#AC155A

Closest named color: Violet Red (#A50055). oklch(48.9% 0.186 1), rgb(172, 21, 90).

Aa

White text reads best on this color (6.97:1).

About this color

#AC155A is a medium-dark, vivid red. In OKLCH its lightness is 49%, its chroma 0.186 and its hue 1°. Its hue sits on the warm side of the wheel. The nearest named color is Violet Red (#A50055), ΔE 0.022 away. White text reads best on it, at 6.97:1.

Hue familyReds
Lightnessmedium-dark (49%)
Chromavivid (0.186)
Temperaturewarm
Nearest nameViolet Red (#A50055)
Black text3.00:1
White text6.97:1

Values

HEX#AC155A
RGBrgb(172, 21, 90)
HSLhsl(333, 78%, 38%)
OKLCHoklch(48.9% 0.186 1)

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 #AC155A 6.97:1 AA Lc -87.4 Fine for body text
Black text on #AC155A 3.00:1 AA large text Lc 21.7 Dividers and decoration only
#AC155A text on white 6.97:1 AA Lc 82.3 Fine for body text
#AC155A text on black 3.00:1 AA large text Lc -19.6 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

    #FDF2F5

    oklch(97.1% 0.012 358.8)

  2. Step 100

    100

    #FAE3E9

    oklch(93.6% 0.026 359.9)

  3. Step 200

    200

    #F7CCD7

    oklch(88.5% 0.05 1.1)

  4. Step 300

    300

    #F2A8BD

    oklch(80.8% 0.091 0.8)

  5. Step 400

    400

    #E8779B

    oklch(70.8% 0.144 1.2)

  6. Step 500

    500

    #DD4D83

    oklch(63.1% 0.185 0.8)

  7. Step 600

    600

    #C8276C

    oklch(55.5% 0.2 1.1)

  8. Step 700

    700 (this color)

    #AC155A

    oklch(48.9% 0.186 1)

  9. Step 800

    800

    #8C184A

    oklch(42.7% 0.154 0.9)

  10. Step 900

    900

    #711D3E

    oklch(37.8% 0.12 0.9)

  11. Step 950

    950

    #431324

    oklch(27.1% 0.076 1.7)

Export this scale for Tailwind in the Tailwind colors tool

#AC155A 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)#3F475B0.212
Deuteranopia (no green cones)#6763570.188
Tritanopia (no blue cones)#BB00370.058
Achromatopsia (no color)#5959590.188

Harmonies

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

Complementary

The opposite hue (180°).

  • #AC155A

    #AC155A

    oklch(48.9% 0.186 1)

  • #007063

    #007063

    oklch(48.9% 0.088 181.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #AC155A

    #AC155A

    oklch(48.9% 0.186 1)

  • #97278F

    #97278F

    oklch(48.9% 0.187 331.1)

  • #B21B06

    #B21B06

    oklch(49% 0.187 31)

Open the analogous palette in the generator

Split complementary

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

  • #AC155A

    #AC155A

    oklch(48.9% 0.186 1)

  • #007436

    #007436

    oklch(48.9% 0.132 151)

  • #006D7B

    #006D7B

    oklch(49% 0.085 210.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #AC155A

    #AC155A

    oklch(48.9% 0.186 1)

  • #576900

    #576900

    oklch(48.8% 0.117 120.7)

  • #00679A

    #00679A

    oklch(49.1% 0.113 240.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #AC155A

    #AC155A

    oklch(48.9% 0.186 1)

  • #755D00

    #755D00

    oklch(48.8% 0.1 91.2)

  • #007063

    #007063

    oklch(48.9% 0.088 181.1)

  • #3D50C8

    #3D50C8

    oklch(49% 0.186 270.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #AC155A, closest first.

Similar named colors

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

Use #AC155A 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.