#317BC5#317BC5

#317BC5 is a mid, vivid cyan. Relative luminance 0.189; OKLCH L 57.3% C 0.135 H 251.4°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#317BC5
RGB	rgb(49, 123, 197)
HSL	hsl(210, 60%, 48%)
HSV	hsv(210, 75%, 77%)
CMYK	cmyk(75.1%, 37.6%, 0%, 22.7%)
CIE-LAB	lab(50.51, 2.69, -45.07)
CIE-LCH	lch(50.51, 45.15, 273.42°)
OKLab	oklab(57.33% -0.0431 -0.1284)
OKLCH	oklch(57.33% 0.135 251.4)
XYZ	xyz(18.4238, 18.8480, 55.4795)
Luminance	0.1885 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#317BC5 #C57B31

analogous

#31C5C5 #317BC5 #3131C5

triadic

#317BC5 #C5317B #7BC531

tetradic

#317BC5 #C531C5 #C57B31 #31C531

square

#317BC5 #C531C5 #C57B31 #31C531

split-complementary

#317BC5 #C53131 #C5C531

monochromatic

#193E63 #255C94 #317BC5 #5D9AD7 #8EB8E3

Accessibility & contrast

On white

4.40

#317BC5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#317BC5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #317BC5

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##317BC5	#FFFFFF	#000000	##000000
##317BC5	1.00	4.40	4.77	4.77
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.77	21.00	1.00	1.00
##000000	4.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5980C8

Deuteranopia (green-blind)

#4272C4

Tritanopia (blue-blind)

#008D96

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #317bc5;
/* rgb */ color: rgb(49, 123, 197);
/* oklch */ color: oklch(57.3% 0.135 251.4);

Tailwind

colors: {
  custom: {
    50: '#7da0d7',
    500: '#317bc5',
    950: '#000000',
  },
}

SCSS

$custom: #317bc5;
$custom-light: #7da0d7;
$custom-dark: #000000;

JSON

{
  "hex": "#317bc5",
  "rgb": {
    "r": 49,
    "g": 123,
    "b": 197
  },
  "hsl": {
    "h": 210,
    "s": 60.163,
    "l": 48.235
  },
  "oklch": {
    "l": 0.57331,
    "c": 0.13549,
    "h": 251.4
  },
  "luminance": 0.1885
}

Semantic roles & 50–950 ramp

primary

#317BC5

secondary

#CDA985

accent

#9444E3

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #317BC5

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

Preview Lab → · Contrast checker → · Palette generator →