#671739

Closest named color: Merlot (#730039). oklch(35.1% 0.116 359.4), rgb(103, 23, 57).

Aa

White text reads best on this color (11.94:1).

About this color

#671739 is a dark, moderately saturated red. In OKLCH its lightness is 35%, its chroma 0.116 and its hue 359°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.030 away. White text reads best on it, at 11.94:1.

Hue familyReds
Lightnessdark (35%)
Chromamoderately saturated (0.116)
Temperaturewarm
Nearest nameMerlot (#730039)
Black text1.75:1
White text11.94:1

Values

HEX#671739
RGBrgb(103, 23, 57)
HSLhsl(335, 63%, 25%)
OKLCHoklch(35.1% 0.116 359.4)

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 #671739 11.94:1 AAA Lc -100.1 Preferred for body text
Black text on #671739 1.75:1 Fails Lc 7.5 Not readable
#671739 text on white 11.94:1 AAA Lc 96.3 Preferred for body text
#671739 text on black 1.75:1 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

    #F9E3E9

    oklch(93.5% 0.025 359.2)

  3. Step 200

    200

    #F6CCD8

    oklch(88.5% 0.05 359.1)

  4. Step 300

    300

    #F0A9BF

    oklch(80.8% 0.088 359)

  5. Step 400

    400

    #E5799E

    oklch(70.8% 0.139 359.5)

  6. Step 500

    500

    #DA5086

    oklch(63% 0.179 359.4)

  7. Step 600

    600

    #C52D70

    oklch(55.6% 0.194 359.3)

  8. Step 700

    700

    #AA1D5E

    oklch(49.2% 0.181 359.3)

  9. Step 800

    800

    #8A1C4D

    oklch(42.7% 0.15 359.1)

  10. Step 900

    900 (this color)

    #671739

    oklch(35.1% 0.116 359.4)

  11. Step 950

    950

    #411425

    oklch(26.9% 0.073 359.7)

Export this scale for Tailwind in the Tailwind colors tool

#671739 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)#282D3A0.131
Deuteranopia (no green cones)#3E3C370.117
Tritanopia (no blue cones)#700B260.035
Achromatopsia (no color)#3737370.117

Harmonies

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

Complementary

The opposite hue (180°).

  • #671739

    #671739

    oklch(35.1% 0.116 359.4)

  • #00453C

    #00453C

    oklch(35% 0.063 180.5)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #671739

    #671739

    oklch(35.1% 0.116 359.4)

  • #5A1E58

    #5A1E58

    oklch(35.2% 0.117 329.1)

  • #6B1912

    #6B1912

    oklch(35.2% 0.117 29.2)

Open the analogous palette in the generator

Split complementary

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

  • #671739

    #671739

    oklch(35.1% 0.116 359.4)

  • #00481C

    #00481C

    oklch(35.1% 0.098 149.6)

  • #00434C

    #00434C

    oklch(35.1% 0.061 209.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #671739

    #671739

    oklch(35.1% 0.116 359.4)

  • #364000

    #364000

    oklch(35% 0.082 119.2)

  • #003F60

    #003F60

    oklch(35.1% 0.08 240.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #671739

    #671739

    oklch(35.1% 0.116 359.4)

  • #4A3800

    #4A3800

    oklch(35.1% 0.072 88.5)

  • #00453C

    #00453C

    oklch(35% 0.063 180.5)

  • #233377

    #233377

    oklch(35% 0.118 269.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #671739, closest first.

Similar named colors

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

Use #671739 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.