#B40064

Closest named color: Violet Red (#A50055). oklch(50.1% 0.204 357.5), rgb(180, 0, 100).

Aa

White text reads best on this color (6.72:1).

About this color

#B40064 is a medium-dark, vivid red. In OKLCH its lightness is 50%, its chroma 0.204 and its hue 357°. Its hue sits on the warm side of the wheel. The nearest named color is Violet Red (#A50055), ΔE 0.038 away. White text reads best on it, at 6.72:1.

Hue familyReds
Lightnessmedium-dark (50%)
Chromavivid (0.204)
Temperaturewarm
Nearest nameViolet Red (#A50055)
Black text3.12:1
White text6.72:1

Values

HEX#B40064
RGBrgb(180, 0, 100)
HSLhsl(327, 100%, 35%)
OKLCHoklch(50.1% 0.204 357.5)

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 #B40064 6.72:1 AA Lc -85.8 Fine for body text
Black text on #B40064 3.12:1 AA large text Lc 23.4 Dividers and decoration only
#B40064 text on white 6.72:1 AA Lc 80.6 Fine for body text
#B40064 text on black 3.12:1 AA large text Lc -21.2 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

    #FEF2F5

    oklch(97.1% 0.013 0.3)

  2. Step 100

    100

    #FBE2EA

    oklch(93.5% 0.029 356.3)

  3. Step 200

    200

    #F9CBD9

    oklch(88.6% 0.055 358.1)

  4. Step 300

    300

    #F5A6C1

    oklch(80.9% 0.099 357.4)

  5. Step 400

    400

    #EC72A1

    oklch(70.8% 0.158 357.6)

  6. Step 500

    500

    #E2448A

    oklch(63.2% 0.202 357.6)

  7. Step 600

    600

    #CD1274

    oklch(55.7% 0.22 357.5)

  8. Step 700

    700 (this color)

    #B40064

    oklch(50.1% 0.204 357.5)

  9. Step 800

    800

    #8F084F

    oklch(42.6% 0.169 357.6)

  10. Step 900

    900

    #731642

    oklch(37.6% 0.132 357.2)

  11. Step 950

    950

    #441027

    oklch(27% 0.083 357.1)

Export this scale for Tailwind in the Tailwind colors tool

#B40064 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)#3B48660.234
Deuteranopia (no green cones)#6866600.205
Tritanopia (no blue cones)#C400390.075
Achromatopsia (no color)#5C5C5C0.206

Harmonies

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

Complementary

The opposite hue (180°).

  • #B40064

    #B40064

    oklch(50.1% 0.204 357.5)

  • #007463

    #007463

    oklch(50% 0.092 177.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #B40064

    #B40064

    oklch(50.1% 0.204 357.5)

  • #9B229D

    #9B229D

    oklch(50% 0.204 327.4)

  • #BC0010

    #BC0010

    oklch(50% 0.204 27.4)

Open the analogous palette in the generator

Split complementary

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

  • #B40064

    #B40064

    oklch(50.1% 0.204 357.5)

  • #00792B

    #00792B

    oklch(50.2% 0.148 147.4)

  • #00717D

    #00717D

    oklch(50.2% 0.086 207.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #B40064

    #B40064

    oklch(50.1% 0.204 357.5)

  • #5F6B00

    #5F6B00

    oklch(50% 0.116 117.2)

  • #006B9A

    #006B9A

    oklch(50.1% 0.11 237.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #B40064

    #B40064

    oklch(50.1% 0.204 357.5)

  • #7C5F00

    #7C5F00

    oklch(50.1% 0.102 87.8)

  • #007463

    #007463

    oklch(50% 0.092 177.8)

  • #3252D5

    #3252D5

    oklch(50% 0.204 267.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #B40064, closest first.

No curated palette has a color within ΔE 0.04 of #B40064.

Similar named colors

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

Use #B40064 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.