#6B173B

Closest named color: Merlot (#730039). oklch(35.9% 0.121 359.4), rgb(107, 23, 59).

Aa

White text reads best on this color (11.59:1).

About this color

#6B173B is a dark, moderately saturated red. In OKLCH its lightness is 36%, its chroma 0.121 and its hue 359°. 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 11.59:1.

Hue familyReds
Lightnessdark (36%)
Chromamoderately saturated (0.121)
Temperaturewarm
Nearest nameMerlot (#730039)
Black text1.81:1
White text11.59:1

Values

HEX#6B173B
RGBrgb(107, 23, 59)
HSLhsl(334, 65%, 25%)
OKLCHoklch(35.9% 0.121 359.4)

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 #6B173B 11.59:1 AAA Lc -99.4 Preferred for body text
Black text on #6B173B 1.81:1 Fails Lc 8.3 Not readable
#6B173B text on white 11.59:1 AAA Lc 95.6 Preferred for body text
#6B173B text on black 1.81:1 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

    #FAE3E9

    oklch(93.6% 0.026 359.9)

  3. Step 200

    200

    #F7CCD8

    oklch(88.6% 0.051 359.6)

  4. Step 300

    300

    #F2A8BF

    oklch(80.9% 0.091 359.1)

  5. Step 400

    400

    #E7779E

    oklch(70.7% 0.144 359.3)

  6. Step 500

    500

    #DD4D86

    oklch(63.2% 0.186 359.5)

  7. Step 600

    600

    #C82770

    oklch(55.7% 0.201 359.4)

  8. Step 700

    700

    #AC155D

    oklch(49% 0.187 359.6)

  9. Step 800

    800

    #8C174C

    oklch(42.7% 0.156 359.6)

  10. Step 900

    900 (this color)

    #6B173B

    oklch(35.9% 0.121 359.4)

  11. Step 950

    950

    #421325

    oklch(27% 0.075 359.7)

Export this scale for Tailwind in the Tailwind colors tool

#6B173B 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)#292F3C0.136
Deuteranopia (no green cones)#403F390.123
Tritanopia (no blue cones)#740A270.036
Achromatopsia (no color)#3939390.122

Harmonies

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

Complementary

The opposite hue (180°).

  • #6B173B

    #6B173B

    oklch(35.9% 0.121 359.4)

  • #00483E

    #00483E

    oklch(36% 0.065 179.5)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #6B173B

    #6B173B

    oklch(35.9% 0.121 359.4)

  • #5D1F5B

    #5D1F5B

    oklch(35.9% 0.12 329)

  • #6F1911

    #6F1911

    oklch(35.9% 0.121 29.6)

Open the analogous palette in the generator

Split complementary

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

  • #6B173B

    #6B173B

    oklch(35.9% 0.121 359.4)

  • #004B1D

    #004B1D

    oklch(36.1% 0.101 149.4)

  • #00464F

    #00464F

    oklch(36.1% 0.062 209.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #6B173B

    #6B173B

    oklch(35.9% 0.121 359.4)

  • #384300

    #384300

    oklch(36% 0.085 119.7)

  • #004263

    #004263

    oklch(36.1% 0.081 239.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #6B173B

    #6B173B

    oklch(35.9% 0.121 359.4)

  • #4C3A00

    #4C3A00

    oklch(35.8% 0.073 89.1)

  • #00483E

    #00483E

    oklch(36% 0.065 179.5)

  • #25357B

    #25357B

    oklch(35.9% 0.12 269.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #6B173B, closest first.

Similar named colors

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

Use #6B173B 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.