#390503#390503

#390503 is a very dark, moderate red. Relative luminance 0.010; OKLCH L 22.4% C 0.081 H 29.2°. Best body text is #FFFFFF at 17.54:1 contrast (WCAG AA passes).

Color values

HEX	#390503
RGB	rgb(57, 5, 3)
HSL	hsl(2, 90%, 12%)
HSV	hsv(2, 95%, 22%)
CMYK	cmyk(0%, 91.2%, 94.7%, 77.6%)
CIE-LAB	lab(8.87, 25.05, 12.66)
CIE-LCH	lch(8.87, 28.07, 26.82°)
OKLab	oklab(22.4% 0.071 0.0396)
OKLCH	oklch(22.4% 0.081 29.2)
XYZ	xyz(1.7583, 0.9853, 0.1837)
Luminance	0.0098 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#390503 #033739

analogous

#39031C #390503 #392003

triadic

#390503 #033905 #050339

tetradic

#390503 #1C3903 #033739 #200339

square

#390503 #1C3903 #033739 #200339

split-complementary

#390503 #033920 #031C39

monochromatic

#1D0302 #1D0302 #390503 #730A06 #AD0F09

Accessibility & contrast

On white

17.54

#390503 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#390503 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #390503

17.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##390503	#FFFFFF	#000000	##FFFFFF
##390503	1.00	17.54	1.20	17.54
#FFFFFF	17.54	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#151202

Deuteranopia (green-blind)

#221D02

Tritanopia (blue-blind)

#400005

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #390503;
/* rgb */ color: rgb(57, 5, 3);
/* oklch */ color: oklch(22.4% 0.081 29.2);

Tailwind

colors: {
  custom: {
    50: '#744a48',
    500: '#390503',
    950: '#000000',
  },
}

SCSS

$custom: #390503;
$custom-light: #744a48;
$custom-dark: #000000;

JSON

{
  "hex": "#390503",
  "rgb": {
    "r": 57,
    "g": 5,
    "b": 3
  },
  "hsl": {
    "h": 2.222,
    "s": 90,
    "l": 11.765
  },
  "oklch": {
    "l": 0.22403,
    "c": 0.08134,
    "h": 29.2
  },
  "luminance": 0.00985
}

Semantic roles & 50–950 ramp

primary

#390503

secondary

#1C787C

accent

#F7FF29

background

#F7F4F4

surface

#EDE7E6

border

#C8C3C2

text

#090100

muted

#7B7777

Preview Lab

Preview with #390503

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

Preview Lab → · Contrast checker → · Palette generator →