#421007#421007

#421007 is a dark, moderate red. Relative luminance 0.015; OKLCH L 25.8% C 0.079 H 32.7°. Best body text is #FFFFFF at 16.05:1 contrast (WCAG AA passes).

Color values

HEX	#421007
RGB	rgb(66, 16, 7)
HSL	hsl(9, 81%, 14%)
HSV	hsv(9, 89%, 26%)
CMYK	cmyk(0%, 75.8%, 89.4%, 74.1%)
CIE-LAB	lab(12.89, 23.60, 16.94)
CIE-LCH	lch(12.89, 29.05, 35.68°)
OKLab	oklab(25.8% 0.0668 0.0429)
OKLCH	oklch(25.8% 0.079 32.7)
XYZ	xyz(2.4707, 1.5445, 0.3690)
Luminance	0.0154 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421007 #073942

analogous

#42071C #421007 #422E07

triadic

#421007 #074210 #100742

tetradic

#421007 #1C4207 #073942 #2E0742

square

#421007 #1C4207 #073942 #2E0742

split-complementary

#421007 #07422E #071C42

monochromatic

#1C0703 #1C0703 #421007 #791D0D #B12B13

Accessibility & contrast

On white

16.05

#421007 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#421007 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421007

16.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421007	#FFFFFF	#000000	##FFFFFF
##421007	1.00	16.05	1.31	16.05
#FFFFFF	16.05	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E1A06

Deuteranopia (green-blind)

#2B2505

Tritanopia (blue-blind)

#4A030E

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #421007;
/* rgb */ color: rgb(66, 16, 7);
/* oklch */ color: oklch(25.8% 0.079 32.7);

Tailwind

colors: {
  custom: {
    50: '#7b5149',
    500: '#421007',
    950: '#000000',
  },
}

SCSS

$custom: #421007;
$custom-light: #7b5149;
$custom-dark: #000000;

JSON

{
  "hex": "#421007",
  "rgb": {
    "r": 66,
    "g": 16,
    "b": 7
  },
  "hsl": {
    "h": 9.153,
    "s": 80.822,
    "l": 14.314
  },
  "oklch": {
    "l": 0.25804,
    "c": 0.07934,
    "h": 32.7
  },
  "luminance": 0.01544
}

Semantic roles & 50–950 ramp

primary

#421007

secondary

#247381

accent

#D9F731

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0201

muted

#7C7877

Preview Lab

Preview with #421007

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

Preview Lab → · Contrast checker → · Palette generator →