#B41407#B41407

#B41407 is a mid, vivid red. Relative luminance 0.102; OKLCH L 49.0% C 0.192 H 29.9°. Best body text is #FFFFFF at 6.90:1 contrast (WCAG AA passes).

Color values

HEX	#B41407
RGB	rgb(180, 20, 7)
HSL	hsl(5, 93%, 37%)
HSV	hsv(5, 96%, 71%)
CMYK	cmyk(0%, 88.9%, 96.1%, 29.4%)
CIE-LAB	lab(38.24, 59.15, 49.41)
CIE-LCH	lch(38.24, 77.07, 39.87°)
OKLab	oklab(49.04% 0.1661 0.0957)
OKLCH	oklch(49.04% 0.192 29.9)
XYZ	xyz(19.1134, 10.2222, 1.1677)
Luminance	0.1022 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B41407 #07A7B4

analogous

#B40750 #B41407 #B46B07

triadic

#B41407 #07B414 #1407B4

tetradic

#B41407 #50B407 #07A7B4 #6B07B4

square

#B41407 #50B407 #07A7B4 #6B07B4

split-complementary

#B41407 #07B46B #0750B4

monochromatic

#3E0702 #790D05 #B41407 #EF1B09 #F74C3E

Accessibility & contrast

On white

6.90

#B41407 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.04

#B41407 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B41407

6.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B41407	#FFFFFF	#000000	##FFFFFF
##B41407	1.00	6.90	3.04	6.90
#FFFFFF	6.90	1.00	21.00	1.00
#000000	3.04	21.00	1.00	21.00
##FFFFFF	6.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E4400

Deuteranopia (green-blind)

#746600

Tritanopia (blue-blind)

#C70015

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #b41407;
/* rgb */ color: rgb(180, 20, 7);
/* oklch */ color: oklch(49.0% 0.192 29.9);

Tailwind

colors: {
  custom: {
    50: '#d6684e',
    500: '#b41407',
    950: '#000000',
  },
}

SCSS

$custom: #b41407;
$custom-light: #d6684e;
$custom-dark: #000000;

JSON

{
  "hex": "#b41407",
  "rgb": {
    "r": 180,
    "g": 20,
    "b": 7
  },
  "hsl": {
    "h": 4.509,
    "s": 92.513,
    "l": 36.667
  },
  "oklch": {
    "l": 0.49043,
    "c": 0.19169,
    "h": 29.9
  },
  "luminance": 0.10219
}

Semantic roles & 50–950 ramp

primary

#B41407

secondary

#41CBD6

accent

#EFFF29

background

#FEF6F4

surface

#FDECE7

border

#D5C7C3

text

#170702

muted

#857A78

Preview Lab

Preview with #B41407

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

Preview Lab → · Contrast checker → · Palette generator →