#34579B#34579B

#34579B is a mid, moderate blue. Relative luminance 0.099; OKLCH L 46.6% C 0.118 H 262.3°. Best body text is #FFFFFF at 7.04:1 contrast (WCAG AA passes).

Color values

HEX	#34579B
RGB	rgb(52, 87, 155)
HSL	hsl(220, 50%, 41%)
HSV	hsv(220, 66%, 61%)
CMYK	cmyk(66.5%, 43.9%, 0%, 39.2%)
CIE-LAB	lab(37.68, 10.32, -40.90)
CIE-LCH	lch(37.68, 42.18, 284.16°)
OKLab	oklab(46.62% -0.0158 -0.1167)
OKLCH	oklch(46.62% 0.118 262.3)
XYZ	xyz(10.7387, 9.9120, 32.3513)
Luminance	0.0991 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#34579B #9B7834

analogous

#348A9B #34579B #45349B

triadic

#34579B #9B3457 #579B34

tetradic

#34579B #9B348A #9B7834 #349B45

square

#34579B #9B348A #9B7834 #349B45

split-complementary

#34579B #9B4534 #8A9B34

monochromatic

#15243F #253D6D #34579B #4A73C2 #7896D2

Accessibility & contrast

On white

7.04

#34579B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.98

#34579B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #34579B

7.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##34579B	#FFFFFF	#000000	##FFFFFF
##34579B	1.00	7.04	2.98	7.04
#FFFFFF	7.04	1.00	21.00	1.00
#000000	2.98	21.00	1.00	21.00
##FFFFFF	7.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#375E9E

Deuteranopia (green-blind)

#27549A

Tritanopia (blue-blind)

#006771

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #34579b;
/* rgb */ color: rgb(52, 87, 155);
/* oklch */ color: oklch(46.6% 0.118 262.3);

Tailwind

colors: {
  custom: {
    50: '#7785b9',
    500: '#34579b',
    950: '#000000',
  },
}

SCSS

$custom: #34579b;
$custom-light: #7785b9;
$custom-dark: #000000;

JSON

{
  "hex": "#34579b",
  "rgb": {
    "r": 52,
    "g": 87,
    "b": 155
  },
  "hsl": {
    "h": 219.612,
    "s": 49.758,
    "l": 40.588
  },
  "oklch": {
    "l": 0.46615,
    "c": 0.11779,
    "h": 262.3
  },
  "luminance": 0.09913
}

Semantic roles & 50–950 ramp

primary

#34579B

secondary

#BAA171

accent

#AA4FD9

background

#F7F8FB

surface

#EEEFF6

border

#C9CAD0

text

#090B11

muted

#7B7C80

Preview Lab

Preview with #34579B

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

Preview Lab → · Contrast checker → · Palette generator →