#AC155B

Closest named color: Violet Red (#A50055). oklch(49% 0.187 0.5), rgb(172, 21, 91).

Aa

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

About this color

#AC155B is a medium-dark, vivid red. In OKLCH its lightness is 49%, its chroma 0.187 and its hue 0°. Its hue sits on the warm side of the wheel. The nearest named color is Violet Red (#A50055), ΔE 0.023 away. White text reads best on it, at 6.97:1.

Hue familyReds
Lightnessmedium-dark (49%)
Chromavivid (0.187)
Temperaturewarm
Nearest nameViolet Red (#A50055)
Black text3.01:1
White text6.97:1

Values

HEX#AC155B
RGBrgb(172, 21, 91)
HSLhsl(332, 78%, 38%)
OKLCHoklch(49% 0.187 0.5)

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 #AC155B 6.97:1 AA Lc -87.4 Fine for body text
Black text on #AC155B 3.01:1 AA large text Lc 21.7 Dividers and decoration only
#AC155B text on white 6.97:1 AA Lc 82.3 Fine for body text
#AC155B text on black 3.01:1 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

    #F2A8BE

    oklch(80.9% 0.091 359.9)

  5. Step 400

    400

    #E8779C

    oklch(70.8% 0.144 0.7)

  6. Step 500

    500

    #DD4D84

    oklch(63.1% 0.185 0.4)

  7. Step 600

    600

    #C8276D

    oklch(55.6% 0.2 0.6)

  8. Step 700

    700 (this color)

    #AC155B

    oklch(49% 0.187 0.5)

  9. Step 800

    800

    #8C184B

    oklch(42.7% 0.154 0.3)

  10. Step 900

    900

    #711D3E

    oklch(37.8% 0.12 0.9)

  11. Step 950

    950

    #421325

    oklch(27% 0.075 359.7)

Export this scale for Tailwind in the Tailwind colors tool

#AC155B 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)#3F475C0.212
Deuteranopia (no green cones)#6663580.189
Tritanopia (no blue cones)#BB00380.059
Achromatopsia (no color)#5959590.188

Harmonies

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

Complementary

The opposite hue (180°).

  • #AC155B

    #AC155B

    oklch(49% 0.187 0.5)

  • #007063

    #007063

    oklch(48.9% 0.088 181.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #AC155B

    #AC155B

    oklch(49% 0.187 0.5)

  • #972890

    #972890

    oklch(49% 0.186 330.7)

  • #B21A09

    #B21A09

    oklch(49% 0.187 30.5)

Open the analogous palette in the generator

Split complementary

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

  • #AC155B

    #AC155B

    oklch(49% 0.187 0.5)

  • #007435

    #007435

    oklch(48.9% 0.133 150.7)

  • #006D7B

    #006D7B

    oklch(49% 0.085 210.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #AC155B

    #AC155B

    oklch(49% 0.187 0.5)

  • #586900

    #586900

    oklch(48.9% 0.116 120.1)

  • #00679A

    #00679A

    oklch(49.1% 0.113 240.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #AC155B

    #AC155B

    oklch(49% 0.187 0.5)

  • #765D00

    #765D00

    oklch(49% 0.1 90.4)

  • #007063

    #007063

    oklch(48.9% 0.088 181.1)

  • #3C50C8

    #3C50C8

    oklch(49% 0.187 270.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #AC155B, closest first.

Similar named colors

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

Use #AC155B 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.