#3173AD#3173AD

#3173AD is a mid, moderate cyan. Relative luminance 0.159; OKLCH L 54.1% C 0.113 H 248.2°. Best body text is #FFFFFF at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#3173AD
RGB	rgb(49, 115, 173)
HSL	hsl(208, 56%, 44%)
HSV	hsv(208, 72%, 68%)
CMYK	cmyk(71.7%, 33.5%, 0%, 32.2%)
CIE-LAB	lab(46.88, -1.22, -36.96)
CIE-LCH	lch(46.88, 36.98, 268.11°)
OKLab	oklab(54.08% -0.042 -0.1048)
OKLCH	oklch(54.08% 0.113 248.2)
XYZ	xyz(14.9373, 15.9299, 41.8146)
Luminance	0.1593 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3173AD #AD6B31

analogous

#31ADA9 #3173AD #3135AD

triadic

#3173AD #AD3173 #73AD31

tetradic

#3173AD #A931AD #AD6B31 #35AD31

square

#3173AD #A931AD #AD6B31 #35AD31

split-complementary

#3173AD #AD3135 #ADA931

monochromatic

#16344E #23537D #3173AD #4E92CD #7EAFDA

Accessibility & contrast

On white

5.02

#3173AD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.19

#3173AD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3173AD

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3173AD	#FFFFFF	#000000	##FFFFFF
##3173AD	1.00	5.02	4.19	5.02
#FFFFFF	5.02	1.00	21.00	1.00
#000000	4.19	21.00	1.00	21.00
##FFFFFF	5.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5976AF

Deuteranopia (green-blind)

#476AAC

Tritanopia (blue-blind)

#008188

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #3173ad;
/* rgb */ color: rgb(49, 115, 173);
/* oklch */ color: oklch(54.1% 0.113 248.2);

Tailwind

colors: {
  custom: {
    50: '#789bc6',
    500: '#3173ad',
    950: '#000000',
  },
}

SCSS

$custom: #3173ad;
$custom-light: #789bc6;
$custom-dark: #000000;

JSON

{
  "hex": "#3173ad",
  "rgb": {
    "r": 49,
    "g": 115,
    "b": 173
  },
  "hsl": {
    "h": 208.065,
    "s": 55.856,
    "l": 43.529
  },
  "oklch": {
    "l": 0.54075,
    "c": 0.11293,
    "h": 248.2
  },
  "luminance": 0.15932
}

Semantic roles & 50–950 ramp

primary

#3173AD

secondary

#C39A77

accent

#8F49DF

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #3173AD

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

Preview Lab → · Contrast checker → · Palette generator →