#304F84#304F84

#304F84 is a dark, moderate blue. Relative luminance 0.079; OKLCH L 43.1% C 0.096 H 260.5°. Best body text is #FFFFFF at 8.15:1 contrast (WCAG AA passes).

Color values

HEX	#304F84
RGB	rgb(48, 79, 132)
HSL	hsl(218, 47%, 35%)
HSV	hsv(218, 64%, 52%)
CMYK	cmyk(63.6%, 40.2%, 0%, 48.2%)
CIE-LAB	lab(33.74, 6.33, -33.20)
CIE-LCH	lch(33.74, 33.80, 280.79°)
OKLab	oklab(43.07% -0.0158 -0.0943)
OKLCH	oklch(43.07% 0.096 260.5)
XYZ	xyz(8.1783, 7.8856, 22.9164)
Luminance	0.0789 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304F84 #846530

analogous

#307984 #304F84 #3B3084

triadic

#304F84 #84304F #4F8430

tetradic

#304F84 #843079 #846530 #30843B

square

#304F84 #843079 #846530 #30843B

split-complementary

#304F84 #843B30 #798430

monochromatic

#0F192A #203457 #304F84 #406AB1 #678BC8

Accessibility & contrast

On white

8.15

#304F84 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#304F84 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304F84

8.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304F84	#FFFFFF	#000000	##FFFFFF
##304F84	1.00	8.15	2.58	8.15
#FFFFFF	8.15	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#385486

Deuteranopia (green-blind)

#2C4C83

Tritanopia (blue-blind)

#005B63

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #304f84;
/* rgb */ color: rgb(48, 79, 132);
/* oklch */ color: oklch(43.1% 0.096 260.5);

Tailwind

colors: {
  custom: {
    50: '#7180a8',
    500: '#304f84',
    950: '#000000',
  },
}

SCSS

$custom: #304f84;
$custom-light: #7180a8;
$custom-dark: #000000;

JSON

{
  "hex": "#304f84",
  "rgb": {
    "r": 48,
    "g": 79,
    "b": 132
  },
  "hsl": {
    "h": 217.857,
    "s": 46.667,
    "l": 35.294
  },
  "oklch": {
    "l": 0.43072,
    "c": 0.09564,
    "h": 260.5
  },
  "luminance": 0.07886
}

Semantic roles & 50–950 ramp

primary

#304F84

secondary

#AF9261

accent

#A551D6

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#080A0F

muted

#7B7C7F

Preview Lab

Preview with #304F84

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

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