#AC013F

Closest named color: Rouge (#AB1239). oklch(47.5% 0.189 12), rgb(172, 1, 63).

Aa

White text reads best on this color (7.41:1).

About this color

#AC013F is a medium-dark, vivid red. In OKLCH its lightness is 48%, its chroma 0.189 and its hue 12°. Its hue sits on the warm side of the wheel. The nearest named color is Rouge (#AB1239), ΔE 0.014 away. White text reads best on it, at 7.41:1.

Hue familyReds
Lightnessmedium-dark (48%)
Chromavivid (0.189)
Temperaturewarm
Nearest nameRouge (#AB1239)
Black text2.83:1
White text7.41:1

Values

HEX#AC013F
RGBrgb(172, 1, 63)
HSLhsl(338, 99%, 34%)
OKLCHoklch(47.5% 0.189 12)

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 #AC013F 7.41:1 AAA Lc -88.3 Fine for body text
Black text on #AC013F 2.83:1 Fails Lc 20.7 Dividers and decoration only
#AC013F text on white 7.41:1 AAA Lc 83.3 Fine for body text
#AC013F text on black 2.83:1 Fails Lc -18.6 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

    #FEF2F3

    oklch(97.1% 0.013 11.5)

  2. Step 100

    100

    #FBE3E5

    oklch(93.6% 0.026 11.9)

  3. Step 200

    200

    #F9CCD0

    oklch(88.5% 0.051 12.1)

  4. Step 300

    300

    #F5A8B1

    oklch(80.8% 0.091 11.6)

  5. Step 400

    400

    #EC7688

    oklch(70.6% 0.146 12)

  6. Step 500

    500

    #E34B6B

    oklch(63.1% 0.188 11.9)

  7. Step 600

    600

    #CE2253

    oklch(55.6% 0.204 11.9)

  8. Step 700

    700 (this color)

    #AC013F

    oklch(47.5% 0.189 12)

  9. Step 800

    800

    #901438

    oklch(42.7% 0.157 11.6)

  10. Step 900

    900

    #741B30

    oklch(37.7% 0.123 11.8)

  11. Step 950

    950

    #44121C

    oklch(26.9% 0.077 12)

Export this scale for Tailwind in the Tailwind colors tool

#AC013F 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)#4141400.214
Deuteranopia (no green cones)#69603B0.192
Tritanopia (no blue cones)#BD00240.050
Achromatopsia (no color)#5555550.191

Harmonies

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

Complementary

The opposite hue (180°).

  • #AC013F

    #AC013F

    oklch(47.5% 0.189 12)

  • #006A68

    #006A68

    oklch(47.4% 0.081 192.5)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #AC013F

    #AC013F

    oklch(47.5% 0.189 12)

  • #9C1779

    #9C1779

    oklch(47.4% 0.189 342)

  • #9B3800

    #9B3800

    oklch(47.6% 0.143 42.1)

Open the analogous palette in the generator

Split complementary

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

  • #AC013F

    #AC013F

    oklch(47.5% 0.189 12)

  • #006E4A

    #006E4A

    oklch(47.6% 0.104 162.1)

  • #00677F

    #00677F

    oklch(47.6% 0.087 221.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #AC013F

    #AC013F

    oklch(47.5% 0.189 12)

  • #3F6A00

    #3F6A00

    oklch(47.4% 0.131 131.7)

  • #005DA8

    #005DA8

    oklch(47.5% 0.141 251.7)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #AC013F

    #AC013F

    oklch(47.5% 0.189 12)

  • #685D00

    #685D00

    oklch(47.4% 0.099 101.4)

  • #006A68

    #006A68

    oklch(47.4% 0.081 192.5)

  • #5242C1

    #5242C1

    oklch(47.5% 0.19 282.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #AC013F, closest first.

No curated palette has a color within ΔE 0.04 of #AC013F.

Similar named colors

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

Use #AC013F 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.