#317BAC#317BAC

#317BAC is a mid, moderate cyan. Relative luminance 0.178; OKLCH L 55.9% C 0.105 H 241.4°. Best body text is #FFFFFF at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#317BAC
RGB	rgb(49, 123, 172)
HSL	hsl(204, 56%, 43%)
HSV	hsv(204, 72%, 67%)
CMYK	cmyk(71.5%, 28.5%, 0%, 32.5%)
CIE-LAB	lab(49.25, -6.36, -32.66)
CIE-LCH	lch(49.25, 33.27, 258.99°)
OKLab	oklab(55.93% -0.0504 -0.0922)
OKLCH	oklch(55.93% 0.105 241.4)
XYZ	xyz(15.7931, 17.7957, 41.6243)
Luminance	0.1780 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#317BAC #AC6231

analogous

#31AC9F #317BAC #313EAC

triadic

#317BAC #AC317B #7BAC31

tetradic

#317BAC #9F31AC #AC6231 #3EAC31

square

#317BAC #9F31AC #AC6231 #3EAC31

split-complementary

#317BAC #AC313E #AC9F31

monochromatic

#16374D #23597C #317BAC #4E9ACC #7DB5DA

Accessibility & contrast

On white

4.61

#317BAC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.56

#317BAC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #317BAC

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##317BAC	#FFFFFF	#000000	##FFFFFF
##317BAC	1.00	4.61	4.56	4.61
#FFFFFF	4.61	1.00	21.00	1.00
#000000	4.56	21.00	1.00	21.00
##FFFFFF	4.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#647CAE

Deuteranopia (green-blind)

#5470AB

Tritanopia (blue-blind)

#00878C

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #317bac;
/* rgb */ color: rgb(49, 123, 172);
/* oklch */ color: oklch(55.9% 0.105 241.4);

Tailwind

colors: {
  custom: {
    50: '#79a1c5',
    500: '#317bac',
    950: '#000000',
  },
}

SCSS

$custom: #317bac;
$custom-light: #79a1c5;
$custom-dark: #000000;

JSON

{
  "hex": "#317bac",
  "rgb": {
    "r": 49,
    "g": 123,
    "b": 172
  },
  "hsl": {
    "h": 203.902,
    "s": 55.656,
    "l": 43.333
  },
  "oklch": {
    "l": 0.55925,
    "c": 0.10507,
    "h": 241.4
  },
  "luminance": 0.17797
}

Semantic roles & 50–950 ramp

primary

#317BAC

secondary

#C39576

accent

#8549DF

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #317BAC

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

Preview Lab → · Contrast checker → · Palette generator →