#34539B#34539B

#34539B is a mid, vivid blue. Relative luminance 0.093; OKLCH L 45.7% C 0.123 H 264.5°. Best body text is #FFFFFF at 7.35:1 contrast (WCAG AA passes).

Color values

HEX	#34539B
RGB	rgb(52, 83, 155)
HSL	hsl(222, 50%, 41%)
HSV	hsv(222, 66%, 61%)
CMYK	cmyk(66.5%, 46.5%, 0%, 39.2%)
CIE-LAB	lab(36.52, 12.94, -42.76)
CIE-LCH	lch(36.52, 44.67, 286.84°)
OKLab	oklab(45.72% -0.0117 -0.1222)
OKLCH	oklch(45.72% 0.123 264.5)
XYZ	xyz(10.4238, 9.2822, 32.2463)
Luminance	0.0928 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#34539B #9B7C34

analogous

#34869B #34539B #49349B

triadic

#34539B #9B3453 #539B34

tetradic

#34539B #9B3486 #9B7C34 #349B49

square

#34539B #9B3486 #9B7C34 #349B49

split-complementary

#34539B #9B4934 #869B34

monochromatic

#15223F #253A6D #34539B #4A6EC2 #7893D2

Accessibility & contrast

On white

7.35

#34539B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.86

#34539B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #34539B

7.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##34539B	#FFFFFF	#000000	##FFFFFF
##34539B	1.00	7.35	2.86	7.35
#FFFFFF	7.35	1.00	21.00	1.00
#000000	2.86	21.00	1.00	21.00
##FFFFFF	7.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#305B9E

Deuteranopia (green-blind)

#1D529A

Tritanopia (blue-blind)

#00646F

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #34539b;
/* rgb */ color: rgb(52, 83, 155);
/* oklch */ color: oklch(45.7% 0.123 264.5);

Tailwind

colors: {
  custom: {
    50: '#7782b9',
    500: '#34539b',
    950: '#000000',
  },
}

SCSS

$custom: #34539b;
$custom-light: #7782b9;
$custom-dark: #000000;

JSON

{
  "hex": "#34539b",
  "rgb": {
    "r": 52,
    "g": 83,
    "b": 155
  },
  "hsl": {
    "h": 221.942,
    "s": 49.758,
    "l": 40.588
  },
  "oklch": {
    "l": 0.45721,
    "c": 0.1228,
    "h": 264.5
  },
  "luminance": 0.09283
}

Semantic roles & 50–950 ramp

primary

#34539B

secondary

#BAA471

accent

#B04FD9

background

#F7F7FB

surface

#EEEEF6

border

#C9C9D0

text

#090A11

muted

#7B7C80

Preview Lab

Preview with #34539B

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

Preview Lab → · Contrast checker → · Palette generator →