#671B35

Closest named color: Merlot (#730039). oklch(35.4% 0.11 3.9), rgb(103, 27, 53).

Aa

White text reads best on this color (11.76:1).

About this color

#671B35 is a dark, moderately saturated red. In OKLCH its lightness is 35%, its chroma 0.110 and its hue 4°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.037 away. White text reads best on it, at 11.76:1.

Hue familyReds
Lightnessdark (35%)
Chromamoderately saturated (0.110)
Temperaturewarm
Nearest nameMerlot (#730039)
Black text1.78:1
White text11.76:1

Values

HEX#671B35
RGBrgb(103, 27, 53)
HSLhsl(339, 58%, 25%)
OKLCHoklch(35.4% 0.11 3.9)

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 #671B35 11.76:1 AAA Lc -99.9 Preferred for body text
Black text on #671B35 1.78:1 Fails Lc 7.8 Not readable
#671B35 text on white 11.76:1 AAA Lc 96.1 Preferred for body text
#671B35 text on black 1.78:1 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

    #F5CDD6

    oklch(88.5% 0.046 2.9)

  4. Step 300

    300

    #EFABBA

    oklch(80.9% 0.082 4.5)

  5. Step 400

    400

    #E47B97

    oklch(70.7% 0.133 4)

  6. Step 500

    500

    #D8557E

    oklch(63.1% 0.168 3.8)

  7. Step 600

    600

    #C43467

    oklch(55.7% 0.183 4.1)

  8. Step 700

    700

    #A82456

    oklch(49% 0.17 3.6)

  9. Step 800

    800

    #892146

    oklch(42.8% 0.141 4.1)

  10. Step 900

    900 (this color)

    #671B35

    oklch(35.4% 0.11 3.9)

  11. Step 950

    950

    #411523

    oklch(27% 0.07 3.2)

Export this scale for Tailwind in the Tailwind colors tool

#671B35 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)#2C2E360.122
Deuteranopia (no green cones)#403D330.111
Tritanopia (no blue cones)#700F260.029
Achromatopsia (no color)#3838380.111

Harmonies

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

Complementary

The opposite hue (180°).

  • #671B35

    #671B35

    oklch(35.4% 0.11 3.9)

  • #00463F

    #00463F

    oklch(35.4% 0.063 183.6)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #671B35

    #671B35

    oklch(35.4% 0.11 3.9)

  • #5C2053

    #5C2053

    oklch(35.4% 0.11 334)

  • #691E0E

    #691E0E

    oklch(35.3% 0.11 33.6)

Open the analogous palette in the generator

Split complementary

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

  • #671B35

    #671B35

    oklch(35.4% 0.11 3.9)

  • #004925

    #004925

    oklch(35.6% 0.09 154)

  • #00444F

    #00444F

    oklch(35.5% 0.062 212.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #671B35

    #671B35

    oklch(35.4% 0.11 3.9)

  • #324300

    #324300

    oklch(35.5% 0.088 124.3)

  • #003F65

    #003F65

    oklch(35.4% 0.087 243.7)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #671B35

    #671B35

    oklch(35.4% 0.11 3.9)

  • #483A00

    #483A00

    oklch(35.3% 0.072 93.7)

  • #00463F

    #00463F

    oklch(35.4% 0.063 183.6)

  • #2B3374

    #2B3374

    oklch(35.3% 0.111 274)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #671B35, closest first.

Similar named colors

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

Use #671B35 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.