#304FAF#304FAF

#304FAF is a mid, vivid blue. Relative luminance 0.093; OKLCH L 46.2% C 0.158 H 266.6°. Best body text is #FFFFFF at 7.33:1 contrast (WCAG AA passes).

Color values

HEX	#304FAF
RGB	rgb(48, 79, 175)
HSL	hsl(225, 57%, 44%)
HSV	hsv(225, 73%, 69%)
CMYK	cmyk(72.6%, 54.9%, 0%, 31.4%)
CIE-LAB	lab(36.58, 22.43, -54.61)
CIE-LCH	lch(36.58, 59.04, 292.33°)
OKLab	oklab(46.15% -0.0093 -0.1573)
OKLCH	oklch(46.15% 0.158 266.6)
XYZ	xyz(11.7501, 9.3143, 41.7277)
Luminance	0.0931 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304FAF #AF9030

analogous

#308EAF #304FAF #5030AF

triadic

#304FAF #AF304F #4FAF30

tetradic

#304FAF #AF308E #AF9030 #30AF50

square

#304FAF #AF308E #AF9030 #30AF50

split-complementary

#304FAF #AF5030 #8EAF30

monochromatic

#16244F #23397F #304FAF #4E6DCE #7E95DC

Accessibility & contrast

On white

7.33

#304FAF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.86

#304FAF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304FAF

7.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304FAF	#FFFFFF	#000000	##FFFFFF
##304FAF	1.00	7.33	2.86	7.33
#FFFFFF	7.33	1.00	21.00	1.00
#000000	2.86	21.00	1.00	21.00
##FFFFFF	7.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CB2

Deuteranopia (green-blind)

#0050AD

Tritanopia (blue-blind)

#006677

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #304faf;
/* rgb */ color: rgb(48, 79, 175);
/* oklch */ color: oklch(46.2% 0.158 266.6);

Tailwind

colors: {
  custom: {
    50: '#797fc8',
    500: '#304faf',
    950: '#000000',
  },
}

SCSS

$custom: #304faf;
$custom-light: #797fc8;
$custom-dark: #000000;

JSON

{
  "hex": "#304faf",
  "rgb": {
    "r": 48,
    "g": 79,
    "b": 175
  },
  "hsl": {
    "h": 225.354,
    "s": 56.951,
    "l": 43.725
  },
  "oklch": {
    "l": 0.46153,
    "c": 0.15755,
    "h": 266.6
  },
  "luminance": 0.09315
}

Semantic roles & 50–950 ramp

primary

#304FAF

secondary

#C4B176

accent

#BB48E0

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #304FAF

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

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