklch(37% 0.091 123.7)

  • #00436C

    #00436C

    oklch(36.9% 0.092 244.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #6B2139

    #6B2139

    oklch(37% 0.107 4.1)

  • #4D3E00

    #4D3E00

    oklch(36.9% 0.076 93.4)

  • #004B44

    #004B44

    oklch(37.1% 0.066 184.2)

  • #2F3877

    #2F3877

    oklch(36.9% 0.107 273.8)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #6B2139, closest first.

Similar named colors

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

Use #6B2139 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.