#B1015D

Closest named color: Violet Red (#A50055). oklch(49.3% 0.199 359.8), rgb(177, 1, 93).

Aa

White text reads best on this color (6.92:1).

About this color

#B1015D is a medium-dark, vivid red. In OKLCH its lightness is 49%, its chroma 0.199 and its hue 360°. Its hue sits on the warm side of the wheel. The nearest named color is Violet Red (#A50055), ΔE 0.028 away. White text reads best on it, at 6.92:1.

Hue familyReds
Lightnessmedium-dark (49%)
Chromavivid (0.199)
Temperaturewarm
Nearest nameViolet Red (#A50055)
Black text3.03:1
White text6.92:1

Values

HEX#B1015D
RGBrgb(177, 1, 93)
HSLhsl(329, 99%, 35%)
OKLCHoklch(49.3% 0.199 359.8)

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 #B1015D 6.92:1 AA Lc -86.6 Fine for body text
Black text on #B1015D 3.03:1 AA large text Lc 22.5 Dividers and decoration only
#B1015D text on white 6.92:1 AA Lc 81.5 Fine for body text
#B1015D text on black 3.03:1 AA large text Lc -20.4 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

    #FBE3E9

    oklch(93.7% 0.027 0.7)

  3. Step 200

    200

    #F8CBD8

    oklch(88.5% 0.053 359)

  4. Step 300

    300

    #F5A6BE

    oklch(80.8% 0.097 359.7)

  5. Step 400

    400

    #EB739D

    oklch(70.7% 0.154 359.7)

  6. Step 500

    500

    #E14685

    oklch(63% 0.197 359.7)

  7. Step 600

    600

    #CC186F

    oklch(55.5% 0.214 359.5)

  8. Step 700

    700 (this color)

    #B1015D

    oklch(49.3% 0.199 359.8)

  9. Step 800

    800

    #8F0D4C

    oklch(42.7% 0.165 359.5)

  10. Step 900

    900

    #73183F

    oklch(37.7% 0.129 359.7)

  11. Step 950

    950

    #441025

    oklch(27% 0.082 359.5)

Export this scale for Tailwind in the Tailwind colors tool

#B1015D 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)#3C465F0.228
Deuteranopia (no green cones)#6764590.202
Tritanopia (no blue cones)#C100350.070
Achromatopsia (no color)#5A5A5A0.201

Harmonies

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

Complementary

The opposite hue (180°).

  • #B1015D

    #B1015D

    oklch(49.3% 0.199 359.8)

  • #007163

    #007163

    oklch(49.2% 0.089 180.3)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #B1015D

    #B1015D

    oklch(49.3% 0.199 359.8)

  • #9A2196

    #9A2196

    oklch(49.3% 0.199 329.6)

  • #B80900

    #B80900

    oklch(49.4% 0.199 29.8)

Open the analogous palette in the generator

Split complementary

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

  • #B1015D

    #B1015D

    oklch(49.3% 0.199 359.8)

  • #007633

    #007633

    oklch(49.4% 0.137 149.7)

  • #006E7C

    #006E7C

    oklch(49.3% 0.085 210.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #B1015D

    #B1015D

    oklch(49.3% 0.199 359.8)

  • #596A00

    #596A00

    oklch(49.3% 0.117 120.1)

  • #00689A

    #00689A

    oklch(49.3% 0.113 239.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #B1015D

    #B1015D

    oklch(49.3% 0.199 359.8)

  • #785E00

    #785E00

    oklch(49.4% 0.101 89.8)

  • #007163

    #007163

    oklch(49.2% 0.089 180.3)

  • #394FD0

    #394FD0

    oklch(49.3% 0.199 269.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #B1015D, closest first.

No curated palette has a color within ΔE 0.04 of #B1015D.

Similar named colors

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

Use #B1015D 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.