#317AB3#317AB3

#317AB3 is a mid, moderate cyan. Relative luminance 0.178; OKLCH L 56.1% C 0.114 H 245.6°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#317AB3
RGB	rgb(49, 122, 179)
HSL	hsl(206, 57%, 45%)
HSV	hsv(206, 73%, 70%)
CMYK	cmyk(72.6%, 31.8%, 0%, 29.8%)
CIE-LAB	lab(49.28, -3.26, -36.66)
CIE-LCH	lch(49.28, 36.80, 264.92°)
OKLab	oklab(56.06% -0.0472 -0.1039)
OKLCH	oklch(56.06% 0.114 245.6)
XYZ	xyz(16.3597, 17.8249, 45.2174)
Luminance	0.1783 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#317AB3 #B36A31

analogous

#31B3AB #317AB3 #3139B3

triadic

#317AB3 #B3317A #7AB331

tetradic

#317AB3 #AB31B3 #B36A31 #39B331

square

#317AB3 #AB31B3 #B36A31 #39B331

split-complementary

#317AB3 #B33139 #B3AB31

monochromatic

#173953 #245983 #317AB3 #5298D0 #82B5DD

Accessibility & contrast

On white

4.60

#317AB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.57

#317AB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #317AB3

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##317AB3	#FFFFFF	#000000	##FFFFFF
##317AB3	1.00	4.60	4.57	4.60
#FFFFFF	4.60	1.00	21.00	1.00
#000000	4.57	21.00	1.00	21.00
##FFFFFF	4.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#607CB5

Deuteranopia (green-blind)

#4E70B2

Tritanopia (blue-blind)

#00888E

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #317ab3;
/* rgb */ color: rgb(49, 122, 179);
/* oklch */ color: oklch(56.1% 0.114 245.6);

Tailwind

colors: {
  custom: {
    50: '#7aa0ca',
    500: '#317ab3',
    950: '#000000',
  },
}

SCSS

$custom: #317ab3;
$custom-light: #7aa0ca;
$custom-dark: #000000;

JSON

{
  "hex": "#317ab3",
  "rgb": {
    "r": 49,
    "g": 122,
    "b": 179
  },
  "hsl": {
    "h": 206.308,
    "s": 57.018,
    "l": 44.706
  },
  "oklch": {
    "l": 0.56064,
    "c": 0.11407,
    "h": 245.6
  },
  "luminance": 0.17827
}

Semantic roles & 50–950 ramp

primary

#317AB3

secondary

#C69B7A

accent

#8B48E0

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #317AB3

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

Preview Lab → · Contrast checker → · Palette generator →