#A3306D

Closest named color: Deep Magenta (#A0025C). oklch(50.1% 0.162 351.9), rgb(163, 48, 109).

Aa

White text reads best on this color (6.56:1).

About this color

#A3306D is a medium-dark, vivid red. In OKLCH its lightness is 50%, its chroma 0.162 and its hue 352°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Magenta (#A0025C), ΔE 0.049 away. White text reads best on it, at 6.56:1.

Hue familyReds
Lightnessmedium-dark (50%)
Chromavivid (0.162)
Temperaturewarm
Nearest nameDeep Magenta (#A0025C)
Black text3.20:1
White text6.56:1

Values

HEX#A3306D
RGBrgb(163, 48, 109)
HSLhsl(328, 55%, 41%)
OKLCHoklch(50.1% 0.162 351.9)

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 #A3306D 6.56:1 AA Lc -86.6 Fine for body text
Black text on #A3306D 3.20:1 AA large text Lc 22.6 Dividers and decoration only
#A3306D text on white 6.56:1 AA Lc 81.5 Fine for body text
#A3306D text on black 3.20:1 AA large text Lc -20.4 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

    #FCF3F6

    oklch(97.2% 0.01 354.9)

  2. Step 100

    100

    #F7E4EB

    oklch(93.6% 0.023 353.2)

  3. Step 200

    200

    #F1CEDC

    oklch(88.5% 0.043 352)

  4. Step 300

    300

    #E9ACC6

    oklch(80.9% 0.079 351.7)

  5. Step 400

    400

    #DB7EA9

    oklch(70.6% 0.125 351.6)

  6. Step 500

    500

    #CF5A94

    oklch(63.1% 0.16 351.8)

  7. Step 600

    600

    #BA3C7E

    oklch(55.6% 0.174 351.9)

  8. Step 700

    700 (this color)

    #A3306D

    oklch(50.1% 0.162 351.9)

  9. Step 800

    800

    #822757

    oklch(42.8% 0.134 351.8)

  10. Step 900

    900

    #692547

    oklch(37.7% 0.105 352.2)

  11. Step 950

    950

    #3E172A

    oklch(27.1% 0.066 352)

Export this scale for Tailwind in the Tailwind colors tool

#A3306D 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)#43506F0.179
Deuteranopia (no green cones)#63656A0.161
Tritanopia (no blue cones)#AF284A0.058
Achromatopsia (no color)#5D5D5D0.163

Harmonies

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

Complementary

The opposite hue (180°).

  • #A3306D

    #A3306D

    oklch(50.1% 0.162 351.9)

  • #00755D

    #00755D

    oklch(50.1% 0.097 171.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #A3306D

    #A3306D

    oklch(50.1% 0.162 351.9)

  • #8C3C99

    #8C3C99

    oklch(50.1% 0.161 321.9)

  • #AC2F37

    #AC2F37

    oklch(50% 0.161 21.9)

Open the analogous palette in the generator

Split complementary

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

  • #A3306D

    #A3306D

    oklch(50.1% 0.162 351.9)

  • #16780C

    #16780C

    oklch(49.9% 0.161 141.9)

  • #007178

    #007178

    oklch(50% 0.085 202.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #A3306D

    #A3306D

    oklch(50.1% 0.162 351.9)

  • #666900

    #666900

    oklch(50.1% 0.111 111.7)

  • #006C93

    #006C93

    oklch(49.9% 0.102 232.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #A3306D

    #A3306D

    oklch(50.1% 0.162 351.9)

  • #805C00

    #805C00

    oklch(49.9% 0.103 82)

  • #00755D

    #00755D

    oklch(50.1% 0.097 171.9)

  • #2B5DBE

    #2B5DBE

    oklch(50% 0.162 261.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #A3306D, closest first.

Similar named colors

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

Use #A3306D 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.