#A21C69

Closest named color: Red Violet (#9E0168). oklch(48.1% 0.18 351.6), rgb(162, 28, 105).

Aa

White text reads best on this color (7.22:1).

About this color

#A21C69 is a medium-dark, vivid red. In OKLCH its lightness is 48%, its chroma 0.180 and its hue 352°. Its hue sits on the warm side of the wheel. The nearest named color is Red Violet (#9E0168), ΔE 0.024 away. White text reads best on it, at 7.22:1.

Hue familyReds
Lightnessmedium-dark (48%)
Chromavivid (0.180)
Temperaturewarm
Nearest nameRed Violet (#9E0168)
Black text2.90:1
White text7.22:1

Values

HEX#A21C69
RGBrgb(162, 28, 105)
HSLhsl(326, 71%, 37%)
OKLCHoklch(48.1% 0.18 351.6)

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 #A21C69 7.22:1 AAA Lc -88.6 Fine for body text
Black text on #A21C69 2.90:1 Fails Lc 20.5 Dividers and decoration only
#A21C69 text on white 7.22:1 AAA Lc 83.6 Fine for body text
#A21C69 text on black 2.90:1 Fails Lc -18.4 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

    #FCF2F6

    oklch(97% 0.012 351)

  2. Step 100

    100

    #F8E3EC

    oklch(93.5% 0.026 349.8)

  3. Step 200

    200

    #F4CDDD

    oklch(88.6% 0.048 351.5)

  4. Step 300

    300

    #EDAAC7

    oklch(80.9% 0.087 351.5)

  5. Step 400

    400

    #E179AA

    oklch(70.6% 0.14 351.7)

  6. Step 500

    500

    #D55295

    oklch(63% 0.178 351.7)

  7. Step 600

    600

    #C03080

    oklch(55.6% 0.193 351.4)

  8. Step 700

    700 (this color)

    #A21C69

    oklch(48.1% 0.18 351.6)

  9. Step 800

    800

    #861E58

    oklch(42.6% 0.149 351.3)

  10. Step 900

    900

    #6C2048

    oklch(37.6% 0.116 351.6)

  11. Step 950

    950

    #40142A

    oklch(27% 0.074 352.1)

Export this scale for Tailwind in the Tailwind colors tool

#A21C69 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)#37486B0.204
Deuteranopia (no green cones)#5D60660.180
Tritanopia (no blue cones)#AF0B410.067
Achromatopsia (no color)#5757570.182

Harmonies

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

Complementary

The opposite hue (180°).

  • #A21C69

    #A21C69

    oklch(48.1% 0.18 351.6)

  • #006E57

    #006E57

    oklch(47.9% 0.093 171.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #A21C69

    #A21C69

    oklch(48.1% 0.18 351.6)

  • #892E99

    #892E99

    oklch(48.1% 0.18 321.3)

  • #AC182C

    #AC182C

    oklch(48% 0.18 21.6)

Open the analogous palette in the generator

Split complementary

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

  • #A21C69

    #A21C69

    oklch(48.1% 0.18 351.6)

  • #107200

    #107200

    oklch(48% 0.16 141.6)

  • #006B71

    #006B71

    oklch(48% 0.082 201.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #A21C69

    #A21C69

    oklch(48.1% 0.18 351.6)

  • #606300

    #606300

    oklch(48.1% 0.106 111.8)

  • #00678B

    #00678B

    oklch(48.2% 0.097 231.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #A21C69

    #A21C69

    oklch(48.1% 0.18 351.6)

  • #7A5700

    #7A5700

    oklch(48.1% 0.099 81.4)

  • #006E57

    #006E57

    oklch(47.9% 0.093 171.7)

  • #1B55C1

    #1B55C1

    oklch(48.1% 0.18 261.5)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #A21C69, closest first.

No curated palette has a color within ΔE 0.04 of #A21C69.

Similar named colors

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

Use #A21C69 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.