#317AAB#317AAB

#317AAB is a mid, moderate cyan. Relative luminance 0.175; OKLCH L 55.6% C 0.105 H 241.7°. Best body text is #FFFFFF at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#317AAB
RGB	rgb(49, 122, 171)
HSL	hsl(204, 55%, 43%)
HSV	hsv(204, 71%, 67%)
CMYK	cmyk(71.3%, 28.7%, 0%, 32.9%)
CIE-LAB	lab(48.90, -6.12, -32.63)
CIE-LCH	lch(48.90, 33.19, 259.37°)
OKLab	oklab(55.63% -0.0497 -0.0921)
OKLCH	oklch(55.63% 0.105 241.7)
XYZ	xyz(15.5740, 17.5106, 41.0793)
Luminance	0.1751 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#317AAB #AB6231

analogous

#31AB9F #317AAB #313DAB

triadic

#317AAB #AB317A #7AAB31

tetradic

#317AAB #9F31AB #AB6231 #3DAB31

square

#317AAB #9F31AB #AB6231 #3DAB31

split-complementary

#317AAB #AB313D #AB9F31

monochromatic

#16364C #23587B #317AAB #4D99CC #7DB4DA

Accessibility & contrast

On white

4.66

#317AAB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.50

#317AAB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #317AAB

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##317AAB	#FFFFFF	#000000	##FFFFFF
##317AAB	1.00	4.66	4.50	4.66
#FFFFFF	4.66	1.00	21.00	1.00
#000000	4.50	21.00	1.00	21.00
##FFFFFF	4.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#637BAD

Deuteranopia (green-blind)

#536FAA

Tritanopia (blue-blind)

#00868B

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #317aab;
/* rgb */ color: rgb(49, 122, 171);
/* oklch */ color: oklch(55.6% 0.105 241.7);

Tailwind

colors: {
  custom: {
    50: '#78a0c4',
    500: '#317aab',
    950: '#000000',
  },
}

SCSS

$custom: #317aab;
$custom-light: #78a0c4;
$custom-dark: #000000;

JSON

{
  "hex": "#317aab",
  "rgb": {
    "r": 49,
    "g": 122,
    "b": 171
  },
  "hsl": {
    "h": 204.098,
    "s": 55.455,
    "l": 43.137
  },
  "oklch": {
    "l": 0.55633,
    "c": 0.10467,
    "h": 241.7
  },
  "luminance": 0.17512
}

Semantic roles & 50–950 ramp

primary

#317AAB

secondary

#C29475

accent

#8549DF

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #317AAB

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

Preview Lab → · Contrast checker → · Palette generator →