#B03827#B03827

#B03827 is a mid, vivid red. Relative luminance 0.122; OKLCH L 51.4% C 0.159 H 31.0°. Best body text is #FFFFFF at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#B03827
RGB	rgb(176, 56, 39)
HSL	hsl(7, 64%, 42%)
HSV	hsv(7, 78%, 69%)
CMYK	cmyk(0%, 68.2%, 77.8%, 31%)
CIE-LAB	lab(41.54, 47.80, 37.25)
CIE-LCH	lch(41.54, 60.60, 37.93°)
OKLab	oklab(51.43% 0.1362 0.0819)
OKLCH	oklch(51.43% 0.159 31)
XYZ	xyz(19.6871, 12.2079, 3.2388)
Luminance	0.1221 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03827 #279FB0

analogous

#B0275B #B03827 #B07C27

triadic

#B03827 #27B038 #3827B0

tetradic

#B03827 #5BB027 #279FB0 #7C27B0

square

#B03827 #5BB027 #279FB0 #7C27B0

split-complementary

#B03827 #27B07C #275BB0

monochromatic

#4C1811 #7E281C #B03827 #D55240 #E07F72

Accessibility & contrast

On white

6.10

#B03827 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.44

#B03827 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03827

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03827	#FFFFFF	#000000	##FFFFFF
##B03827	1.00	6.10	3.44	6.10
#FFFFFF	6.10	1.00	21.00	1.00
#000000	3.44	21.00	1.00	21.00
##FFFFFF	6.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5124

Deuteranopia (green-blind)

#786C22

Tritanopia (blue-blind)

#C21135

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b03827;
/* rgb */ color: rgb(176, 56, 39);
/* oklch */ color: oklch(51.4% 0.159 31.0);

Tailwind

colors: {
  custom: {
    50: '#d07562',
    500: '#b03827',
    950: '#000000',
  },
}

SCSS

$custom: #b03827;
$custom-light: #d07562;
$custom-dark: #000000;

JSON

{
  "hex": "#b03827",
  "rgb": {
    "r": 176,
    "g": 56,
    "b": 39
  },
  "hsl": {
    "h": 7.445,
    "s": 63.721,
    "l": 42.157
  },
  "oklch": {
    "l": 0.51435,
    "c": 0.15891,
    "h": 31
  },
  "luminance": 0.12205
}

Semantic roles & 50–950 ramp

primary

#B03827

secondary

#6CBBC7

accent

#D2E741

background

#FDF7F5

surface

#FBEDEA

border

#D4C8C6

text

#150905

muted

#837B79

Preview Lab

Preview with #B03827

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

Preview Lab → · Contrast checker → · Palette generator →