#390A03#390A03

#390A03 is a very dark, moderate red. Relative luminance 0.011; OKLCH L 23.1% C 0.076 H 33.1°. Best body text is #FFFFFF at 17.23:1 contrast (WCAG AA passes).

Color values

HEX	#390A03
RGB	rgb(57, 10, 3)
HSL	hsl(8, 90%, 12%)
HSV	hsv(8, 95%, 22%)
CMYK	cmyk(0%, 82.5%, 94.7%, 77.6%)
CIE-LAB	lab(9.75, 22.59, 13.92)
CIE-LCH	lch(9.75, 26.54, 31.64°)
OKLab	oklab(23.06% 0.0634 0.0414)
OKLCH	oklch(23.06% 0.076 33.1)
XYZ	xyz(1.8125, 1.0938, 0.2018)
Luminance	0.0109 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#390A03 #033239

analogous

#390317 #390A03 #392503

triadic

#390A03 #03390A #0A0339

tetradic

#390A03 #173903 #033239 #250339

square

#390A03 #173903 #033239 #250339

split-complementary

#390A03 #033925 #031739

monochromatic

#1D0502 #1D0502 #390A03 #731406 #AD1E09

Accessibility & contrast

On white

17.23

#390A03 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#390A03 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #390A03

17.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##390A03	#FFFFFF	#000000	##FFFFFF
##390A03	1.00	17.23	1.22	17.23
#FFFFFF	17.23	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#181402

Deuteranopia (green-blind)

#241F02

Tritanopia (blue-blind)

#400008

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #390a03;
/* rgb */ color: rgb(57, 10, 3);
/* oklch */ color: oklch(23.1% 0.076 33.1);

Tailwind

colors: {
  custom: {
    50: '#744d48',
    500: '#390a03',
    950: '#000000',
  },
}

SCSS

$custom: #390a03;
$custom-light: #744d48;
$custom-dark: #000000;

JSON

{
  "hex": "#390a03",
  "rgb": {
    "r": 57,
    "g": 10,
    "b": 3
  },
  "hsl": {
    "h": 7.778,
    "s": 90,
    "l": 11.765
  },
  "oklch": {
    "l": 0.23061,
    "c": 0.07572,
    "h": 33.1
  },
  "luminance": 0.01094
}

Semantic roles & 50–950 ramp

primary

#390A03

secondary

#1C6F7C

accent

#E3FF29

background

#F7F4F4

surface

#EDE7E6

border

#C8C3C2

text

#090100

muted

#7B7777

Preview Lab

Preview with #390A03

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

Preview Lab → · Contrast checker → · Palette generator →