#A3375D

Closest named color: Light Burgundy (#A8415B). oklch(50.3% 0.146 2.3), rgb(163, 55, 93).

Aa

White text reads best on this color (6.43:1).

About this color

#A3375D is a medium-dark, vivid red. In OKLCH its lightness is 50%, its chroma 0.146 and its hue 2°. 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 6.43:1.

Hue familyReds
Lightnessmedium-dark (50%)
Chromavivid (0.146)
Temperaturewarm
Nearest nameLight Burgundy (#A8415B)
Black text3.26:1
White text6.43:1

Values

HEX#A3375D
RGBrgb(163, 55, 93)
HSLhsl(339, 50%, 43%)
OKLCHoklch(50.3% 0.146 2.3)

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 #A3375D 6.43:1 AA Lc -86.3 Fine for body text
Black text on #A3375D 3.26:1 AA large text Lc 22.9 Dividers and decoration only
#A3375D text on white 6.43:1 AA Lc 81.1 Fine for body text
#A3375D text on black 3.26:1 AA large text Lc -20.7 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

    #FBF3F5

    oklch(97.1% 0.009 0.1)

  2. Step 100

    100

    #F7E5E9

    oklch(93.7% 0.02 2.3)

  3. Step 200

    200

    #F1CFD7

    oklch(88.5% 0.039 2)

  4. Step 300

    300

    #E8AEBD

    oklch(80.8% 0.07 1.7)

  5. Step 400

    400

    #DB829B

    oklch(70.8% 0.113 2.3)

  6. Step 500

    500

    #CE5F82

    oklch(63.1% 0.145 2.3)

  7. Step 600

    600

    #B9436C

    oklch(55.6% 0.156 2.1)

  8. Step 700

    700 (this color)

    #A3375D

    oklch(50.3% 0.146 2.3)

  9. Step 800

    800

    #812C49

    oklch(42.7% 0.12 2.6)

  10. Step 900

    900

    #68293D

    oklch(37.7% 0.093 2.7)

  11. Step 950

    950

    #3D1824

    oklch(26.8% 0.06 1.5)

Export this scale for Tailwind in the Tailwind colors tool

#A3375D 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)#4D515E0.162
Deuteranopia (no green cones)#69665A0.148
Tritanopia (no blue cones)#B12A460.042
Achromatopsia (no color)#5E5E5E0.147

Harmonies

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

Complementary

The opposite hue (180°).

  • #A3375D

    #A3375D

    oklch(50.3% 0.146 2.3)

  • #007468

    #007468

    oklch(50.2% 0.09 182.5)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #A3375D

    #A3375D

    oklch(50.3% 0.146 2.3)

  • #923E88

    #923E88

    oklch(50.3% 0.146 332.3)

  • #A73B28

    #A73B28

    oklch(50.3% 0.146 32.2)

Open the analogous palette in the generator

Split complementary

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

  • #A3375D

    #A3375D

    oklch(50.3% 0.146 2.3)

  • #00783C

    #00783C

    oklch(50.2% 0.131 152.3)

  • #007181

    #007181

    oklch(50.3% 0.088 211.7)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #A3375D

    #A3375D

    oklch(50.3% 0.146 2.3)

  • #586E00

    #586E00

    oklch(50.2% 0.122 122.3)

  • #006AA2

    #006AA2

    oklch(50.3% 0.12 242.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #A3375D

    #A3375D

    oklch(50.3% 0.146 2.3)

  • #796100

    #796100

    oklch(50.2% 0.103 91.9)

  • #007468

    #007468

    oklch(50.2% 0.09 182.5)

  • #495AB6

    #495AB6

    oklch(50.3% 0.146 272.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #A3375D, closest first.

Similar named colors

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

Use #A3375D 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.