#B31464

Closest named color: Violet Red (#A50055). oklch(50.5% 0.195 358.1), rgb(179, 20, 100).

Aa

White text reads best on this color (6.56:1).

About this color

#B31464 is a medium-dark, vivid red. In OKLCH its lightness is 51%, its chroma 0.195 and its hue 358°. Its hue sits on the warm side of the wheel. The nearest named color is Violet Red (#A50055), ΔE 0.039 away. White text reads best on it, at 6.56:1.

Hue familyReds
Lightnessmedium-dark (51%)
Chromavivid (0.195)
Temperaturewarm
Nearest nameViolet Red (#A50055)
Black text3.20:1
White text6.56:1

Values

HEX#B31464
RGBrgb(179, 20, 100)
HSLhsl(330, 80%, 39%)
OKLCHoklch(50.5% 0.195 358.1)

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 #B31464 6.56:1 AA Lc -85.7 Fine for body text
Black text on #B31464 3.20:1 AA large text Lc 23.5 Dividers and decoration only
#B31464 text on white 6.56:1 AA Lc 80.6 Fine for body text
#B31464 text on black 3.20:1 AA large text Lc -21.3 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

    #FDF2F5

    oklch(97.1% 0.012 358.8)

  2. Step 100

    100

    #FAE3EA

    oklch(93.6% 0.027 357.2)

  3. Step 200

    200

    #F7CBD9

    oklch(88.4% 0.053 357.2)

  4. Step 300

    300

    #F3A7C0

    oklch(80.8% 0.094 358.1)

  5. Step 400

    400

    #E974A0

    oklch(70.6% 0.151 357.9)

  6. Step 500

    500

    #DF4989

    oklch(63.1% 0.193 358)

  7. Step 600

    600

    #CA1F73

    oklch(55.6% 0.21 357.9)

  8. Step 700

    700 (this color)

    #B31464

    oklch(50.5% 0.195 358.1)

  9. Step 800

    800

    #8D124E

    oklch(42.6% 0.161 358.2)

  10. Step 900

    900

    #721A41

    oklch(37.7% 0.126 358.3)

  11. Step 950

    950

    #431126

    oklch(26.9% 0.08 358.1)

Export this scale for Tailwind in the Tailwind colors tool

#B31464 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)#3F4B660.223
Deuteranopia (no green cones)#6967610.196
Tritanopia (no blue cones)#C3003C0.067
Achromatopsia (no color)#5D5D5D0.197

Harmonies

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

Complementary

The opposite hue (180°).

  • #B31464

    #B31464

    oklch(50.5% 0.195 358.1)

  • #007665

    #007665

    oklch(50.6% 0.093 178)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #B31464

    #B31464

    oklch(50.5% 0.195 358.1)

  • #9B2A9B

    #9B2A9B

    oklch(50.5% 0.195 328)

  • #BB1616

    #BB1616

    oklch(50.6% 0.196 28)

Open the analogous palette in the generator

Split complementary

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

  • #B31464

    #B31464

    oklch(50.5% 0.195 358.1)

  • #007A2E

    #007A2E

    oklch(50.5% 0.146 147.9)

  • #00727F

    #00727F

    oklch(50.5% 0.087 208.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #B31464

    #B31464

    oklch(50.5% 0.195 358.1)

  • #5F6D00

    #5F6D00

    oklch(50.5% 0.118 118.2)

  • #006C9D

    #006C9D

    oklch(50.5% 0.113 238.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #B31464

    #B31464

    oklch(50.5% 0.195 358.1)

  • #7D6000

    #7D6000

    oklch(50.4% 0.103 88)

  • #007665

    #007665

    oklch(50.6% 0.093 178)

  • #3755D2

    #3755D2

    oklch(50.5% 0.195 268.2)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #B31464, closest first.

No curated palette has a color within ΔE 0.04 of #B31464.

Similar named colors

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

Use #B31464 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.