#317CDB#317CDB

#317CDB is a mid, vivid cyan. Relative luminance 0.202; OKLCH L 58.9% C 0.163 H 256.1°. Best body text is #000000 at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#317CDB
RGB	rgb(49, 124, 219)
HSL	hsl(214, 70%, 53%)
HSV	hsv(214, 78%, 86%)
CMYK	cmyk(77.6%, 43.4%, 0%, 14.1%)
CIE-LAB	lab(52.04, 10.22, -55.12)
CIE-LCH	lch(52.04, 56.06, 280.50°)
OKLab	oklab(58.93% -0.0391 -0.1579)
OKLCH	oklch(58.93% 0.163 256.1)
XYZ	xyz(21.2557, 20.1802, 69.7790)
Luminance	0.2018 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#317CDB #DB9031

analogous

#31D1DB #317CDB #3B31DB

triadic

#317CDB #DB317C #7CDB31

tetradic

#317CDB #DB31D1 #DB9031 #31DB3B

square

#317CDB #DB31D1 #DB9031 #31DB3B

split-complementary

#317CDB #DB3B31 #D1DB31

monochromatic

#16437C #1F5FB0 #317CDB #659DE4 #99BEED

Accessibility & contrast

On white

4.17

#317CDB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.04

#317CDB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #317CDB

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##317CDB	#FFFFFF	#000000	##000000
##317CDB	1.00	4.17	5.04	5.04
#FFFFFF	4.17	1.00	21.00	21.00
#000000	5.04	21.00	1.00	1.00
##000000	5.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C84DF

Deuteranopia (green-blind)

#2A75D9

Tritanopia (blue-blind)

#0093A1

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #317cdb;
/* rgb */ color: rgb(49, 124, 219);
/* oklch */ color: oklch(58.9% 0.163 256.1);

Tailwind

colors: {
  custom: {
    50: '#81a1e7',
    500: '#317cdb',
    950: '#000000',
  },
}

SCSS

$custom: #317cdb;
$custom-light: #81a1e7;
$custom-dark: #000000;

JSON

{
  "hex": "#317cdb",
  "rgb": {
    "r": 49,
    "g": 124,
    "b": 219
  },
  "hsl": {
    "h": 213.529,
    "s": 70.248,
    "l": 52.549
  },
  "oklch": {
    "l": 0.58927,
    "c": 0.16269,
    "h": 256.1
  },
  "luminance": 0.20183
}

Semantic roles & 50–950 ramp

primary

#317CDB

secondary

#D9B88F

accent

#9E3BED

background

#F8F9FE

surface

#F0F2FC

border

#CBCCD5

text

#0C0E16

muted

#7D7E84

Preview Lab

Preview with #317CDB

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

Preview Lab → · Contrast checker → · Palette generator →