#304CAC#304CAC

#304CAC is a mid, vivid blue. Relative luminance 0.088; OKLCH L 45.3% C 0.157 H 267.4°. Best body text is #FFFFFF at 7.62:1 contrast (WCAG AA passes).

Color values

HEX	#304CAC
RGB	rgb(48, 76, 172)
HSL	hsl(226, 56%, 43%)
HSV	hsv(226, 72%, 67%)
CMYK	cmyk(72.1%, 55.8%, 0%, 32.5%)
CIE-LAB	lab(35.55, 23.29, -54.51)
CIE-LCH	lch(35.55, 59.28, 293.13°)
OKLab	oklab(45.3% -0.0071 -0.157)
OKLCH	oklch(45.3% 0.157 267.4)
XYZ	xyz(11.2472, 8.7747, 40.1227)
Luminance	0.0878 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304CAC #AC9030

analogous

#308AAC #304CAC #5230AC

triadic

#304CAC #AC304C #4CAC30

tetradic

#304CAC #AC308A #AC9030 #30AC52

square

#304CAC #AC308A #AC9030 #30AC52

split-complementary

#304CAC #AC5230 #8AAC30

monochromatic

#15224C #23377C #304CAC #4C69CD #7C91DA

Accessibility & contrast

On white

7.62

#304CAC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#304CAC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304CAC

7.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304CAC	#FFFFFF	#000000	##FFFFFF
##304CAC	1.00	7.62	2.76	7.62
#FFFFFF	7.62	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AAF

Deuteranopia (green-blind)

#004EAA

Tritanopia (blue-blind)

#006374

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #304cac;
/* rgb */ color: rgb(48, 76, 172);
/* oklch */ color: oklch(45.3% 0.157 267.4);

Tailwind

colors: {
  custom: {
    50: '#797dc5',
    500: '#304cac',
    950: '#000000',
  },
}

SCSS

$custom: #304cac;
$custom-light: #797dc5;
$custom-dark: #000000;

JSON

{
  "hex": "#304cac",
  "rgb": {
    "r": 48,
    "g": 76,
    "b": 172
  },
  "hsl": {
    "h": 226.452,
    "s": 56.364,
    "l": 43.137
  },
  "oklch": {
    "l": 0.45302,
    "c": 0.15717,
    "h": 267.4
  },
  "luminance": 0.08776
}

Semantic roles & 50–950 ramp

primary

#304CAC

secondary

#C3B175

accent

#BD48E0

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #304CAC

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

Preview Lab → · Contrast checker → · Palette generator →