#30428F#30428F

#30428F is a dark, vivid blue. Relative luminance 0.065; OKLCH L 40.9% C 0.129 H 269.9°. Best body text is #FFFFFF at 9.12:1 contrast (WCAG AA passes).

Color values

HEX	#30428F
RGB	rgb(48, 66, 143)
HSL	hsl(229, 50%, 37%)
HSV	hsv(229, 66%, 56%)
CMYK	cmyk(66.4%, 53.8%, 0%, 43.9%)
CIE-LAB	lab(30.66, 19.13, -44.91)
CIE-LCH	lch(30.66, 48.82, 293.08°)
OKLab	oklab(40.94% -0.0001 -0.1289)
OKLCH	oklch(40.94% 0.129 269.9)
XYZ	xyz(8.1234, 6.5072, 26.8092)
Luminance	0.0651 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30428F #8F7D30

analogous

#30718F #30428F #4E308F

triadic

#30428F #8F3042 #428F30

tetradic

#30428F #8F3071 #8F7D30 #308F4E

square

#30428F #8F3071 #8F7D30 #308F4E

split-complementary

#30428F #8F4E30 #718F30

monochromatic

#111833 #212D61 #30428F #3F57BD #6C7ECE

Accessibility & contrast

On white

9.12

#30428F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#30428F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #30428F

9.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30428F	#FFFFFF	#000000	##FFFFFF
##30428F	1.00	9.12	2.30	9.12
#FFFFFF	9.12	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#114D92

Deuteranopia (green-blind)

#00448D

Tritanopia (blue-blind)

#005462

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #30428f;
/* rgb */ color: rgb(48, 66, 143);
/* oklch */ color: oklch(40.9% 0.129 269.9);

Tailwind

colors: {
  custom: {
    50: '#7376b0',
    500: '#30428f',
    950: '#000000',
  },
}

SCSS

$custom: #30428f;
$custom-light: #7376b0;
$custom-dark: #000000;

JSON

{
  "hex": "#30428f",
  "rgb": {
    "r": 48,
    "g": 66,
    "b": 143
  },
  "hsl": {
    "h": 228.632,
    "s": 49.738,
    "l": 37.451
  },
  "oklch": {
    "l": 0.4094,
    "c": 0.12891,
    "h": 269.9
  },
  "luminance": 0.06508
}

Semantic roles & 50–950 ramp

primary

#30428F

secondary

#B5A666

accent

#BF4FD9

background

#F7F7FA

surface

#EDEDF5

border

#C8C8CF

text

#090811

muted

#7B7B80

Preview Lab

Preview with #30428F

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

Preview Lab → · Contrast checker → · Palette generator →