#304DAF#304DAF

#304DAF is a mid, vivid blue. Relative luminance 0.090; OKLCH L 45.7% C 0.160 H 267.2°. Best body text is #FFFFFF at 7.48:1 contrast (WCAG AA passes).

Color values

HEX	#304DAF
RGB	rgb(48, 77, 175)
HSL	hsl(226, 57%, 44%)
HSV	hsv(226, 73%, 69%)
CMYK	cmyk(72.6%, 56%, 0%, 31.4%)
CIE-LAB	lab(36.04, 23.75, -55.49)
CIE-LCH	lch(36.04, 60.36, 293.17°)
OKLab	oklab(45.75% -0.0077 -0.1599)
OKLCH	oklch(45.75% 0.16 267.2)
XYZ	xyz(11.6080, 9.0301, 41.6803)
Luminance	0.0903 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304DAF #AF9230

analogous

#308CAF #304DAF #5230AF

triadic

#304DAF #AF304D #4DAF30

tetradic

#304DAF #AF308C #AF9230 #30AF52

square

#304DAF #AF308C #AF9230 #30AF52

split-complementary

#304DAF #AF5230 #8CAF30

monochromatic

#16234F #23387F #304DAF #4E6BCE #7E93DC

Accessibility & contrast

On white

7.48

#304DAF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.81

#304DAF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304DAF

7.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304DAF	#FFFFFF	#000000	##FFFFFF
##304DAF	1.00	7.48	2.81	7.48
#FFFFFF	7.48	1.00	21.00	1.00
#000000	2.81	21.00	1.00	21.00
##FFFFFF	7.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BB2

Deuteranopia (green-blind)

#004FAD

Tritanopia (blue-blind)

#006576

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #304daf;
/* rgb */ color: rgb(48, 77, 175);
/* oklch */ color: oklch(45.7% 0.160 267.2);

Tailwind

colors: {
  custom: {
    50: '#797ec8',
    500: '#304daf',
    950: '#000000',
  },
}

SCSS

$custom: #304daf;
$custom-light: #797ec8;
$custom-dark: #000000;

JSON

{
  "hex": "#304daf",
  "rgb": {
    "r": 48,
    "g": 77,
    "b": 175
  },
  "hsl": {
    "h": 226.299,
    "s": 56.951,
    "l": 43.725
  },
  "oklch": {
    "l": 0.45746,
    "c": 0.16005,
    "h": 267.2
  },
  "luminance": 0.09031
}

Semantic roles & 50–950 ramp

primary

#304DAF

secondary

#C4B376

accent

#BD48E0

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #304DAF

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

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