#B181F4

Closest named color: Light Purple (#BF77F6). oklch(69.8% 0.168 301.5), rgb(177, 129, 244).

Aa

Black text reads best on this color (7.31:1).

About this color

#B181F4 is a medium-light, vivid purple. In OKLCH its lightness is 70%, its chroma 0.168 and its hue 301°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Purple (#BF77F6), ΔE 0.031 away. Black text reads best on it, at 7.31:1.

Hue familyPurples
Lightnessmedium-light (70%)
Chromavivid (0.168)
Temperaturein between
Nearest nameLight Purple (#BF77F6)
Black text7.31:1
White text2.87:1

Values

HEX#B181F4
RGBrgb(177, 129, 244)
HSLhsl(265, 84%, 73%)
OKLCHoklch(69.8% 0.168 301.5)

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 #B181F4 2.87:1 Fails Lc -60.0 Large or bold text, headings
Black text on #B181F4 7.31:1 AAA Lc 49.3 Large or bold text, headings
#B181F4 text on white 2.87:1 Fails Lc 54.7 Large or bold text, headings
#B181F4 text on black 7.31:1 AAA Lc -47.1 Large or bold text, headings

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 400.

  1. Step 50

    50

    #F7F3FE

    oklch(97% 0.015 302.6)

  2. Step 100

    100

    #EDE6FB

    oklch(93.7% 0.029 301)

  3. Step 200

    200

    #E0D1FA

    oklch(88.6% 0.058 301.9)

  4. Step 300

    300

    #CCB1FA

    oklch(80.9% 0.105 301.1)

  5. Step 400

    400 (this color)

    #B181F4

    oklch(69.8% 0.168 301.5)

  6. Step 500

    500

    #A25FF3

    oklch(63.1% 0.214 301.3)

  7. Step 600

    600

    #8E3EE2

    oklch(55.6% 0.233 301.3)

  8. Step 700

    700

    #792DC4

    oklch(49% 0.217 301.4)

  9. Step 800

    800

    #62289F

    oklch(42.6% 0.18 301.1)

  10. Step 900

    900

    #50277E

    oklch(37.6% 0.141 301.6)

  11. Step 950

    950

    #2F184A

    oklch(27% 0.09 301.9)

Export this scale for Tailwind in the Tailwind colors tool

#B181F4 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)#5E98F80.116
Deuteranopia (no green cones)#6A98F10.107
Tritanopia (no blue cones)#A496AF0.130
Achromatopsia (no color)#9898980.169

Harmonies

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

Complementary

The opposite hue (180°).

  • #B181F4

    #B181F4

    oklch(69.8% 0.168 301.5)

  • #8EAD01

    #8EAD01

    oklch(69.9% 0.169 121.6)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #B181F4

    #B181F4

    oklch(69.8% 0.168 301.5)

  • #7B95FF

    #7B95FF

    oklch(69.8% 0.158 271.4)

  • #D872CC

    #D872CC

    oklch(69.8% 0.168 331.7)

Open the analogous palette in the generator

Split complementary

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

  • #B181F4

    #B181F4

    oklch(69.8% 0.168 301.5)

  • #BE9900

    #BE9900

    oklch(69.7% 0.143 91.4)

  • #31BA65

    #31BA65

    oklch(69.7% 0.168 151.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #B181F4

    #B181F4

    oklch(69.8% 0.168 301.5)

  • #E38200

    #E38200

    oklch(69.7% 0.161 61.5)

  • #00B7A3

    #00B7A3

    oklch(69.9% 0.126 181.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #B181F4

    #B181F4

    oklch(69.8% 0.168 301.5)

  • #F46F59

    #F46F59

    oklch(69.8% 0.168 31.3)

  • #8EAD01

    #8EAD01

    oklch(69.9% 0.169 121.6)

  • #00B1C9

    #00B1C9

    oklch(69.8% 0.121 211.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #B181F4, closest first.

Similar named colors

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

Use #B181F4 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.