#3173A4#3173A4

#3173A4 is a mid, moderate cyan. Relative luminance 0.156; OKLCH L 53.6% C 0.102 H 243.9°. Best body text is #FFFFFF at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#3173A4
RGB	rgb(49, 115, 164)
HSL	hsl(206, 54%, 42%)
HSV	hsv(206, 70%, 64%)
CMYK	cmyk(70.1%, 29.9%, 0%, 35.7%)
CIE-LAB	lab(46.44, -4.46, -32.39)
CIE-LCH	lch(46.44, 32.70, 262.15°)
OKLab	oklab(53.58% -0.0448 -0.0915)
OKLCH	oklch(53.58% 0.102 243.9)
XYZ	xyz(14.0956, 15.5932, 37.3817)
Luminance	0.1560 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3173A4 #A46231

analogous

#31A49C #3173A4 #313AA4

triadic

#3173A4 #A43173 #73A431

tetradic

#3173A4 #9C31A4 #A46231 #3AA431

square

#3173A4 #9C31A4 #A46231 #3AA431

split-complementary

#3173A4 #A4313A #A49C31

monochromatic

#153146 #235275 #3173A4 #4993C9 #79AFD7

Accessibility & contrast

On white

5.10

#3173A4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.12

#3173A4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3173A4

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3173A4	#FFFFFF	#000000	##FFFFFF
##3173A4	1.00	5.10	4.12	5.10
#FFFFFF	5.10	1.00	21.00	1.00
#000000	4.12	21.00	1.00	21.00
##FFFFFF	5.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D74A6

Deuteranopia (green-blind)

#4D69A3

Tritanopia (blue-blind)

#007F84

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #3173a4;
/* rgb */ color: rgb(49, 115, 164);
/* oklch */ color: oklch(53.6% 0.102 243.9);

Tailwind

colors: {
  custom: {
    50: '#779bbf',
    500: '#3173a4',
    950: '#000000',
  },
}

SCSS

$custom: #3173a4;
$custom-light: #779bbf;
$custom-dark: #000000;

JSON

{
  "hex": "#3173a4",
  "rgb": {
    "r": 49,
    "g": 115,
    "b": 164
  },
  "hsl": {
    "h": 205.565,
    "s": 53.991,
    "l": 41.765
  },
  "oklch": {
    "l": 0.53577,
    "c": 0.10189,
    "h": 243.9
  },
  "luminance": 0.15595
}

Semantic roles & 50–950 ramp

primary

#3173A4

secondary

#BF9372

accent

#894ADD

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #3173A4

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

Preview Lab → · Contrast checker → · Palette generator →