#304F86#304F86

#304F86 is a dark, moderate blue. Relative luminance 0.079; OKLCH L 43.2% C 0.099 H 261.1°. Best body text is #FFFFFF at 8.11:1 contrast (WCAG AA passes).

Color values

HEX	#304F86
RGB	rgb(48, 79, 134)
HSL	hsl(218, 47%, 36%)
HSV	hsv(218, 64%, 53%)
CMYK	cmyk(64.2%, 41%, 0%, 47.5%)
CIE-LAB	lab(33.86, 7.06, -34.25)
CIE-LCH	lch(33.86, 34.97, 281.65°)
OKLab	oklab(43.2% -0.0153 -0.0974)
OKLCH	oklch(43.2% 0.099 261.1)
XYZ	xyz(8.3165, 7.9408, 23.6441)
Luminance	0.0794 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304F86 #866730

analogous

#307A86 #304F86 #3C3086

triadic

#304F86 #86304F #4F8630

tetradic

#304F86 #86307A #866730 #30863C

square

#304F86 #86307A #866730 #30863C

split-complementary

#304F86 #863C30 #7A8630

monochromatic

#101A2C #203459 #304F86 #406AB3 #688BC9

Accessibility & contrast

On white

8.11

#304F86 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#304F86 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304F86

8.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304F86	#FFFFFF	#000000	##FFFFFF
##304F86	1.00	8.11	2.59	8.11
#FFFFFF	8.11	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#375488

Deuteranopia (green-blind)

#2B4C85

Tritanopia (blue-blind)

#005B64

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #304f86;
/* rgb */ color: rgb(48, 79, 134);
/* oklch */ color: oklch(43.2% 0.099 261.1);

Tailwind

colors: {
  custom: {
    50: '#717fa9',
    500: '#304f86',
    950: '#000000',
  },
}

SCSS

$custom: #304f86;
$custom-light: #717fa9;
$custom-dark: #000000;

JSON

{
  "hex": "#304f86",
  "rgb": {
    "r": 48,
    "g": 79,
    "b": 134
  },
  "hsl": {
    "h": 218.372,
    "s": 47.253,
    "l": 35.686
  },
  "oklch": {
    "l": 0.432,
    "c": 0.0986,
    "h": 261.1
  },
  "luminance": 0.07942
}

Semantic roles & 50–950 ramp

primary

#304F86

secondary

#B09462

accent

#A751D7

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#080A10

muted

#7B7C7F

Preview Lab

Preview with #304F86

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

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