Dark Red#840000

#840000 is a dark, vivid red. Relative luminance 0.049; OKLCH L 38.5% C 0.158 H 29.2°. Best body text is #FFFFFF at 10.60:1 contrast (WCAG AA passes).

Dark Red — editorial page

Color values

HEX	#840000
RGB	rgb(132, 0, 0)
HSL	hsl(0, 100%, 26%)
HSV	hsv(0, 100%, 52%)
CMYK	cmyk(0%, 100%, 100%, 48.2%)
CIE-LAB	lab(26.47, 49.12, 39.26)
CIE-LCH	lch(26.47, 62.88, 38.63°)
OKLab	oklab(38.52% 0.1379 0.0772)
OKLCH	oklch(38.52% 0.158 29.2)
XYZ	xyz(9.5170, 4.9072, 0.4461)
Luminance	0.0491 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#840000 #008484

analogous

#840042 #840000 #844200

triadic

#840000 #008400 #000084

tetradic

#840000 #428400 #008484 #420084

square

#840000 #428400 #008484 #420084

split-complementary

#840000 #008442 #004284

monochromatic

#1F0000 #470000 #840000 #C10000 #FE0000

Accessibility & contrast

On white

10.60

#840000 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#840000 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #840000

10.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##840000	#FFFFFF	#000000	##FFFFFF
##840000	1.00	10.60	1.98	10.60
#FFFFFF	10.60	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#352D00

Deuteranopia (green-blind)

#524800

Tritanopia (blue-blind)

#930004

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #840000;
/* rgb */ color: rgb(132, 0, 0);
/* oklch */ color: oklch(38.5% 0.158 29.2);

Tailwind

colors: {
  custom: {
    50: '#b25a47',
    500: '#840000',
    950: '#000000',
  },
}

SCSS

$custom: #840000;
$custom-light: #b25a47;
$custom-dark: #000000;

JSON

{
  "hex": "#840000",
  "rgb": {
    "r": 132,
    "g": 0,
    "b": 0
  },
  "hsl": {
    "h": 0,
    "s": 100,
    "l": 25.882
  },
  "oklch": {
    "l": 0.38516,
    "c": 0.15805,
    "h": 29.2
  },
  "luminance": 0.04906
}

Semantic roles & 50–950 ramp

primary

#840000

secondary

#22BEBE

accent

#FFFF29

background

#FCF5F4

surface

#F8E9E6

border

#D1C5C2

text

#130400

muted

#827977

Preview Lab

Preview with #840000

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

Preview Lab → · Contrast checker → · Palette generator →