#317AB4#317AB4

#317AB4 is a mid, moderate cyan. Relative luminance 0.179; OKLCH L 56.1% C 0.115 H 246.0°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#317AB4
RGB	rgb(49, 122, 180)
HSL	hsl(207, 57%, 45%)
HSV	hsv(207, 73%, 71%)
CMYK	cmyk(72.8%, 32.2%, 0%, 29.4%)
CIE-LAB	lab(49.33, -2.90, -37.16)
CIE-LCH	lch(49.33, 37.27, 265.54°)
OKLab	oklab(56.12% -0.0469 -0.1053)
OKLCH	oklch(56.12% 0.115 246)
XYZ	xyz(16.4612, 17.8655, 45.7520)
Luminance	0.1787 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#317AB4 #B46B31

analogous

#31B4AD #317AB4 #3139B4

triadic

#317AB4 #B4317A #7AB431

tetradic

#317AB4 #AD31B4 #B46B31 #39B431

square

#317AB4 #AD31B4 #B46B31 #39B431

split-complementary

#317AB4 #B43139 #B4AD31

monochromatic

#173954 #245984 #317AB4 #5298D0 #82B5DD

Accessibility & contrast

On white

4.59

#317AB4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.57

#317AB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #317AB4

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##317AB4	#FFFFFF	#000000	##FFFFFF
##317AB4	1.00	4.59	4.57	4.59
#FFFFFF	4.59	1.00	21.00	1.00
#000000	4.57	21.00	1.00	21.00
##FFFFFF	4.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#607CB7

Deuteranopia (green-blind)

#4D70B3

Tritanopia (blue-blind)

#00888F

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #317ab4;
/* rgb */ color: rgb(49, 122, 180);
/* oklch */ color: oklch(56.1% 0.115 246.0);

Tailwind

colors: {
  custom: {
    50: '#7aa0ca',
    500: '#317ab4',
    950: '#000000',
  },
}

SCSS

$custom: #317ab4;
$custom-light: #7aa0ca;
$custom-dark: #000000;

JSON

{
  "hex": "#317ab4",
  "rgb": {
    "r": 49,
    "g": 122,
    "b": 180
  },
  "hsl": {
    "h": 206.565,
    "s": 57.205,
    "l": 44.902
  },
  "oklch": {
    "l": 0.5612,
    "c": 0.11527,
    "h": 246
  },
  "luminance": 0.17867
}

Semantic roles & 50–950 ramp

primary

#317AB4

secondary

#C69C7B

accent

#8B47E0

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #317AB4

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

Preview Lab → · Contrast checker → · Palette generator →