#317DBE#317DBE

#317DBE is a mid, vivid cyan. Relative luminance 0.190; OKLCH L 57.4% C 0.125 H 247.9°. Best body text is #000000 at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#317DBE
RGB	rgb(49, 125, 190)
HSL	hsl(208, 59%, 47%)
HSV	hsv(208, 74%, 75%)
CMYK	cmyk(74.2%, 34.2%, 0%, 25.5%)
CIE-LAB	lab(50.73, -1.07, -40.71)
CIE-LCH	lch(50.73, 40.73, 268.49°)
OKLab	oklab(57.38% -0.0468 -0.1156)
OKLCH	oklch(57.38% 0.125 247.9)
XYZ	xyz(17.8910, 19.0359, 51.4366)
Luminance	0.1904 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#317DBE #BE7231

analogous

#31BEB9 #317DBE #3136BE

triadic

#317DBE #BE317D #7DBE31

tetradic

#317DBE #B931BE #BE7231 #36BE31

square

#317DBE #B931BE #BE7231 #36BE31

split-complementary

#317DBE #BE3136 #BEB931

monochromatic

#183D5D #245D8D #317DBE #589BD4 #89B8E1

Accessibility & contrast

On white

4.37

#317DBE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.81

#317DBE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #317DBE

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##317DBE	#FFFFFF	#000000	##000000
##317DBE	1.00	4.37	4.81	4.81
#FFFFFF	4.37	1.00	21.00	21.00
#000000	4.81	21.00	1.00	1.00
##000000	4.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F80C1

Deuteranopia (green-blind)

#4B73BD

Tritanopia (blue-blind)

#008D95

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #317dbe;
/* rgb */ color: rgb(49, 125, 190);
/* oklch */ color: oklch(57.4% 0.125 247.9);

Tailwind

colors: {
  custom: {
    50: '#7ca2d2',
    500: '#317dbe',
    950: '#000000',
  },
}

SCSS

$custom: #317dbe;
$custom-light: #7ca2d2;
$custom-dark: #000000;

JSON

{
  "hex": "#317dbe",
  "rgb": {
    "r": 49,
    "g": 125,
    "b": 190
  },
  "hsl": {
    "h": 207.66,
    "s": 58.996,
    "l": 46.863
  },
  "oklch": {
    "l": 0.57384,
    "c": 0.12478,
    "h": 247.9
  },
  "luminance": 0.19038
}

Semantic roles & 50–950 ramp

primary

#317DBE

secondary

#CAA380

accent

#8E46E2

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0F14

muted

#7C7E82

Preview Lab

Preview with #317DBE

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

Preview Lab → · Contrast checker → · Palette generator →