#304E82#304E82

#304E82 is a dark, moderate blue. Relative luminance 0.077; OKLCH L 42.7% C 0.094 H 260.7°. Best body text is #FFFFFF at 8.27:1 contrast (WCAG AA passes).

Color values

HEX	#304E82
RGB	rgb(48, 78, 130)
HSL	hsl(218, 46%, 35%)
HSV	hsv(218, 63%, 51%)
CMYK	cmyk(63.1%, 40%, 0%, 49%)
CIE-LAB	lab(33.32, 6.25, -32.63)
CIE-LCH	lch(33.32, 33.23, 280.85°)
OKLab	oklab(42.71% -0.0151 -0.0927)
OKLCH	oklch(42.71% 0.094 260.7)
XYZ	xyz(7.9712, 7.6882, 22.1787)
Luminance	0.0769 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304E82 #826430

analogous

#307782 #304E82 #3B3082

triadic

#304E82 #82304E #4E8230

tetradic

#304E82 #823077 #826430 #30823B

square

#304E82 #823077 #826430 #30823B

split-complementary

#304E82 #823B30 #778230

monochromatic

#0F1829 #1F3355 #304E82 #4169AF #6689C6

Accessibility & contrast

On white

8.27

#304E82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#304E82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304E82

8.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304E82	#FFFFFF	#000000	##FFFFFF
##304E82	1.00	8.27	2.54	8.27
#FFFFFF	8.27	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#385384

Deuteranopia (green-blind)

#2C4B81

Tritanopia (blue-blind)

#005A61

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #304e82;
/* rgb */ color: rgb(48, 78, 130);
/* oklch */ color: oklch(42.7% 0.094 260.7);

Tailwind

colors: {
  custom: {
    50: '#707fa6',
    500: '#304e82',
    950: '#000000',
  },
}

SCSS

$custom: #304e82;
$custom-light: #707fa6;
$custom-dark: #000000;

JSON

{
  "hex": "#304e82",
  "rgb": {
    "r": 48,
    "g": 78,
    "b": 130
  },
  "hsl": {
    "h": 218.049,
    "s": 46.067,
    "l": 34.902
  },
  "oklch": {
    "l": 0.4271,
    "c": 0.09391,
    "h": 260.7
  },
  "luminance": 0.07689
}

Semantic roles & 50–950 ramp

primary

#304E82

secondary

#AE9160

accent

#A652D6

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#080A0F

muted

#7B7C7F

Preview Lab

Preview with #304E82

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

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