#030728#030728

#030728 is a very dark, moderate blue. Relative luminance 0.003; OKLCH L 15.3% C 0.068 H 268.4°. Best body text is #FFFFFF at 19.72:1 contrast (WCAG AA passes).

Color values

HEX	#030728
RGB	rgb(3, 7, 40)
HSL	hsl(234, 86%, 8%)
HSV	hsv(234, 93%, 16%)
CMYK	cmyk(92.5%, 82.5%, 0%, 84.3%)
CIE-LAB	lab(2.93, 7.70, -20.51)
CIE-LCH	lch(2.93, 21.91, 290.58°)
OKLab	oklab(15.31% -0.0019 -0.0681)
OKLCH	oklch(15.31% 0.068 268.4)
XYZ	xyz(0.4964, 0.3245, 2.0435)
Luminance	0.0032 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.53

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#030728 #282403

analogous

#031928 #030728 #110328

triadic

#030728 #280307 #072803

tetradic

#030728 #280319 #282403 #032811

square

#030728 #280319 #282403 #032811

split-complementary

#030728 #281103 #192803

monochromatic

#02051C #02051C #030728 #071161 #0C1B9A

Accessibility & contrast

On white

19.72

#030728 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.07

#030728 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #030728

19.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##030728	#FFFFFF	#000000	##FFFFFF
##030728	1.00	19.72	1.07	19.72
#FFFFFF	19.72	1.00	21.00	1.00
#000000	1.07	21.00	1.00	21.00
##FFFFFF	19.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000D29

Deuteranopia (green-blind)

#000927

Tritanopia (blue-blind)

#001016

Achromatopsia (no color)

#0B0B0B

Design tokens & code

CSS

--color: #030728;
/* rgb */ color: rgb(3, 7, 40);
/* oklch */ color: oklch(15.3% 0.068 268.4);

Tailwind

colors: {
  custom: {
    50: '#484a62',
    500: '#030728',
    950: '#000000',
  },
}

SCSS

$custom: #030728;
$custom-light: #484a62;
$custom-dark: #000000;

JSON

{
  "hex": "#030728",
  "rgb": {
    "r": 3,
    "g": 7,
    "b": 40
  },
  "hsl": {
    "h": 233.514,
    "s": 86.047,
    "l": 8.431
  },
  "oklch": {
    "l": 0.15309,
    "c": 0.06818,
    "h": 268.4
  },
  "luminance": 0.00325
}

Semantic roles & 50–950 ramp

primary

#030728

secondary

#6C631B

accent

#E62CFC

background

#F4F4F5

surface

#E7E7EA

border

#C3C3C6

text

#010105

muted

#777779

Preview Lab

Preview with #030728

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

Preview Lab → · Contrast checker → · Palette generator →