#34579E#34579E

#34579E is a mid, vivid blue. Relative luminance 0.100; OKLCH L 46.8% C 0.122 H 262.8°. Best body text is #FFFFFF at 6.99:1 contrast (WCAG AA passes).

Color values

HEX	#34579E
RGB	rgb(52, 87, 158)
HSL	hsl(220, 50%, 41%)
HSV	hsv(220, 67%, 62%)
CMYK	cmyk(67.1%, 44.9%, 0%, 38%)
CIE-LAB	lab(37.87, 11.43, -42.40)
CIE-LCH	lch(37.87, 43.92, 285.08°)
OKLab	oklab(46.82% -0.0152 -0.1211)
OKLCH	oklch(46.82% 0.122 262.8)
XYZ	xyz(10.9938, 10.0140, 33.6946)
Luminance	0.1002 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#34579E #9E7B34

analogous

#348C9E #34579E #46349E

triadic

#34579E #9E3457 #579E34

tetradic

#34579E #9E348C #9E7B34 #349E46

square

#34579E #9E348C #9E7B34 #349E46

split-complementary

#34579E #9E4634 #8C9E34

monochromatic

#162442 #253E70 #34579E #4B73C4 #7997D3

Accessibility & contrast

On white

6.99

#34579E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.00

#34579E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #34579E

6.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##34579E	#FFFFFF	#000000	##FFFFFF
##34579E	1.00	6.99	3.00	6.99
#FFFFFF	6.99	1.00	21.00	1.00
#000000	3.00	21.00	1.00	21.00
##FFFFFF	6.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#355EA1

Deuteranopia (green-blind)

#23559D

Tritanopia (blue-blind)

#006773

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #34579e;
/* rgb */ color: rgb(52, 87, 158);
/* oklch */ color: oklch(46.8% 0.122 262.8);

Tailwind

colors: {
  custom: {
    50: '#7785bb',
    500: '#34579e',
    950: '#000000',
  },
}

SCSS

$custom: #34579e;
$custom-light: #7785bb;
$custom-dark: #000000;

JSON

{
  "hex": "#34579e",
  "rgb": {
    "r": 52,
    "g": 87,
    "b": 158
  },
  "hsl": {
    "h": 220.189,
    "s": 50.476,
    "l": 41.176
  },
  "oklch": {
    "l": 0.46815,
    "c": 0.1221,
    "h": 262.8
  },
  "luminance": 0.10015
}

Semantic roles & 50–950 ramp

primary

#34579E

secondary

#BCA372

accent

#AC4EDA

background

#F7F8FB

surface

#EEEFF6

border

#C9CAD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #34579E

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

Preview Lab → · Contrast checker → · Palette generator →