#B21E81

Closest named color: Medium Violet Red (#C71585). oklch(52% 0.201 345.8), rgb(178, 30, 129).

Aa

White text reads best on this color (6.18:1).

About this color

#B21E81 is a medium-dark, vivid red. In OKLCH its lightness is 52%, its chroma 0.201 and its hue 346°. Its hue sits on the warm side of the wheel. The nearest named color is Medium Violet Red (#C71585), ΔE 0.042 away. White text reads best on it, at 6.18:1.

Hue familyReds
Lightnessmedium-dark (52%)
Chromavivid (0.201)
Temperaturewarm
Nearest nameMedium Violet Red (#C71585)
Black text3.39:1
White text6.18:1

Values

HEX#B21E81
RGBrgb(178, 30, 129)
HSLhsl(320, 71%, 41%)
OKLCHoklch(52% 0.201 345.8)

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 #B21E81 6.18:1 AA Lc -84.5 Fine for body text
Black text on #B21E81 3.39:1 AA large text Lc 24.8 Dividers and decoration only
#B21E81 text on white 6.18:1 AA Lc 79.2 Fine for body text
#B21E81 text on black 3.39:1 AA large text Lc -22.6 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

    #FDF2F7

    oklch(97.1% 0.013 347.9)

  2. Step 100

    100

    #F9E3EE

    oklch(93.7% 0.028 345.9)

  3. Step 200

    200

    #F5CBE1

    oklch(88.4% 0.055 345.4)

  4. Step 300

    300

    #EFA7CE

    oklch(80.9% 0.098 345.8)

  5. Step 400

    400

    #E375B5

    oklch(70.7% 0.155 345.8)

  6. Step 500

    500

    #D84AA3

    oklch(63.1% 0.199 345.7)

  7. Step 600

    600

    #C3218E

    oklch(55.6% 0.216 345.7)

  8. Step 700

    700 (this color)

    #B21E81

    oklch(52% 0.201 345.8)

  9. Step 800

    800

    #891362

    oklch(42.8% 0.167 346)

  10. Step 900

    900

    #6E1B50

    oklch(37.7% 0.129 345.9)

  11. Step 950

    950

    #41122F

    oklch(27.1% 0.082 345.9)

Export this scale for Tailwind in the Tailwind colors tool

#B21E81 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)#3651830.227
Deuteranopia (no green cones)#636A7E0.196
Tritanopia (no blue cones)#BF194F0.084
Achromatopsia (no color)#6161610.203

Harmonies

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

Complementary

The opposite hue (180°).

  • #B21E81

    #B21E81

    oklch(52% 0.201 345.8)

  • #007C5A

    #007C5A

    oklch(52% 0.108 165.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #B21E81

    #B21E81

    oklch(52% 0.201 345.8)

  • #9334B5

    #9334B5

    oklch(51.9% 0.202 315.6)

  • #C11040

    #C11040

    oklch(52% 0.201 15.7)

Open the analogous palette in the generator

Split complementary

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

  • #B21E81

    #B21E81

    oklch(52% 0.201 345.8)

  • #3B7B00

    #3B7B00

    oklch(51.9% 0.154 135.7)

  • #007879

    #007879

    oklch(51.9% 0.088 195.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #B21E81

    #B21E81

    oklch(52% 0.201 345.8)

  • #726C00

    #726C00

    oklch(52% 0.111 105.8)

  • #007494

    #007494

    oklch(52% 0.099 225.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #B21E81

    #B21E81

    oklch(52% 0.201 345.8)

  • #8C5E00

    #8C5E00

    oklch(51.8% 0.109 75.7)

  • #007C5A

    #007C5A

    oklch(52% 0.108 165.8)

  • #0065CB

    #0065CB

    oklch(51.9% 0.177 256)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #B21E81, closest first.

No curated palette has a color within ΔE 0.04 of #B21E81.

Similar named colors

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

Use #B21E81 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.