#B13F30#B13F30

#B13F30 is a mid, vivid red. Relative luminance 0.131; OKLCH L 52.5% C 0.152 H 30.3°. Best body text is #FFFFFF at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#B13F30
RGB	rgb(177, 63, 48)
HSL	hsl(7, 57%, 44%)
HSV	hsv(7, 73%, 69%)
CMYK	cmyk(0%, 64.4%, 72.9%, 30.6%)
CIE-LAB	lab(42.94, 45.53, 33.77)
CIE-LCH	lch(42.94, 56.69, 36.57°)
OKLab	oklab(52.55% 0.1308 0.0765)
OKLCH	oklch(52.55% 0.152 30.3)
XYZ	xyz(20.4446, 13.1184, 4.2513)
Luminance	0.1312 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B13F30 #30A2B1

analogous

#B13062 #B13F30 #B18030

triadic

#B13F30 #30B13F #3F30B1

tetradic

#B13F30 #62B130 #30A2B1 #8030B1

square

#B13F30 #62B130 #30A2B1 #8030B1

split-complementary

#B13F30 #30B180 #3062B1

monochromatic

#511D16 #812E23 #B13F30 #CF5E4F #DC8A7F

Accessibility & contrast

On white

5.80

#B13F30 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#B13F30 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13F30

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B13F30	#FFFFFF	#000000	##FFFFFF
##B13F30	1.00	5.80	3.62	5.80
#FFFFFF	5.80	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F562E

Deuteranopia (green-blind)

#7B6F2C

Tritanopia (blue-blind)

#C3223C

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b13f30;
/* rgb */ color: rgb(177, 63, 48);
/* oklch */ color: oklch(52.5% 0.152 30.3);

Tailwind

colors: {
  custom: {
    50: '#d07969',
    500: '#b13f30',
    950: '#000000',
  },
}

SCSS

$custom: #b13f30;
$custom-light: #d07969;
$custom-dark: #000000;

JSON

{
  "hex": "#b13f30",
  "rgb": {
    "r": 177,
    "g": 63,
    "b": 48
  },
  "hsl": {
    "h": 6.977,
    "s": 57.333,
    "l": 44.118
  },
  "oklch": {
    "l": 0.5255,
    "c": 0.15151,
    "h": 30.3
  },
  "luminance": 0.13116
}

Semantic roles & 50–950 ramp

primary

#B13F30

secondary

#78BCC5

accent

#CFE147

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #B13F30

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

Preview Lab → · Contrast checker → · Palette generator →