#661D34

Closest named color: Merlot (#730039). oklch(35.4% 0.106 5.1), rgb(102, 29, 52).

Aa

White text reads best on this color (11.72:1).

About this color

#661D34 is a dark, moderately saturated red. In OKLCH its lightness is 35%, its chroma 0.106 and its hue 5°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.041 away. White text reads best on it, at 11.72:1.

Hue familyReds
Lightnessdark (35%)
Chromamoderately saturated (0.106)
Temperaturewarm
Nearest nameMerlot (#730039)
Black text1.79:1
White text11.72:1

Values

HEX#661D34
RGBrgb(102, 29, 52)
HSLhsl(341, 56%, 26%)
OKLCHoklch(35.4% 0.106 5.1)

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 #661D34 11.72:1 AAA Lc -99.9 Preferred for body text
Black text on #661D34 1.79:1 Fails Lc 7.8 Not readable
#661D34 text on white 11.72:1 AAA Lc 96.1 Preferred for body text
#661D34 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

    #F8E4E8

    oklch(93.6% 0.022 3.8)

  3. Step 200

    200

    #F4CED5

    oklch(88.6% 0.044 5.5)

  4. Step 300

    300

    #EEACB9

    oklch(81% 0.079 6)

  5. Step 400

    400

    #E27D96

    oklch(70.8% 0.127 5)

  6. Step 500

    500

    #D6577C

    oklch(63% 0.163 4.9)

  7. Step 600

    600

    #C23865

    oklch(55.7% 0.177 5.3)

  8. Step 700

    700

    #A72854

    oklch(49.1% 0.165 5.1)

  9. Step 800

    800

    #872445

    oklch(42.7% 0.136 4.9)

  10. Step 900

    900 (this color)

    #661D34

    oklch(35.4% 0.106 5.1)

  11. Step 950

    950

    #401622

    oklch(27% 0.067 4.8)

Export this scale for Tailwind in the Tailwind colors tool

#661D34 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)#2D2F350.118
Deuteranopia (no green cones)#403D320.108
Tritanopia (no blue cones)#6F12260.028
Achromatopsia (no color)#3838380.107

Harmonies

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

Complementary

The opposite hue (180°).

  • #661D34

    #661D34

    oklch(35.4% 0.106 5.1)

  • #004640

    #004640

    oklch(35.4% 0.062 185.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #661D34

    #661D34

    oklch(35.4% 0.106 5.1)

  • #5B2151

    #5B2151

    oklch(35.3% 0.106 334.9)

  • #68210F

    #68210F

    oklch(35.6% 0.106 35.1)

Open the analogous palette in the generator

Split complementary

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

  • #661D34

    #661D34

    oklch(35.4% 0.106 5.1)

  • #004826

    #004826

    oklch(35.3% 0.087 155)

  • #004450

    #004450

    oklch(35.6% 0.063 214.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #661D34

    #661D34

    oklch(35.4% 0.106 5.1)

  • #314300

    #314300

    oklch(35.4% 0.089 125)

  • #003F67

    #003F67

    oklch(35.5% 0.089 245)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #661D34

    #661D34

    oklch(35.4% 0.106 5.1)

  • #483B00

    #483B00

    oklch(35.6% 0.073 95)

  • #004640

    #004640

    oklch(35.4% 0.062 185.2)

  • #2D3472

    #2D3472

    oklch(35.5% 0.106 274.8)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #661D34, closest first.

Similar named colors

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

Use #661D34 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.