#3173A3#3173A3

#3173A3 is a mid, moderate cyan. Relative luminance 0.156; OKLCH L 53.5% C 0.101 H 243.4°. Best body text is #FFFFFF at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#3173A3
RGB	rgb(49, 115, 163)
HSL	hsl(205, 54%, 42%)
HSV	hsv(205, 70%, 64%)
CMYK	cmyk(69.9%, 29.4%, 0%, 36.1%)
CIE-LAB	lab(46.39, -4.82, -31.88)
CIE-LCH	lch(46.39, 32.25, 261.40°)
OKLab	oklab(53.52% -0.0451 -0.09)
OKLCH	oklch(53.52% 0.101 243.4)
XYZ	xyz(14.0057, 15.5573, 36.9080)
Luminance	0.1556 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3173A3 #A36131

analogous

#31A39A #3173A3 #313AA3

triadic

#3173A3 #A33173 #73A331

tetradic

#3173A3 #9A31A3 #A36131 #3AA331

square

#3173A3 #9A31A3 #A36131 #3AA331

split-complementary

#3173A3 #A3313A #A39A31

monochromatic

#153145 #235274 #3173A3 #4993C8 #78AFD6

Accessibility & contrast

On white

5.11

#3173A3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.11

#3173A3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3173A3

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3173A3	#FFFFFF	#000000	##FFFFFF
##3173A3	1.00	5.11	4.11	5.11
#FFFFFF	5.11	1.00	21.00	1.00
#000000	4.11	21.00	1.00	21.00
##FFFFFF	5.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D74A5

Deuteranopia (green-blind)

#4E69A2

Tritanopia (blue-blind)

#007F84

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #3173a3;
/* rgb */ color: rgb(49, 115, 163);
/* oklch */ color: oklch(53.5% 0.101 243.4);

Tailwind

colors: {
  custom: {
    50: '#779bbe',
    500: '#3173a3',
    950: '#000000',
  },
}

SCSS

$custom: #3173a3;
$custom-light: #779bbe;
$custom-dark: #000000;

JSON

{
  "hex": "#3173a3",
  "rgb": {
    "r": 49,
    "g": 115,
    "b": 163
  },
  "hsl": {
    "h": 205.263,
    "s": 53.774,
    "l": 41.569
  },
  "oklch": {
    "l": 0.53523,
    "c": 0.10071,
    "h": 243.4
  },
  "luminance": 0.15559
}

Semantic roles & 50–950 ramp

primary

#3173A3

secondary

#BF9271

accent

#884BDD

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #3173A3

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

Preview Lab → · Contrast checker → · Palette generator →