#390603#390603

#390603 is a very dark, moderate red. Relative luminance 0.010; OKLCH L 22.5% C 0.080 H 29.9°. Best body text is #FFFFFF at 17.48:1 contrast (WCAG AA passes).

Color values

HEX	#390603
RGB	rgb(57, 6, 3)
HSL	hsl(3, 90%, 12%)
HSV	hsv(3, 95%, 22%)
CMYK	cmyk(0%, 89.5%, 94.7%, 77.6%)
CIE-LAB	lab(9.05, 24.54, 12.92)
CIE-LCH	lch(9.05, 27.73, 27.78°)
OKLab	oklab(22.54% 0.0694 0.04)
OKLCH	oklch(22.54% 0.08 29.9)
XYZ	xyz(1.7691, 1.0070, 0.1873)
Luminance	0.0101 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#390603 #033639

analogous

#39031B #390603 #392103

triadic

#390603 #033906 #060339

tetradic

#390603 #1B3903 #033639 #210339

square

#390603 #1B3903 #033639 #210339

split-complementary

#390603 #033921 #031B39

monochromatic

#1D0302 #1D0302 #390603 #730C06 #AD1209

Accessibility & contrast

On white

17.48

#390603 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#390603 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #390603

17.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##390603	#FFFFFF	#000000	##FFFFFF
##390603	1.00	17.48	1.20	17.48
#FFFFFF	17.48	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#161202

Deuteranopia (green-blind)

#221E02

Tritanopia (blue-blind)

#400006

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #390603;
/* rgb */ color: rgb(57, 6, 3);
/* oklch */ color: oklch(22.5% 0.080 29.9);

Tailwind

colors: {
  custom: {
    50: '#744b48',
    500: '#390603',
    950: '#000000',
  },
}

SCSS

$custom: #390603;
$custom-light: #744b48;
$custom-dark: #000000;

JSON

{
  "hex": "#390603",
  "rgb": {
    "r": 57,
    "g": 6,
    "b": 3
  },
  "hsl": {
    "h": 3.333,
    "s": 90,
    "l": 11.765
  },
  "oklch": {
    "l": 0.22538,
    "c": 0.08014,
    "h": 29.9
  },
  "luminance": 0.01007
}

Semantic roles & 50–950 ramp

primary

#390603

secondary

#1C767C

accent

#F3FF29

background

#F7F4F4

surface

#EDE7E6

border

#C8C3C2

text

#090100

muted

#7B7777

Preview Lab

Preview with #390603

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

Preview Lab → · Contrast checker → · Palette generator →