#304BAD#304BAD

#304BAD is a mid, vivid blue. Relative luminance 0.087; OKLCH L 45.2% C 0.160 H 267.8°. Best body text is #FFFFFF at 7.68:1 contrast (WCAG AA passes).

Color values

HEX	#304BAD
RGB	rgb(48, 75, 173)
HSL	hsl(227, 57%, 43%)
HSV	hsv(227, 72%, 68%)
CMYK	cmyk(72.3%, 56.6%, 0%, 32.2%)
CIE-LAB	lab(35.35, 24.32, -55.42)
CIE-LCH	lch(35.35, 60.52, 293.70°)
OKLab	oklab(45.18% -0.0062 -0.1597)
OKLCH	oklch(45.18% 0.16 267.8)
XYZ	xyz(11.2752, 8.6765, 40.6076)
Luminance	0.0868 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304BAD #AD9230

analogous

#3089AD #304BAD #5330AD

triadic

#304BAD #AD304B #4BAD30

tetradic

#304BAD #AD3089 #AD9230 #30AD53

square

#304BAD #AD3089 #AD9230 #30AD53

split-complementary

#304BAD #AD5330 #89AD30

monochromatic

#15214D #23367D #304BAD #4D69CE #7D91DB

Accessibility & contrast

On white

7.68

#304BAD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#304BAD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304BAD

7.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304BAD	#FFFFFF	#000000	##FFFFFF
##304BAD	1.00	7.68	2.74	7.68
#FFFFFF	7.68	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059B0

Deuteranopia (green-blind)

#004EAB

Tritanopia (blue-blind)

#006374

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #304bad;
/* rgb */ color: rgb(48, 75, 173);
/* oklch */ color: oklch(45.2% 0.160 267.8);

Tailwind

colors: {
  custom: {
    50: '#797cc6',
    500: '#304bad',
    950: '#000000',
  },
}

SCSS

$custom: #304bad;
$custom-light: #797cc6;
$custom-dark: #000000;

JSON

{
  "hex": "#304bad",
  "rgb": {
    "r": 48,
    "g": 75,
    "b": 173
  },
  "hsl": {
    "h": 227.04,
    "s": 56.561,
    "l": 43.333
  },
  "oklch": {
    "l": 0.45181,
    "c": 0.15982,
    "h": 267.8
  },
  "luminance": 0.08678
}

Semantic roles & 50–950 ramp

primary

#304BAD

secondary

#C3B375

accent

#BF48E0

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #304BAD

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

Preview Lab → · Contrast checker → · Palette generator →