#304F97#304F97

#304F97 is a dark, vivid blue. Relative luminance 0.085; OKLCH L 44.4% C 0.123 H 264.4°. Best body text is #FFFFFF at 7.80:1 contrast (WCAG AA passes).

Color values

HEX	#304F97
RGB	rgb(48, 79, 151)
HSL	hsl(222, 52%, 39%)
HSV	hsv(222, 68%, 59%)
CMYK	cmyk(68.2%, 47.7%, 0%, 40.8%)
CIE-LAB	lab(34.91, 13.40, -42.94)
CIE-LCH	lch(34.91, 44.98, 287.33°)
OKLab	oklab(44.35% -0.012 -0.1229)
OKLCH	oklch(44.35% 0.124 264.4)
XYZ	xyz(9.5989, 8.4538, 30.3980)
Luminance	0.0846 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304F97 #977830

analogous

#308397 #304F97 #453097

triadic

#304F97 #97304F #4F9730

tetradic

#304F97 #973083 #977830 #309745

square

#304F97 #973083 #977830 #309745

split-complementary

#304F97 #974530 #839730

monochromatic

#121E3A #213769 #304F97 #4168C3 #708DD2

Accessibility & contrast

On white

7.80

#304F97 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#304F97 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304F97

7.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304F97	#FFFFFF	#000000	##FFFFFF
##304F97	1.00	7.80	2.69	7.80
#FFFFFF	7.80	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A579A

Deuteranopia (green-blind)

#154E96

Tritanopia (blue-blind)

#00606B

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #304f97;
/* rgb */ color: rgb(48, 79, 151);
/* oklch */ color: oklch(44.4% 0.123 264.4);

Tailwind

colors: {
  custom: {
    50: '#747fb6',
    500: '#304f97',
    950: '#000000',
  },
}

SCSS

$custom: #304f97;
$custom-light: #747fb6;
$custom-dark: #000000;

JSON

{
  "hex": "#304f97",
  "rgb": {
    "r": 48,
    "g": 79,
    "b": 151
  },
  "hsl": {
    "h": 221.942,
    "s": 51.759,
    "l": 39.02
  },
  "oklch": {
    "l": 0.4435,
    "c": 0.1235,
    "h": 264.4
  },
  "luminance": 0.08455
}

Semantic roles & 50–950 ramp

primary

#304F97

secondary

#B9A16A

accent

#B04DDB

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090A11

muted

#7B7C80

Preview Lab

Preview with #304F97

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

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