#304EAD#304EAD

#304EAD is a mid, vivid blue. Relative luminance 0.091; OKLCH L 45.8% C 0.156 H 266.8°. Best body text is #FFFFFF at 7.45:1 contrast (WCAG AA passes).

Color values

HEX	#304EAD
RGB	rgb(48, 78, 173)
HSL	hsl(226, 57%, 43%)
HSV	hsv(226, 72%, 68%)
CMYK	cmyk(72.3%, 54.9%, 0%, 32.2%)
CIE-LAB	lab(36.16, 22.34, -54.11)
CIE-LCH	lch(36.16, 58.54, 292.44°)
OKLab	oklab(45.79% -0.0086 -0.1558)
OKLCH	oklch(45.79% 0.156 266.8)
XYZ	xyz(11.4835, 9.0931, 40.6770)
Luminance	0.0909 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304EAD #AD8F30

analogous

#308CAD #304EAD #5030AD

triadic

#304EAD #AD304E #4EAD30

tetradic

#304EAD #AD308C #AD8F30 #30AD50

square

#304EAD #AD308C #AD8F30 #30AD50

split-complementary

#304EAD #AD5030 #8CAD30

monochromatic

#15234D #23387D #304EAD #4D6CCE #7D93DB

Accessibility & contrast

On white

7.45

#304EAD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#304EAD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304EAD

7.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304EAD	#FFFFFF	#000000	##FFFFFF
##304EAD	1.00	7.45	2.82	7.45
#FFFFFF	7.45	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BB0

Deuteranopia (green-blind)

#0050AB

Tritanopia (blue-blind)

#006576

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #304ead;
/* rgb */ color: rgb(48, 78, 173);
/* oklch */ color: oklch(45.8% 0.156 266.8);

Tailwind

colors: {
  custom: {
    50: '#797fc6',
    500: '#304ead',
    950: '#000000',
  },
}

SCSS

$custom: #304ead;
$custom-light: #797fc6;
$custom-dark: #000000;

JSON

{
  "hex": "#304ead",
  "rgb": {
    "r": 48,
    "g": 78,
    "b": 173
  },
  "hsl": {
    "h": 225.6,
    "s": 56.561,
    "l": 43.333
  },
  "oklch": {
    "l": 0.4579,
    "c": 0.15603,
    "h": 266.8
  },
  "luminance": 0.09094
}

Semantic roles & 50–950 ramp

primary

#304EAD

secondary

#C3B175

accent

#BB48E0

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #304EAD

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

Preview Lab → · Contrast checker → · Palette generator →