#304E86#304E86

#304E86 is a dark, moderate blue. Relative luminance 0.078; OKLCH L 43.0% C 0.100 H 261.8°. Best body text is #FFFFFF at 8.20:1 contrast (WCAG AA passes).

Color values

HEX	#304E86
RGB	rgb(48, 78, 134)
HSL	hsl(219, 47%, 36%)
HSV	hsv(219, 64%, 53%)
CMYK	cmyk(64.2%, 41.8%, 0%, 47.5%)
CIE-LAB	lab(33.56, 7.73, -34.73)
CIE-LCH	lch(33.56, 35.58, 282.54°)
OKLab	oklab(42.97% -0.0142 -0.0988)
OKLCH	oklch(42.97% 0.1 261.8)
XYZ	xyz(8.2449, 7.7976, 23.6202)
Luminance	0.0780 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304E86 #866830

analogous

#307986 #304E86 #3D3086

triadic

#304E86 #86304E #4E8630

tetradic

#304E86 #863079 #866830 #30863D

square

#304E86 #863079 #866830 #30863D

split-complementary

#304E86 #863D30 #798630

monochromatic

#101A2C #203459 #304E86 #4068B3 #688AC9

Accessibility & contrast

On white

8.20

#304E86 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#304E86 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304E86

8.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304E86	#FFFFFF	#000000	##FFFFFF
##304E86	1.00	8.20	2.56	8.20
#FFFFFF	8.20	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#355388

Deuteranopia (green-blind)

#294B85

Tritanopia (blue-blind)

#005B63

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #304e86;
/* rgb */ color: rgb(48, 78, 134);
/* oklch */ color: oklch(43.0% 0.100 261.8);

Tailwind

colors: {
  custom: {
    50: '#717fa9',
    500: '#304e86',
    950: '#000000',
  },
}

SCSS

$custom: #304e86;
$custom-light: #717fa9;
$custom-dark: #000000;

JSON

{
  "hex": "#304e86",
  "rgb": {
    "r": 48,
    "g": 78,
    "b": 134
  },
  "hsl": {
    "h": 219.07,
    "s": 47.253,
    "l": 35.686
  },
  "oklch": {
    "l": 0.42967,
    "c": 0.09983,
    "h": 261.8
  },
  "luminance": 0.07798
}

Semantic roles & 50–950 ramp

primary

#304E86

secondary

#B09562

accent

#A851D7

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#080A10

muted

#7B7C7F

Preview Lab

Preview with #304E86

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

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