#317DB8#317DB8

#317DB8 is a mid, moderate cyan. Relative luminance 0.188; OKLCH L 57.0% C 0.117 H 245.6°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#317DB8
RGB	rgb(49, 125, 184)
HSL	hsl(206, 58%, 46%)
HSV	hsv(206, 73%, 72%)
CMYK	cmyk(73.4%, 32.1%, 0%, 27.8%)
CIE-LAB	lab(50.43, -3.25, -37.74)
CIE-LCH	lch(50.43, 37.88, 265.09°)
OKLab	oklab(57.05% -0.0486 -0.107)
OKLCH	oklch(57.05% 0.118 245.6)
XYZ	xyz(17.2487, 18.7789, 48.0537)
Luminance	0.1878 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#317DB8 #B86C31

analogous

#31B8AF #317DB8 #313AB8

triadic

#317DB8 #B8317D #7DB831

tetradic

#317DB8 #AF31B8 #B86C31 #3AB831

square

#317DB8 #AF31B8 #B86C31 #3AB831

split-complementary

#317DB8 #B8313A #B8AF31

monochromatic

#173B57 #245C88 #317DB8 #559BD2 #85B7DE

Accessibility & contrast

On white

4.42

#317DB8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.76

#317DB8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #317DB8

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##317DB8	#FFFFFF	#000000	##000000
##317DB8	1.00	4.42	4.76	4.76
#FFFFFF	4.42	1.00	21.00	21.00
#000000	4.76	21.00	1.00	1.00
##000000	4.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#627FBB

Deuteranopia (green-blind)

#4F72B7

Tritanopia (blue-blind)

#008B92

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #317db8;
/* rgb */ color: rgb(49, 125, 184);
/* oklch */ color: oklch(57.0% 0.117 245.6);

Tailwind

colors: {
  custom: {
    50: '#7ba2cd',
    500: '#317db8',
    950: '#000000',
  },
}

SCSS

$custom: #317db8;
$custom-light: #7ba2cd;
$custom-dark: #000000;

JSON

{
  "hex": "#317db8",
  "rgb": {
    "r": 49,
    "g": 125,
    "b": 184
  },
  "hsl": {
    "h": 206.222,
    "s": 57.94,
    "l": 45.686
  },
  "oklch": {
    "l": 0.57048,
    "c": 0.1175,
    "h": 245.6
  },
  "luminance": 0.18781
}

Semantic roles & 50–950 ramp

primary

#317DB8

secondary

#C89E7D

accent

#8A47E1

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0F13

muted

#7C7E82

Preview Lab

Preview with #317DB8

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

Preview Lab → · Contrast checker → · Palette generator →