#304AC9#304AC9

#304AC9 is a mid, vivid blue. Relative luminance 0.097; OKLCH L 47.4% C 0.198 H 268.5°. Best body text is #FFFFFF at 7.12:1 contrast (WCAG AA passes).

Color values

HEX	#304AC9
RGB	rgb(48, 74, 201)
HSL	hsl(230, 61%, 49%)
HSV	hsv(230, 76%, 79%)
CMYK	cmyk(76.1%, 63.2%, 0%, 21.2%)
CIE-LAB	lab(37.37, 35.29, -68.58)
CIE-LCH	lch(37.37, 77.12, 297.23°)
OKLab	oklab(47.39% -0.0053 -0.1983)
OKLCH	oklch(47.39% 0.198 268.5)
XYZ	xyz(14.2067, 9.7414, 56.3786)
Luminance	0.0974 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304AC9 #C9AF30

analogous

#3097C9 #304AC9 #6330C9

triadic

#304AC9 #C9304A #4AC930

tetradic

#304AC9 #C93097 #C9AF30 #30C963

square

#304AC9 #C93097 #C9AF30 #30C963

split-complementary

#304AC9 #C96330 #97C930

monochromatic

#182666 #243898 #304AC9 #5E73D8 #8F9EE4

Accessibility & contrast

On white

7.12

#304AC9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.95

#304AC9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304AC9

7.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304AC9	#FFFFFF	#000000	##FFFFFF
##304AC9	1.00	7.12	2.95	7.12
#FFFFFF	7.12	1.00	21.00	1.00
#000000	2.95	21.00	1.00	21.00
##FFFFFF	7.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FCD

Deuteranopia (green-blind)

#0051C7

Tritanopia (blue-blind)

#006B82

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #304ac9;
/* rgb */ color: rgb(48, 74, 201);
/* oklch */ color: oklch(47.4% 0.198 268.5);

Tailwind

colors: {
  custom: {
    50: '#807cda',
    500: '#304ac9',
    950: '#000000',
  },
}

SCSS

$custom: #304ac9;
$custom-light: #807cda;
$custom-dark: #000000;

JSON

{
  "hex": "#304ac9",
  "rgb": {
    "r": 48,
    "g": 74,
    "b": 201
  },
  "hsl": {
    "h": 229.804,
    "s": 61.446,
    "l": 48.824
  },
  "oklch": {
    "l": 0.47392,
    "c": 0.19839,
    "h": 268.5
  },
  "luminance": 0.09743
}

Semantic roles & 50–950 ramp

primary

#304AC9

secondary

#CFC286

accent

#C943E5

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0C0915

muted

#7D7B83

Preview Lab

Preview with #304AC9

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

Preview Lab → · Contrast checker → · Palette generator →