#347FDB#347FDB

#347FDB is a mid, vivid cyan. Relative luminance 0.210; OKLCH L 59.7% C 0.159 H 255.4°. Best body text is #000000 at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#347FDB
RGB	rgb(52, 127, 219)
HSL	hsl(213, 70%, 53%)
HSV	hsv(213, 76%, 86%)
CMYK	cmyk(76.3%, 42%, 0%, 14.1%)
CIE-LAB	lab(52.97, 8.71, -53.63)
CIE-LCH	lch(52.97, 54.33, 279.22°)
OKLab	oklab(59.68% -0.0398 -0.1534)
OKLCH	oklch(59.68% 0.159 255.4)
XYZ	xyz(21.7870, 21.0207, 69.9133)
Luminance	0.2102 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#347FDB #DB9034

analogous

#34D2DB #347FDB #3C34DB

triadic

#347FDB #DB347F #7FDB34

tetradic

#347FDB #DB34D2 #DB9034 #34DB3C

square

#347FDB #DB34D2 #DB9034 #34DB3C

split-complementary

#347FDB #DB3C34 #D2DB34

monochromatic

#16457E #2061B2 #347FDB #68A0E4 #9CC1ED

Accessibility & contrast

On white

4.03

#347FDB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.20

#347FDB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #347FDB

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##347FDB	#FFFFFF	#000000	##000000
##347FDB	1.00	4.03	5.20	5.20
#FFFFFF	4.03	1.00	21.00	21.00
#000000	5.20	21.00	1.00	1.00
##000000	5.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5287DF

Deuteranopia (green-blind)

#3477D9

Tritanopia (blue-blind)

#0095A2

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #347fdb;
/* rgb */ color: rgb(52, 127, 219);
/* oklch */ color: oklch(59.7% 0.159 255.4);

Tailwind

colors: {
  custom: {
    50: '#82a3e7',
    500: '#347fdb',
    950: '#000000',
  },
}

SCSS

$custom: #347fdb;
$custom-light: #82a3e7;
$custom-dark: #000000;

JSON

{
  "hex": "#347fdb",
  "rgb": {
    "r": 52,
    "g": 127,
    "b": 219
  },
  "hsl": {
    "h": 213.054,
    "s": 69.874,
    "l": 53.137
  },
  "oklch": {
    "l": 0.59675,
    "c": 0.15853,
    "h": 255.4
  },
  "luminance": 0.21023
}

Semantic roles & 50–950 ramp

primary

#347FDB

secondary

#D9B991

accent

#9D3BED

background

#F8FAFE

surface

#F0F3FC

border

#CBCDD5

text

#0C0F16

muted

#7D7F84

Preview Lab

Preview with #347FDB

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

Preview Lab → · Contrast checker → · Palette generator →