#347AA4#347AA4

#347AA4 is a mid, moderate cyan. Relative luminance 0.173; OKLCH L 55.4% C 0.096 H 238.3°. Best body text is #FFFFFF at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#347AA4
RGB	rgb(52, 122, 164)
HSL	hsl(203, 52%, 42%)
HSV	hsv(203, 68%, 64%)
CMYK	cmyk(68.3%, 25.6%, 0%, 35.7%)
CIE-LAB	lab(48.67, -8.11, -28.90)
CIE-LCH	lch(48.67, 30.01, 254.33°)
OKLab	oklab(55.37% -0.0502 -0.0813)
OKLCH	oklch(55.37% 0.096 238.3)
XYZ	xyz(15.0740, 17.3279, 37.6650)
Luminance	0.1733 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#347AA4 #A45E34

analogous

#34A496 #347AA4 #3442A4

triadic

#347AA4 #A4347A #7AA434

tetradic

#347AA4 #9634A4 #A45E34 #42A434

square

#347AA4 #9634A4 #A45E34 #42A434

split-complementary

#347AA4 #A43442 #A49634

monochromatic

#173547 #255776 #347AA4 #4E9AC7 #7DB4D6

Accessibility & contrast

On white

4.70

#347AA4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.47

#347AA4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #347AA4

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##347AA4	#FFFFFF	#000000	##FFFFFF
##347AA4	1.00	4.70	4.47	4.70
#FFFFFF	4.70	1.00	21.00	1.00
#000000	4.47	21.00	1.00	21.00
##FFFFFF	4.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#667AA6

Deuteranopia (green-blind)

#576FA3

Tritanopia (blue-blind)

#008588

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #347aa4;
/* rgb */ color: rgb(52, 122, 164);
/* oklch */ color: oklch(55.4% 0.096 238.3);

Tailwind

colors: {
  custom: {
    50: '#78a0bf',
    500: '#347aa4',
    950: '#000000',
  },
}

SCSS

$custom: #347aa4;
$custom-light: #78a0bf;
$custom-dark: #000000;

JSON

{
  "hex": "#347aa4",
  "rgb": {
    "r": 52,
    "g": 122,
    "b": 164
  },
  "hsl": {
    "h": 202.5,
    "s": 51.852,
    "l": 42.353
  },
  "oklch": {
    "l": 0.55374,
    "c": 0.09554,
    "h": 238.3
  },
  "luminance": 0.17329
}

Semantic roles & 50–950 ramp

primary

#347AA4

secondary

#BF9175

accent

#824CDB

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #347AA4

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

Preview Lab → · Contrast checker → · Palette generator →