#671C35

Closest named color: Merlot (#730039). oklch(35.5% 0.109 4.2), rgb(103, 28, 53).

Aa

White text reads best on this color (11.70:1).

About this color

#671C35 is a dark, moderately saturated red. In OKLCH its lightness is 36%, its chroma 0.109 and its hue 4°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.038 away. White text reads best on it, at 11.70:1.

Hue familyReds
Lightnessdark (36%)
Chromamoderately saturated (0.109)
Temperaturewarm
Nearest nameMerlot (#730039)
Black text1.79:1
White text11.70:1

Values

HEX#671C35
RGBrgb(103, 28, 53)
HSLhsl(340, 57%, 26%)
OKLCHoklch(35.5% 0.109 4.2)

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 #671C35 11.70:1 AAA Lc -99.8 Preferred for body text
Black text on #671C35 1.79:1 Fails Lc 7.9 Not readable
#671C35 text on white 11.70:1 AAA Lc 96.0 Preferred for body text
#671C35 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

    #FCF3F4

    oklch(97.1% 0.01 9.5)

  2. Step 100

    100

    #F9E4E8

    oklch(93.7% 0.024 4.5)

  3. Step 200

    200

    #F5CDD5

    oklch(88.5% 0.046 4.6)

  4. Step 300

    300

    #EFABBA

    oklch(80.9% 0.082 4.5)

  5. Step 400

    400

    #E37C97

    oklch(70.8% 0.13 4.2)

  6. Step 500

    500

    #D8567D

    oklch(63.2% 0.166 4.5)

  7. Step 600

    600

    #C33567

    oklch(55.6% 0.181 4)

  8. Step 700

    700

    #A82655

    oklch(49.2% 0.168 4.4)

  9. Step 800

    800

    #882246

    oklch(42.7% 0.139 4)

  10. Step 900

    900 (this color)

    #671C35

    oklch(35.5% 0.109 4.2)

  11. Step 950

    950

    #411522

    oklch(27% 0.07 4.6)

Export this scale for Tailwind in the Tailwind colors tool

#671C35 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)#2C2F360.122
Deuteranopia (no green cones)#403E330.112
Tritanopia (no blue cones)#7011260.029
Achromatopsia (no color)#3838380.110

Harmonies

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

Complementary

The opposite hue (180°).

  • #671C35

    #671C35

    oklch(35.5% 0.109 4.2)

  • #004640

    #004640

    oklch(35.4% 0.062 185.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #671C35

    #671C35

    oklch(35.5% 0.109 4.2)

  • #5C2153

    #5C2153

    oklch(35.6% 0.109 334)

  • #691F0F

    #691F0F

    oklch(35.5% 0.109 33.8)

Open the analogous palette in the generator

Split complementary

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

  • #671C35

    #671C35

    oklch(35.5% 0.109 4.2)

  • #004925

    #004925

    oklch(35.6% 0.09 154)

  • #004450

    #004450

    oklch(35.6% 0.063 214.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #671C35

    #671C35

    oklch(35.5% 0.109 4.2)

  • #324300

    #324300

    oklch(35.5% 0.088 124.3)

  • #003F66

    #003F66

    oklch(35.5% 0.088 244.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #671C35

    #671C35

    oklch(35.5% 0.109 4.2)

  • #483B00

    #483B00

    oklch(35.6% 0.073 95)

  • #004640

    #004640

    oklch(35.4% 0.062 185.2)

  • #2C3474

    #2C3474

    oklch(35.6% 0.109 274.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #671C35, closest first.

Similar named colors

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

Use #671C35 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.