#A6437C

Closest named color: Light Plum (#9D5783). oklch(53.3% 0.145 347.5), rgb(166, 67, 124).

Aa

White text reads best on this color (5.65:1).

About this color

#A6437C is a medium-dark, vivid red. In OKLCH its lightness is 53%, its chroma 0.145 and its hue 348°. Its hue sits on the warm side of the wheel. The nearest named color is Light Plum (#9D5783), ΔE 0.043 away. White text reads best on it, at 5.65:1.

Hue familyReds
Lightnessmedium-dark (53%)
Chromavivid (0.145)
Temperaturewarm
Nearest nameLight Plum (#9D5783)
Black text3.71:1
White text5.65:1

Values

HEX#A6437C
RGBrgb(166, 67, 124)
HSLhsl(325, 42%, 46%)
OKLCHoklch(53.3% 0.145 347.5)

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 #A6437C 5.65:1 AA Lc -82.9 Fine for body text
Black text on #A6437C 3.71:1 AA large text Lc 26.4 Dividers and decoration only
#A6437C text on white 5.65:1 AA Lc 77.6 Fine for body text
#A6437C text on black 3.71:1 AA large text Lc -24.1 Dividers and decoration only

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 600.

  1. Step 50

    50

    #FAF3F6

    oklch(97% 0.008 349.2)

  2. Step 100

    100

    #F4E5EC

    oklch(93.6% 0.019 347.4)

  3. Step 200

    200

    #ECD0DD

    oklch(88.5% 0.036 348.1)

  4. Step 300

    300

    #E1B0C8

    oklch(80.8% 0.065 347.7)

  5. Step 400

    400

    #D185AD

    oklch(70.7% 0.106 347.3)

  6. Step 500

    500

    #C36598

    oklch(63.2% 0.134 347.9)

  7. Step 600

    600 (this color)

    #A6437C

    oklch(53.3% 0.145 347.5)

  8. Step 700

    700

    #953B6F

    oklch(49.2% 0.135 347.4)

  9. Step 800

    800

    #79315A

    oklch(42.7% 0.112 347.6)

  10. Step 900

    900

    #622C4A

    oklch(37.7% 0.087 347.6)

  11. Step 950

    950

    #3A1A2B

    oklch(27% 0.056 348.4)

Export this scale for Tailwind in the Tailwind colors tool

#A6437C 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)#4E5C7E0.158
Deuteranopia (no green cones)#696D7A0.142
Tritanopia (no blue cones)#B1415A0.057
Achromatopsia (no color)#6767670.147

Harmonies

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

Complementary

The opposite hue (180°).

  • #A6437C

    #A6437C

    oklch(53.3% 0.145 347.5)

  • #008060

    #008060

    oklch(53.3% 0.108 167.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #A6437C

    #A6437C

    oklch(53.3% 0.145 347.5)

  • #8E4DA3

    #8E4DA3

    oklch(53.3% 0.146 317.4)

  • #B1414D

    #B1414D

    oklch(53.3% 0.146 17.2)

Open the analogous palette in the generator

Split complementary

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

  • #A6437C

    #A6437C

    oklch(53.3% 0.145 347.5)

  • #3E7F1E

    #3E7F1E

    oklch(53.3% 0.145 137.5)

  • #007C7F

    #007C7F

    oklch(53.2% 0.091 197.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #A6437C

    #A6437C

    oklch(53.3% 0.145 347.5)

  • #747100

    #747100

    oklch(53.4% 0.115 107.9)

  • #00789B

    #00789B

    oklch(53.4% 0.103 227)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #A6437C

    #A6437C

    oklch(53.3% 0.145 347.5)

  • #906300

    #906300

    oklch(53.4% 0.111 77.6)

  • #008060

    #008060

    oklch(53.3% 0.108 167.7)

  • #2F6BBF

    #2F6BBF

    oklch(53.3% 0.146 257.5)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #A6437C, closest first.

Similar named colors

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

Use #A6437C 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.