#347FB3#347FB3

#347FB3 is a mid, moderate cyan. Relative luminance 0.192; OKLCH L 57.3% C 0.109 H 242.4°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#347FB3
RGB	rgb(52, 127, 179)
HSL	hsl(205, 55%, 45%)
HSV	hsv(205, 71%, 70%)
CMYK	cmyk(70.9%, 29.1%, 0%, 29.8%)
CIE-LAB	lab(50.88, -5.78, -34.15)
CIE-LCH	lch(50.88, 34.64, 260.40°)
OKLab	oklab(57.35% -0.0503 -0.0965)
OKLCH	oklch(57.35% 0.109 242.4)
XYZ	xyz(17.1391, 19.1616, 45.4344)
Luminance	0.1916 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#347FB3 #B36834

analogous

#34B3A7 #347FB3 #3440B3

triadic

#347FB3 #B3347F #7FB334

tetradic

#347FB3 #A734B3 #B36834 #40B334

square

#347FB3 #A734B3 #B36834 #40B334

split-complementary

#347FB3 #B33440 #B3A734

monochromatic

#183C54 #265D84 #347FB3 #569DCE #86B8DC

Accessibility & contrast

On white

4.35

#347FB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.83

#347FB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #347FB3

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##347FB3	#FFFFFF	#000000	##000000
##347FB3	1.00	4.35	4.83	4.83
#FFFFFF	4.35	1.00	21.00	21.00
#000000	4.83	21.00	1.00	1.00
##000000	4.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6780B5

Deuteranopia (green-blind)

#5674B2

Tritanopia (blue-blind)

#008C91

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #347fb3;
/* rgb */ color: rgb(52, 127, 179);
/* oklch */ color: oklch(57.3% 0.109 242.4);

Tailwind

colors: {
  custom: {
    50: '#7ba3ca',
    500: '#347fb3',
    950: '#000000',
  },
}

SCSS

$custom: #347fb3;
$custom-light: #7ba3ca;
$custom-dark: #000000;

JSON

{
  "hex": "#347fb3",
  "rgb": {
    "r": 52,
    "g": 127,
    "b": 179
  },
  "hsl": {
    "h": 204.567,
    "s": 54.978,
    "l": 45.294
  },
  "oklch": {
    "l": 0.57348,
    "c": 0.10881,
    "h": 242.4
  },
  "luminance": 0.19163
}

Semantic roles & 50–950 ramp

primary

#347FB3

secondary

#C59B7D

accent

#8649DE

background

#F8FAFC

surface

#EFF3F8

border

#CACDD1

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #347FB3

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

Preview Lab → · Contrast checker → · Palette generator →