#304698#304698

#304698 is a dark, vivid blue. Relative luminance 0.073; OKLCH L 42.5% C 0.137 H 268.6°. Best body text is #FFFFFF at 8.55:1 contrast (WCAG AA passes).

Color values

HEX	#304698
RGB	rgb(48, 70, 152)
HSL	hsl(227, 52%, 39%)
HSV	hsv(227, 68%, 60%)
CMYK	cmyk(68.4%, 53.9%, 0%, 40.4%)
CIE-LAB	lab(32.42, 19.80, -47.55)
CIE-LCH	lch(32.42, 51.51, 292.61°)
OKLab	oklab(42.48% -0.0032 -0.1366)
OKLCH	oklch(42.48% 0.137 268.6)
XYZ	xyz(9.0746, 7.2748, 30.6256)
Luminance	0.0728 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304698 #988230

analogous

#307A98 #304698 #4E3098

triadic

#304698 #983046 #469830

tetradic

#304698 #98307A #988230 #30984E

square

#304698 #98307A #988230 #30984E

split-complementary

#304698 #984E30 #7A9830

monochromatic

#131B3B #213169 #304698 #425DC3 #7085D2

Accessibility & contrast

On white

8.55

#304698 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#304698 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304698

8.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304698	#FFFFFF	#000000	##FFFFFF
##304698	1.00	8.55	2.46	8.55
#FFFFFF	8.55	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F519B

Deuteranopia (green-blind)

#004896

Tritanopia (blue-blind)

#005968

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #304698;
/* rgb */ color: rgb(48, 70, 152);
/* oklch */ color: oklch(42.5% 0.137 268.6);

Tailwind

colors: {
  custom: {
    50: '#7579b7',
    500: '#304698',
    950: '#000000',
  },
}

SCSS

$custom: #304698;
$custom-light: #7579b7;
$custom-dark: #000000;

JSON

{
  "hex": "#304698",
  "rgb": {
    "r": 48,
    "g": 70,
    "b": 152
  },
  "hsl": {
    "h": 227.308,
    "s": 52,
    "l": 39.216
  },
  "oklch": {
    "l": 0.42481,
    "c": 0.13666,
    "h": 268.6
  },
  "luminance": 0.07276
}

Semantic roles & 50–950 ramp

primary

#304698

secondary

#BAA96A

accent

#BD4CDB

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#090911

muted

#7B7B80

Preview Lab

Preview with #304698

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

Preview Lab → · Contrast checker → · Palette generator →