#3173A1#3173A1

#3173A1 is a mid, moderate cyan. Relative luminance 0.155; OKLCH L 53.4% C 0.098 H 242.3°. Best body text is #FFFFFF at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#3173A1
RGB	rgb(49, 115, 161)
HSL	hsl(205, 53%, 41%)
HSV	hsv(205, 70%, 63%)
CMYK	cmyk(69.6%, 28.6%, 0%, 36.9%)
CIE-LAB	lab(46.29, -5.53, -30.86)
CIE-LCH	lch(46.29, 31.35, 259.84°)
OKLab	oklab(53.42% -0.0457 -0.0871)
OKLCH	oklch(53.42% 0.098 242.3)
XYZ	xyz(13.8279, 15.4862, 35.9717)
Luminance	0.1549 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3173A1 #A15F31

analogous

#31A197 #3173A1 #313BA1

triadic

#3173A1 #A13173 #73A131

tetradic

#3173A1 #9731A1 #A15F31 #3BA131

square

#3173A1 #9731A1 #A15F31 #3BA131

split-complementary

#3173A1 #A1313B #A19731

monochromatic

#143043 #235172 #3173A1 #4893C7 #77AFD6

Accessibility & contrast

On white

5.12

#3173A1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.10

#3173A1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3173A1

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3173A1	#FFFFFF	#000000	##FFFFFF
##3173A1	1.00	5.12	4.10	5.12
#FFFFFF	5.12	1.00	21.00	1.00
#000000	4.10	21.00	1.00	21.00
##FFFFFF	5.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E74A3

Deuteranopia (green-blind)

#4F69A0

Tritanopia (blue-blind)

#007E83

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #3173a1;
/* rgb */ color: rgb(49, 115, 161);
/* oklch */ color: oklch(53.4% 0.098 242.3);

Tailwind

colors: {
  custom: {
    50: '#769bbd',
    500: '#3173a1',
    950: '#000000',
  },
}

SCSS

$custom: #3173a1;
$custom-light: #769bbd;
$custom-dark: #000000;

JSON

{
  "hex": "#3173a1",
  "rgb": {
    "r": 49,
    "g": 115,
    "b": 161
  },
  "hsl": {
    "h": 204.643,
    "s": 53.333,
    "l": 41.176
  },
  "oklch": {
    "l": 0.53417,
    "c": 0.09836,
    "h": 242.3
  },
  "luminance": 0.15488
}

Semantic roles & 50–950 ramp

primary

#3173A1

secondary

#BE9070

accent

#874BDD

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #3173A1

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

Preview Lab → · Contrast checker → · Palette generator →