#304DAE#304DAE

#304DAE is a mid, vivid blue. Relative luminance 0.090; OKLCH L 45.7% C 0.159 H 267.2°. Best body text is #FFFFFF at 7.50:1 contrast (WCAG AA passes).

Color values

HEX	#304DAE
RGB	rgb(48, 77, 174)
HSL	hsl(226, 57%, 44%)
HSV	hsv(226, 72%, 68%)
CMYK	cmyk(72.4%, 55.7%, 0%, 31.8%)
CIE-LAB	lab(35.97, 23.38, -55.02)
CIE-LCH	lch(35.97, 59.78, 293.02°)
OKLab	oklab(45.67% -0.0077 -0.1585)
OKLCH	oklch(45.67% 0.159 267.2)
XYZ	xyz(11.5101, 8.9909, 41.1650)
Luminance	0.0899 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304DAE #AE9130

analogous

#308CAE #304DAE #5230AE

triadic

#304DAE #AE304D #4DAE30

tetradic

#304DAE #AE308C #AE9130 #30AE52

square

#304DAE #AE308C #AE9130 #30AE52

split-complementary

#304DAE #AE5230 #8CAE30

monochromatic

#16234E #23387E #304DAE #4D6BCE #7D93DB

Accessibility & contrast

On white

7.50

#304DAE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#304DAE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304DAE

7.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304DAE	#FFFFFF	#000000	##FFFFFF
##304DAE	1.00	7.50	2.80	7.50
#FFFFFF	7.50	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BB1

Deuteranopia (green-blind)

#004FAC

Tritanopia (blue-blind)

#006576

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #304dae;
/* rgb */ color: rgb(48, 77, 174);
/* oklch */ color: oklch(45.7% 0.159 267.2);

Tailwind

colors: {
  custom: {
    50: '#797ec7',
    500: '#304dae',
    950: '#000000',
  },
}

SCSS

$custom: #304dae;
$custom-light: #797ec7;
$custom-dark: #000000;

JSON

{
  "hex": "#304dae",
  "rgb": {
    "r": 48,
    "g": 77,
    "b": 174
  },
  "hsl": {
    "h": 226.19,
    "s": 56.757,
    "l": 43.529
  },
  "oklch": {
    "l": 0.45666,
    "c": 0.15868,
    "h": 267.2
  },
  "luminance": 0.08992
}

Semantic roles & 50–950 ramp

primary

#304DAE

secondary

#C4B276

accent

#BD48E0

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #304DAE

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

Preview Lab → · Contrast checker → · Palette generator →