#317BA8#317BA8

#317BA8 is a mid, moderate cyan. Relative luminance 0.176; OKLCH L 55.7% C 0.101 H 239.1°. Best body text is #FFFFFF at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#317BA8
RGB	rgb(49, 123, 168)
HSL	hsl(203, 55%, 43%)
HSV	hsv(203, 71%, 66%)
CMYK	cmyk(70.8%, 26.8%, 0%, 34.1%)
CIE-LAB	lab(49.06, -7.77, -30.62)
CIE-LCH	lch(49.06, 31.59, 255.76°)
OKLab	oklab(55.72% -0.0517 -0.0863)
OKLCH	oklch(55.72% 0.101 239.1)
XYZ	xyz(15.4147, 17.6443, 39.6315)
Luminance	0.1765 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#317BA8 #A85E31

analogous

#31A89A #317BA8 #313FA8

triadic

#317BA8 #A8317B #7BA831

tetradic

#317BA8 #9A31A8 #A85E31 #3FA831

square

#317BA8 #9A31A8 #A85E31 #3FA831

split-complementary

#317BA8 #A8313F #A89A31

monochromatic

#153649 #235879 #317BA8 #4C9BCB #7BB5D8

Accessibility & contrast

On white

4.64

#317BA8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.53

#317BA8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #317BA8

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##317BA8	#FFFFFF	#000000	##FFFFFF
##317BA8	1.00	4.64	4.53	4.64
#FFFFFF	4.64	1.00	21.00	1.00
#000000	4.53	21.00	1.00	21.00
##FFFFFF	4.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#667BAA

Deuteranopia (green-blind)

#566FA7

Tritanopia (blue-blind)

#00868A

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #317ba8;
/* rgb */ color: rgb(49, 123, 168);
/* oklch */ color: oklch(55.7% 0.101 239.1);

Tailwind

colors: {
  custom: {
    50: '#78a1c2',
    500: '#317ba8',
    950: '#000000',
  },
}

SCSS

$custom: #317ba8;
$custom-light: #78a1c2;
$custom-dark: #000000;

JSON

{
  "hex": "#317ba8",
  "rgb": {
    "r": 49,
    "g": 123,
    "b": 168
  },
  "hsl": {
    "h": 202.689,
    "s": 54.839,
    "l": 42.549
  },
  "oklch": {
    "l": 0.55717,
    "c": 0.10062,
    "h": 239.1
  },
  "luminance": 0.17646
}

Semantic roles & 50–950 ramp

primary

#317BA8

secondary

#C19174

accent

#824ADE

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #317BA8

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

Preview Lab → · Contrast checker → · Palette generator →