#347F9B#347F9B

#347F9B is a mid, moderate cyan. Relative luminance 0.183; OKLCH L 56.2% C 0.085 H 226.0°. Best body text is #000000 at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#347F9B
RGB	rgb(52, 127, 155)
HSL	hsl(196, 50%, 41%)
HSV	hsv(196, 66%, 61%)
CMYK	cmyk(66.5%, 18.1%, 0%, 39.2%)
CIE-LAB	lab(49.83, -14.02, -21.85)
CIE-LCH	lch(49.83, 25.96, 237.32°)
OKLab	oklab(56.17% -0.0589 -0.061)
OKLCH	oklch(56.17% 0.085 226)
XYZ	xyz(14.9196, 18.2738, 33.7449)
Luminance	0.1827 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#347F9B #9B5034

analogous

#349B83 #347F9B #344B9B

triadic

#347F9B #9B347F #7F9B34

tetradic

#347F9B #83349B #9B5034 #4B9B34

square

#347F9B #83349B #9B5034 #4B9B34

split-complementary

#347F9B #9B344B #9B8334

monochromatic

#15343F #25596D #347F9B #4AA2C2 #78B9D2

Accessibility & contrast

On white

4.51

#347F9B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.66

#347F9B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #347F9B

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##347F9B	#FFFFFF	#000000	##000000
##347F9B	1.00	4.51	4.66	4.66
#FFFFFF	4.51	1.00	21.00	21.00
#000000	4.66	21.00	1.00	1.00
##000000	4.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#707D9C

Deuteranopia (green-blind)

#61729B

Tritanopia (blue-blind)

#008788

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #347f9b;
/* rgb */ color: rgb(52, 127, 155);
/* oklch */ color: oklch(56.2% 0.085 226.0);

Tailwind

colors: {
  custom: {
    50: '#77a4b8',
    500: '#347f9b',
    950: '#000000',
  },
}

SCSS

$custom: #347f9b;
$custom-light: #77a4b8;
$custom-dark: #000000;

JSON

{
  "hex": "#347f9b",
  "rgb": {
    "r": 52,
    "g": 127,
    "b": 155
  },
  "hsl": {
    "h": 196.311,
    "s": 49.758,
    "l": 40.588
  },
  "oklch": {
    "l": 0.56168,
    "c": 0.0848,
    "h": 226
  },
  "luminance": 0.18275
}

Semantic roles & 50–950 ramp

primary

#347F9B

secondary

#BA8571

accent

#744FD9

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#0A0F11

muted

#7C7F80

Preview Lab

Preview with #347F9B

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

Preview Lab → · Contrast checker → · Palette generator →