#A6374C

Closest named color: Light Burgundy (#A8415B). oklch(50.3% 0.146 12.9), rgb(166, 55, 76).

Aa

White text reads best on this color (6.41:1).

About this color

#A6374C is a medium-dark, vivid red. In OKLCH its lightness is 50%, its chroma 0.146 and its hue 13°. Its hue sits on the warm side of the wheel. The nearest named color is Light Burgundy (#A8415B), ΔE 0.025 away. White text reads best on it, at 6.41:1.

Hue familyReds
Lightnessmedium-dark (50%)
Chromavivid (0.146)
Temperaturewarm
Nearest nameLight Burgundy (#A8415B)
Black text3.27:1
White text6.41:1

Values

HEX#A6374C
RGBrgb(166, 55, 76)
HSLhsl(349, 50%, 43%)
OKLCHoklch(50.3% 0.146 12.9)

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 #A6374C 6.41:1 AA Lc -86.1 Fine for body text
Black text on #A6374C 3.27:1 AA large text Lc 23.1 Dividers and decoration only
#A6374C text on white 6.41:1 AA Lc 81.0 Fine for body text
#A6374C text on black 3.27:1 AA large text Lc -20.9 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 700.

  1. Step 50

    50

    #FCF3F4

    oklch(97.1% 0.01 9.5)

  2. Step 100

    100

    #F7E5E6

    oklch(93.7% 0.02 13.6)

  3. Step 200

    200

    #F2CFD2

    oklch(88.5% 0.04 12.1)

  4. Step 300

    300

    #EAAEB4

    oklch(80.8% 0.071 12.1)

  5. Step 400

    400

    #DD828D

    oklch(70.7% 0.113 12.6)

  6. Step 500

    500

    #D15F70

    oklch(63% 0.145 13)

  7. Step 600

    600

    #BC4359

    oklch(55.6% 0.156 12.9)

  8. Step 700

    700 (this color)

    #A6374C

    oklch(50.3% 0.146 12.9)

  9. Step 800

    800

    #842C3C

    oklch(42.8% 0.121 13)

  10. Step 900

    900

    #6A2933

    oklch(37.7% 0.093 13.3)

  11. Step 950

    950

    #3E191E

    oklch(27% 0.058 13.4)

Export this scale for Tailwind in the Tailwind colors tool

#A6374C 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)#52504C0.160
Deuteranopia (no green cones)#6E67490.148
Tritanopia (no blue cones)#B5223F0.037
Achromatopsia (no color)#5F5F5F0.147

Harmonies

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

Complementary

The opposite hue (180°).

  • #A6374C

    #A6374C

    oklch(50.3% 0.146 12.9)

  • #007371

    #007371

    oklch(50.2% 0.086 192.6)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #A6374C

    #A6374C

    oklch(50.3% 0.146 12.9)

  • #993B7A

    #993B7A

    oklch(50.3% 0.145 342.6)

  • #A54007

    #A54007

    oklch(50.4% 0.146 42.9)

Open the analogous palette in the generator

Split complementary

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

  • #A6374C

    #A6374C

    oklch(50.3% 0.146 12.9)

  • #007752

    #007752

    oklch(50.4% 0.109 163.1)

  • #006F8B

    #006F8B

    oklch(50.3% 0.094 223.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #A6374C

    #A6374C

    oklch(50.3% 0.146 12.9)

  • #427400

    #427400

    oklch(50.4% 0.142 132.8)

  • #1164B4

    #1164B4

    oklch(50.2% 0.146 253.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #A6374C

    #A6374C

    oklch(50.3% 0.146 12.9)

  • #706600

    #706600

    oklch(50.4% 0.106 102.8)

  • #007371

    #007371

    oklch(50.2% 0.086 192.6)

  • #5B54B3

    #5B54B3

    oklch(50.2% 0.146 283.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #A6374C, closest first.

Similar named colors

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

Use #A6374C 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.