#304F85#304F85

#304F85 is a dark, moderate blue. Relative luminance 0.079; OKLCH L 43.1% C 0.097 H 260.8°. Best body text is #FFFFFF at 8.13:1 contrast (WCAG AA passes).

Color values

HEX	#304F85
RGB	rgb(48, 79, 133)
HSL	hsl(218, 47%, 35%)
HSV	hsv(218, 64%, 52%)
CMYK	cmyk(63.9%, 40.6%, 0%, 47.8%)
CIE-LAB	lab(33.80, 6.70, -33.73)
CIE-LCH	lch(33.80, 34.38, 281.23°)
OKLab	oklab(43.14% -0.0156 -0.0959)
OKLCH	oklch(43.14% 0.097 260.8)
XYZ	xyz(8.2471, 7.9131, 23.2785)
Luminance	0.0791 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304F85 #856630

analogous

#307985 #304F85 #3C3085

triadic

#304F85 #85304F #4F8530

tetradic

#304F85 #853079 #856630 #30853C

square

#304F85 #853079 #856630 #30853C

split-complementary

#304F85 #853C30 #798530

monochromatic

#101A2B #203458 #304F85 #406AB2 #678BC8

Accessibility & contrast

On white

8.13

#304F85 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#304F85 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304F85

8.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304F85	#FFFFFF	#000000	##FFFFFF
##304F85	1.00	8.13	2.58	8.13
#FFFFFF	8.13	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#375487

Deuteranopia (green-blind)

#2C4C84

Tritanopia (blue-blind)

#005B63

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #304f85;
/* rgb */ color: rgb(48, 79, 133);
/* oklch */ color: oklch(43.1% 0.097 260.8);

Tailwind

colors: {
  custom: {
    50: '#7180a9',
    500: '#304f85',
    950: '#000000',
  },
}

SCSS

$custom: #304f85;
$custom-light: #7180a9;
$custom-dark: #000000;

JSON

{
  "hex": "#304f85",
  "rgb": {
    "r": 48,
    "g": 79,
    "b": 133
  },
  "hsl": {
    "h": 218.118,
    "s": 46.961,
    "l": 35.49
  },
  "oklch": {
    "l": 0.43136,
    "c": 0.09711,
    "h": 260.8
  },
  "luminance": 0.07914
}

Semantic roles & 50–950 ramp

primary

#304F85

secondary

#AF9361

accent

#A651D7

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#080A10

muted

#7B7C7F

Preview Lab

Preview with #304F85

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

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