#317BBC#317BBC

#317BBC is a mid, vivid cyan. Relative luminance 0.184; OKLCH L 56.8% C 0.124 H 248.5°. Best body text is #000000 at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#317BBC
RGB	rgb(49, 123, 188)
HSL	hsl(208, 59%, 46%)
HSV	hsv(208, 74%, 74%)
CMYK	cmyk(73.9%, 34.6%, 0%, 26.3%)
CIE-LAB	lab(50.03, -0.60, -40.66)
CIE-LCH	lch(50.03, 40.67, 269.15°)
OKLab	oklab(56.81% -0.0455 -0.1155)
OKLCH	oklch(56.81% 0.124 248.5)
XYZ	xyz(17.4232, 18.4477, 50.2097)
Luminance	0.1845 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#317BBC #BC7231

analogous

#31BCB8 #317BBC #3135BC

triadic

#317BBC #BC317B #7BBC31

tetradic

#317BBC #B831BC #BC7231 #35BC31

square

#317BBC #B831BC #BC7231 #35BC31

split-complementary

#317BBC #BC3135 #BCB831

monochromatic

#183B5B #245B8B #317BBC #5799D3 #88B7E0

Accessibility & contrast

On white

4.48

#317BBC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.69

#317BBC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #317BBC

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##317BBC	#FFFFFF	#000000	##000000
##317BBC	1.00	4.48	4.69	4.69
#FFFFFF	4.48	1.00	21.00	21.00
#000000	4.69	21.00	1.00	1.00
##000000	4.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D7EBF

Deuteranopia (green-blind)

#4971BB

Tritanopia (blue-blind)

#008B93

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #317bbc;
/* rgb */ color: rgb(49, 123, 188);
/* oklch */ color: oklch(56.8% 0.124 248.5);

Tailwind

colors: {
  custom: {
    50: '#7ba0d0',
    500: '#317bbc',
    950: '#000000',
  },
}

SCSS

$custom: #317bbc;
$custom-light: #7ba0d0;
$custom-dark: #000000;

JSON

{
  "hex": "#317bbc",
  "rgb": {
    "r": 49,
    "g": 123,
    "b": 188
  },
  "hsl": {
    "h": 208.058,
    "s": 58.65,
    "l": 46.471
  },
  "oklch": {
    "l": 0.56805,
    "c": 0.12417,
    "h": 248.5
  },
  "luminance": 0.1845
}

Semantic roles & 50–950 ramp

primary

#317BBC

secondary

#CAA27F

accent

#8F46E2

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #317BBC

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

Preview Lab → · Contrast checker → · Palette generator →