#B03727#B03727

#B03727 is a mid, vivid red. Relative luminance 0.121; OKLCH L 51.3% C 0.160 H 30.7°. Best body text is #FFFFFF at 6.14:1 contrast (WCAG AA passes).

Color values

HEX	#B03727
RGB	rgb(176, 55, 39)
HSL	hsl(7, 64%, 42%)
HSV	hsv(7, 78%, 69%)
CMYK	cmyk(0%, 68.8%, 77.8%, 31%)
CIE-LAB	lab(41.39, 48.21, 37.09)
CIE-LCH	lch(41.39, 60.83, 37.57°)
OKLab	oklab(51.32% 0.1374 0.0816)
OKLCH	oklch(51.32% 0.16 30.7)
XYZ	xyz(19.6391, 12.1119, 3.2228)
Luminance	0.1211 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03727 #27A0B0

analogous

#B0275C #B03727 #B07B27

triadic

#B03727 #27B037 #3727B0

tetradic

#B03727 #5CB027 #27A0B0 #7B27B0

square

#B03727 #5CB027 #27A0B0 #7B27B0

split-complementary

#B03727 #27B07B #275CB0

monochromatic

#4C1811 #7E271C #B03727 #D55140 #E07F72

Accessibility & contrast

On white

6.14

#B03727 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.42

#B03727 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03727

6.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03727	#FFFFFF	#000000	##FFFFFF
##B03727	1.00	6.14	3.42	6.14
#FFFFFF	6.14	1.00	21.00	1.00
#000000	3.42	21.00	1.00	21.00
##FFFFFF	6.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5124

Deuteranopia (green-blind)

#786B22

Tritanopia (blue-blind)

#C20E34

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b03727;
/* rgb */ color: rgb(176, 55, 39);
/* oklch */ color: oklch(51.3% 0.160 30.7);

Tailwind

colors: {
  custom: {
    50: '#d07562',
    500: '#b03727',
    950: '#000000',
  },
}

SCSS

$custom: #b03727;
$custom-light: #d07562;
$custom-dark: #000000;

JSON

{
  "hex": "#b03727",
  "rgb": {
    "r": 176,
    "g": 55,
    "b": 39
  },
  "hsl": {
    "h": 7.007,
    "s": 63.721,
    "l": 42.157
  },
  "oklch": {
    "l": 0.51321,
    "c": 0.15983,
    "h": 30.7
  },
  "luminance": 0.12109
}

Semantic roles & 50–950 ramp

primary

#B03727

secondary

#6CBCC7

accent

#D3E741

background

#FDF7F5

surface

#FBEDEA

border

#D4C8C6

text

#150905

muted

#837B79

Preview Lab

Preview with #B03727

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →