#304FA2#304FA2

#304FA2 is a mid, vivid blue. Relative luminance 0.088; OKLCH L 45.2% C 0.139 H 265.7°. Best body text is #FFFFFF at 7.59:1 contrast (WCAG AA passes).

Color values

HEX	#304FA2
RGB	rgb(48, 79, 162)
HSL	hsl(224, 54%, 41%)
HSV	hsv(224, 70%, 64%)
CMYK	cmyk(70.4%, 51.2%, 0%, 36.5%)
CIE-LAB	lab(35.65, 17.54, -48.37)
CIE-LCH	lch(35.65, 51.45, 289.93°)
OKLab	oklab(45.15% -0.0105 -0.1389)
OKLCH	oklch(45.15% 0.139 265.7)
XYZ	xyz(10.5342, 8.8279, 35.3242)
Luminance	0.0883 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304FA2 #A28330

analogous

#3088A2 #304FA2 #4A30A2

triadic

#304FA2 #A2304F #4FA230

tetradic

#304FA2 #A23088 #A28330 #30A24A

square

#304FA2 #A23088 #A28330 #30A24A

split-complementary

#304FA2 #A24A30 #88A230

monochromatic

#142144 #223873 #304FA2 #476AC8 #7690D6

Accessibility & contrast

On white

7.59

#304FA2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#304FA2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304FA2

7.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304FA2	#FFFFFF	#000000	##FFFFFF
##304FA2	1.00	7.59	2.77	7.59
#FFFFFF	7.59	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E59A5

Deuteranopia (green-blind)

#004FA0

Tritanopia (blue-blind)

#006371

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #304fa2;
/* rgb */ color: rgb(48, 79, 162);
/* oklch */ color: oklch(45.2% 0.139 265.7);

Tailwind

colors: {
  custom: {
    50: '#777fbe',
    500: '#304fa2',
    950: '#000000',
  },
}

SCSS

$custom: #304fa2;
$custom-light: #777fbe;
$custom-dark: #000000;

JSON

{
  "hex": "#304fa2",
  "rgb": {
    "r": 48,
    "g": 79,
    "b": 162
  },
  "hsl": {
    "h": 223.684,
    "s": 54.286,
    "l": 41.176
  },
  "oklch": {
    "l": 0.45152,
    "c": 0.1393,
    "h": 265.7
  },
  "luminance": 0.08829
}

Semantic roles & 50–950 ramp

primary

#304FA2

secondary

#BEA96F

accent

#B64ADE

background

#F7F7FB

surface

#EEEEF7

border

#C9C9D0

text

#0A0A12

muted

#7C7C81

Preview Lab

Preview with #304FA2

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

Preview Lab → · Contrast checker → · Palette generator →