#317AB2#317AB2

#317AB2 is a mid, moderate cyan. Relative luminance 0.178; OKLCH L 56.0% C 0.113 H 245.1°. Best body text is #FFFFFF at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#317AB2
RGB	rgb(49, 122, 178)
HSL	hsl(206, 57%, 45%)
HSV	hsv(206, 72%, 70%)
CMYK	cmyk(72.5%, 31.5%, 0%, 30.2%)
CIE-LAB	lab(49.23, -3.62, -36.16)
CIE-LCH	lch(49.23, 36.34, 264.28°)
OKLab	oklab(56.01% -0.0475 -0.1024)
OKLCH	oklch(56.01% 0.113 245.1)
XYZ	xyz(16.2590, 17.7846, 44.6867)
Luminance	0.1779 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#317AB2 #B26931

analogous

#31B2AA #317AB2 #3139B2

triadic

#317AB2 #B2317A #7AB231

tetradic

#317AB2 #AA31B2 #B26931 #39B231

square

#317AB2 #AA31B2 #B26931 #39B231

split-complementary

#317AB2 #B23139 #B2AA31

monochromatic

#173852 #245982 #317AB2 #5198CF #81B5DC

Accessibility & contrast

On white

4.61

#317AB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.56

#317AB2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #317AB2

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##317AB2	#FFFFFF	#000000	##FFFFFF
##317AB2	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)

#617CB4

Deuteranopia (green-blind)

#4F70B1

Tritanopia (blue-blind)

#00888E

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #317ab2;
/* rgb */ color: rgb(49, 122, 178);
/* oklch */ color: oklch(56.0% 0.113 245.1);

Tailwind

colors: {
  custom: {
    50: '#7aa0c9',
    500: '#317ab2',
    950: '#000000',
  },
}

SCSS

$custom: #317ab2;
$custom-light: #7aa0c9;
$custom-dark: #000000;

JSON

{
  "hex": "#317ab2",
  "rgb": {
    "r": 49,
    "g": 122,
    "b": 178
  },
  "hsl": {
    "h": 206.047,
    "s": 56.828,
    "l": 44.51
  },
  "oklch": {
    "l": 0.56009,
    "c": 0.11287,
    "h": 245.1
  },
  "luminance": 0.17786
}

Semantic roles & 50–950 ramp

primary

#317AB2

secondary

#C59A79

accent

#8A48E0

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #317AB2

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

Preview Lab → · Contrast checker → · Palette generator →