#A21D6F

Closest named color: Red Violet (#9E0168). oklch(48.4% 0.182 348.8), rgb(162, 29, 111).

Aa

White text reads best on this color (7.13:1).

About this color

#A21D6F is a medium-dark, vivid red. In OKLCH its lightness is 48%, its chroma 0.182 and its hue 349°. 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 7.13:1.

Hue familyReds
Lightnessmedium-dark (48%)
Chromavivid (0.182)
Temperaturewarm
Nearest nameRed Violet (#9E0168)
Black text2.94:1
White text7.13:1

Values

HEX#A21D6F
RGBrgb(162, 29, 111)
HSLhsl(323, 70%, 37%)
OKLCHoklch(48.4% 0.182 348.8)

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 #A21D6F 7.13:1 AAA Lc -88.3 Fine for body text
Black text on #A21D6F 2.94:1 Fails Lc 20.8 Dividers and decoration only
#A21D6F text on white 7.13:1 AAA Lc 83.3 Fine for body text
#A21D6F text on black 2.94:1 Fails Lc -18.7 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

    #FCF2F7

    oklch(97% 0.013 345.5)

  2. Step 100

    100

    #F8E3ED

    oklch(93.6% 0.026 347.1)

  3. Step 200

    200

    #F3CDDE

    oklch(88.5% 0.048 349.4)

  4. Step 300

    300

    #ECAACA

    oklch(80.9% 0.087 348.6)

  5. Step 400

    400

    #E079AF

    oklch(70.7% 0.142 348.6)

  6. Step 500

    500

    #D4529B

    oklch(63.1% 0.18 348.7)

  7. Step 600

    600

    #BF3086

    oklch(55.6% 0.196 348.6)

  8. Step 700

    700 (this color)

    #A21D6F

    oklch(48.4% 0.182 348.8)

  9. Step 800

    800

    #861E5C

    oklch(42.8% 0.151 349)

  10. Step 900

    900

    #6C204C

    oklch(37.8% 0.118 348.5)

  11. Step 950

    950

    #3F142C

    oklch(26.9% 0.074 348.6)

Export this scale for Tailwind in the Tailwind colors tool

#A21D6F 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)#3549710.205
Deuteranopia (no green cones)#5C606C0.179
Tritanopia (no blue cones)#AE13440.072
Achromatopsia (no color)#5858580.184

Harmonies

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

Complementary

The opposite hue (180°).

  • #A21D6F

    #A21D6F

    oklch(48.4% 0.182 348.8)

  • #007055

    #007055

    oklch(48.4% 0.097 168.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #A21D6F

    #A21D6F

    oklch(48.4% 0.182 348.8)

  • #882F9E

    #882F9E

    oklch(48.3% 0.182 319)

  • #AE1633

    #AE1633

    oklch(48.4% 0.182 18.9)

Open the analogous palette in the generator

Split complementary

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

  • #A21D6F

    #A21D6F

    oklch(48.4% 0.182 348.8)

  • #277100

    #277100

    oklch(48.3% 0.152 138.8)

  • #006C70

    #006C70

    oklch(48.3% 0.082 199.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #A21D6F

    #A21D6F

    oklch(48.4% 0.182 348.8)

  • #646300

    #646300

    oklch(48.5% 0.105 109.1)

  • #006889

    #006889

    oklch(48.4% 0.095 228.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #A21D6F

    #A21D6F

    oklch(48.4% 0.182 348.8)

  • #7D5600

    #7D5600

    oklch(48.3% 0.101 78.2)

  • #007055

    #007055

    oklch(48.4% 0.097 168.8)

  • #0457C3

    #0457C3

    oklch(48.3% 0.183 258.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #A21D6F, closest first.

No curated palette has a color within ΔE 0.04 of #A21D6F.

Similar named colors

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

Use #A21D6F 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.