#317ED0#317ED0

#317ED0 is a mid, vivid cyan. Relative luminance 0.201; OKLCH L 58.7% C 0.146 H 252.9°. Best body text is #000000 at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#317ED0
RGB	rgb(49, 126, 208)
HSL	hsl(211, 63%, 50%)
HSV	hsv(211, 76%, 82%)
CMYK	cmyk(76.4%, 39.4%, 0%, 18.4%)
CIE-LAB	lab(51.98, 4.92, -49.00)
CIE-LCH	lch(51.98, 49.24, 275.73°)
OKLab	oklab(58.68% -0.0431 -0.1399)
OKLCH	oklch(58.68% 0.146 252.9)
XYZ	xyz(20.1084, 20.1264, 62.4873)
Luminance	0.2013 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#317ED0 #D08331

analogous

#31CED0 #317ED0 #3331D0

triadic

#317ED0 #D0317E #7ED031

tetradic

#317ED0 #D031CE #D08331 #31D033

square

#317ED0 #D031CE #D08331 #31D033

split-complementary

#317ED0 #D03331 #CED031

monochromatic

#19426E #24609F #317ED0 #639DDB #95BCE7

Accessibility & contrast

On white

4.18

#317ED0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.03

#317ED0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #317ED0

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##317ED0	#FFFFFF	#000000	##000000
##317ED0	1.00	4.18	5.03	5.03
#FFFFFF	4.18	1.00	21.00	21.00
#000000	5.03	21.00	1.00	1.00
##000000	5.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5784D3

Deuteranopia (green-blind)

#3D75CE

Tritanopia (blue-blind)

#00919D

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #317ed0;
/* rgb */ color: rgb(49, 126, 208);
/* oklch */ color: oklch(58.7% 0.146 252.9);

Tailwind

colors: {
  custom: {
    50: '#7fa2df',
    500: '#317ed0',
    950: '#000000',
  },
}

SCSS

$custom: #317ed0;
$custom-light: #7fa2df;
$custom-dark: #000000;

JSON

{
  "hex": "#317ed0",
  "rgb": {
    "r": 49,
    "g": 126,
    "b": 208
  },
  "hsl": {
    "h": 210.943,
    "s": 62.846,
    "l": 50.392
  },
  "oklch": {
    "l": 0.58676,
    "c": 0.1464,
    "h": 252.9
  },
  "luminance": 0.20129
}

Semantic roles & 50–950 ramp

primary

#317ED0

secondary

#D2B08B

accent

#9642E6

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0F15

muted

#7D7E83

Preview Lab

Preview with #317ED0

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

Preview Lab → · Contrast checker → · Palette generator →