#AC1D4E

Closest named color: Raspberry (#B00149). oklch(49% 0.178 7.5), rgb(172, 29, 78).

Aa

White text reads best on this color (6.90:1).

About this color

#AC1D4E is a medium-dark, vivid red. In OKLCH its lightness is 49%, its chroma 0.178 and its hue 7°. Its hue sits on the warm side of the wheel. The nearest named color is Raspberry (#B00149), ΔE 0.017 away. White text reads best on it, at 6.90:1.

Hue familyReds
Lightnessmedium-dark (49%)
Chromavivid (0.178)
Temperaturewarm
Nearest nameRaspberry (#B00149)
Black text3.03:1
White text6.90:1

Values

HEX#AC1D4E
RGBrgb(172, 29, 78)
HSLhsl(339, 71%, 39%)
OKLCHoklch(49% 0.178 7.5)

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 #AC1D4E 6.90:1 AA Lc -87.3 Fine for body text
Black text on #AC1D4E 3.03:1 AA large text Lc 21.8 Dividers and decoration only
#AC1D4E text on white 6.90:1 AA Lc 82.3 Fine for body text
#AC1D4E text on black 3.03:1 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

    #FDF2F4

    oklch(97% 0.012 4.7)

  2. Step 100

    100

    #FAE3E7

    oklch(93.6% 0.026 5.7)

  3. Step 200

    200

    #F6CDD3

    oklch(88.5% 0.047 8.2)

  4. Step 300

    300

    #F2AAB6

    oklch(81% 0.086 8.2)

  5. Step 400

    400

    #E77991

    oklch(70.6% 0.137 7.4)

  6. Step 500

    500

    #DD5176

    oklch(63.1% 0.176 7.5)

  7. Step 600

    600

    #C82D5F

    oklch(55.6% 0.192 7.4)

  8. Step 700

    700 (this color)

    #AC1D4E

    oklch(49% 0.178 7.5)

  9. Step 800

    800

    #8C1C40

    oklch(42.7% 0.148 7.5)

  10. Step 900

    900

    #711F36

    oklch(37.7% 0.116 7.8)

  11. Step 950

    950

    #421420

    oklch(27% 0.072 7.3)

Export this scale for Tailwind in the Tailwind colors tool

#AC1D4E 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)#45484F0.201
Deuteranopia (no green cones)#6A644B0.181
Tritanopia (no blue cones)#BC00330.046
Achromatopsia (no color)#5A5A5A0.179

Harmonies

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

Complementary

The opposite hue (180°).

  • #AC1D4E

    #AC1D4E

    oklch(49% 0.178 7.5)

  • #007069

    #007069

    oklch(49.1% 0.086 187.3)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #AC1D4E

    #AC1D4E

    oklch(49% 0.178 7.5)

  • #9B2983

    #9B2983

    oklch(49.1% 0.178 337.8)

  • #A83100

    #A83100

    oklch(49% 0.162 37.4)

Open the analogous palette in the generator

Split complementary

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

  • #AC1D4E

    #AC1D4E

    oklch(49% 0.178 7.5)

  • #007346

    #007346

    oklch(48.9% 0.115 157.9)

  • #006C81

    #006C81

    oklch(49% 0.088 217.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #AC1D4E

    #AC1D4E

    oklch(49% 0.178 7.5)

  • #4C6D00

    #4C6D00

    oklch(49.1% 0.127 127.5)

  • #0064A6

    #0064A6

    oklch(49.1% 0.131 247.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #AC1D4E

    #AC1D4E

    oklch(49% 0.178 7.5)

  • #706000

    #706000

    oklch(49% 0.101 97.8)

  • #007069

    #007069

    oklch(49.1% 0.086 187.3)

  • #4D4DC2

    #4D4DC2

    oklch(49% 0.178 277.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #AC1D4E, closest first.

Similar named colors

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

Use #AC1D4E 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.