#A6437F

Closest named color: Light Plum (#9D5783). oklch(53.4% 0.147 345.9), rgb(166, 67, 127).

Aa

White text reads best on this color (5.62:1).

About this color

#A6437F is a medium-dark, vivid red. In OKLCH its lightness is 53%, its chroma 0.147 and its hue 346°. Its hue sits on the warm side of the wheel. The nearest named color is Light Plum (#9D5783), ΔE 0.044 away. White text reads best on it, at 5.62:1.

Hue familyReds
Lightnessmedium-dark (53%)
Chromavivid (0.147)
Temperaturewarm
Nearest nameLight Plum (#9D5783)
Black text3.73:1
White text5.62:1

Values

HEX#A6437F
RGBrgb(166, 67, 127)
HSLhsl(324, 42%, 46%)
OKLCHoklch(53.4% 0.147 345.9)

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 #A6437F 5.62:1 AA Lc -82.8 Fine for body text
Black text on #A6437F 3.73:1 AA large text Lc 26.5 Dividers and decoration only
#A6437F text on white 5.62:1 AA Lc 77.5 Fine for body text
#A6437F text on black 3.73:1 AA large text Lc -24.2 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

    #FAF3F7

    oklch(97.1% 0.009 341.8)

  2. Step 100

    100

    #F4E5EC

    oklch(93.6% 0.019 347.4)

  3. Step 200

    200

    #ECD0DE

    oklch(88.5% 0.036 346.2)

  4. Step 300

    300

    #E1B0CA

    oklch(80.9% 0.066 345.5)

  5. Step 400

    400

    #D085AF

    oklch(70.7% 0.106 345.5)

  6. Step 500

    500

    #C2659B

    oklch(63.1% 0.135 345.8)

  7. Step 600

    600 (this color)

    #A6437F

    oklch(53.4% 0.147 345.9)

  8. Step 700

    700

    #943A71

    oklch(49% 0.137 345.7)

  9. Step 800

    800

    #79315C

    oklch(42.8% 0.113 346.1)

  10. Step 900

    900

    #622C4B

    oklch(37.8% 0.088 346.6)

  11. Step 950

    950

    #391A2C

    oklch(26.9% 0.056 345.6)

Export this scale for Tailwind in the Tailwind colors tool

#A6437F 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)#4D5D810.159
Deuteranopia (no green cones)#696E7D0.143
Tritanopia (no blue cones)#B0425B0.060
Achromatopsia (no color)#6767670.149

Harmonies

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

Complementary

The opposite hue (180°).

  • #A6437F

    #A6437F

    oklch(53.4% 0.147 345.9)

  • #00815E

    #00815E

    oklch(53.5% 0.111 165.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #A6437F

    #A6437F

    oklch(53.4% 0.147 345.9)

  • #8D4DA6

    #8D4DA6

    oklch(53.3% 0.148 315.7)

  • #B2404F

    #B2404F

    oklch(53.4% 0.148 15.9)

Open the analogous palette in the generator

Split complementary

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

  • #A6437F

    #A6437F

    oklch(53.4% 0.147 345.9)

  • #427F16

    #427F16

    oklch(53.5% 0.147 135.7)

  • #007D7E

    #007D7E

    oklch(53.4% 0.091 195.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #A6437F

    #A6437F

    oklch(53.4% 0.147 345.9)

  • #767000

    #767000

    oklch(53.3% 0.114 105.9)

  • #00789A

    #00789A

    oklch(53.4% 0.102 226.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #A6437F

    #A6437F

    oklch(53.4% 0.147 345.9)

  • #926200

    #926200

    oklch(53.4% 0.112 75.5)

  • #00815E

    #00815E

    oklch(53.5% 0.111 165.9)

  • #296CC0

    #296CC0

    oklch(53.4% 0.148 256)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #A6437F, closest first.

Similar named colors

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

Use #A6437F 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.