#34579D#34579D

#34579D is a mid, vivid blue. Relative luminance 0.100; OKLCH L 46.7% C 0.121 H 262.6°. Best body text is #FFFFFF at 7.01:1 contrast (WCAG AA passes).

Color values

HEX	#34579D
RGB	rgb(52, 87, 157)
HSL	hsl(220, 50%, 41%)
HSV	hsv(220, 67%, 62%)
CMYK	cmyk(66.9%, 44.6%, 0%, 38.4%)
CIE-LAB	lab(37.81, 11.06, -41.90)
CIE-LCH	lch(37.81, 43.34, 284.78°)
OKLab	oklab(46.75% -0.0154 -0.1197)
OKLCH	oklch(46.75% 0.121 262.6)
XYZ	xyz(10.9080, 9.9797, 33.2432)
Luminance	0.0998 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#34579D #9D7A34

analogous

#348B9D #34579D #45349D

triadic

#34579D #9D3457 #579D34

tetradic

#34579D #9D348B #9D7A34 #349D45

square

#34579D #9D348B #9D7A34 #349D45

split-complementary

#34579D #9D4534 #8B9D34

monochromatic

#162441 #253E6F #34579D #4B73C3 #7997D3

Accessibility & contrast

On white

7.01

#34579D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

3.00

#34579D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #34579D

7.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##34579D	#FFFFFF	#000000	##FFFFFF
##34579D	1.00	7.01	3.00	7.01
#FFFFFF	7.01	1.00	21.00	1.00
#000000	3.00	21.00	1.00	21.00
##FFFFFF	7.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#365EA0

Deuteranopia (green-blind)

#24549C

Tritanopia (blue-blind)

#006772

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #34579d;
/* rgb */ color: rgb(52, 87, 157);
/* oklch */ color: oklch(46.7% 0.121 262.6);

Tailwind

colors: {
  custom: {
    50: '#7785ba',
    500: '#34579d',
    950: '#000000',
  },
}

SCSS

$custom: #34579d;
$custom-light: #7785ba;
$custom-dark: #000000;

JSON

{
  "hex": "#34579d",
  "rgb": {
    "r": 52,
    "g": 87,
    "b": 157
  },
  "hsl": {
    "h": 220,
    "s": 50.239,
    "l": 40.98
  },
  "oklch": {
    "l": 0.46748,
    "c": 0.12066,
    "h": 262.6
  },
  "luminance": 0.09981
}

Semantic roles & 50–950 ramp

primary

#34579D

secondary

#BBA372

accent

#AB4EDA

background

#F7F8FB

surface

#EEEFF6

border

#C9CAD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #34579D

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

Preview Lab → · Contrast checker → · Palette generator →