#3172B4#3172B4

#3172B4 is a mid, vivid cyan. Relative luminance 0.160; OKLCH L 54.2% C 0.123 H 251.4°. Best body text is #FFFFFF at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#3172B4
RGB	rgb(49, 114, 180)
HSL	hsl(210, 57%, 45%)
HSV	hsv(210, 73%, 71%)
CMYK	cmyk(72.8%, 36.7%, 0%, 29.4%)
CIE-LAB	lab(46.95, 1.95, -40.92)
CIE-LCH	lch(46.95, 40.97, 272.72°)
OKLab	oklab(54.25% -0.0391 -0.1164)
OKLCH	oklch(54.25% 0.123 251.4)
XYZ	xyz(15.5191, 15.9812, 45.4379)
Luminance	0.1598 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3172B4 #B47331

analogous

#31B3B4 #3172B4 #3231B4

triadic

#3172B4 #B43172 #72B431

tetradic

#3172B4 #B431B3 #B47331 #31B432

square

#3172B4 #B431B3 #B47331 #31B432

split-complementary

#3172B4 #B43231 #B3B431

monochromatic

#173554 #245484 #3172B4 #5291D0 #82AFDD

Accessibility & contrast

On white

5.00

#3172B4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.20

#3172B4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3172B4

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3172B4	#FFFFFF	#000000	##FFFFFF
##3172B4	1.00	5.00	4.20	5.00
#FFFFFF	5.00	1.00	21.00	1.00
#000000	4.20	21.00	1.00	21.00
##FFFFFF	5.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5476B7

Deuteranopia (green-blind)

#406AB3

Tritanopia (blue-blind)

#00828A

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #3172b4;
/* rgb */ color: rgb(49, 114, 180);
/* oklch */ color: oklch(54.2% 0.123 251.4);

Tailwind

colors: {
  custom: {
    50: '#7a9acb',
    500: '#3172b4',
    950: '#000000',
  },
}

SCSS

$custom: #3172b4;
$custom-light: #7a9acb;
$custom-dark: #000000;

JSON

{
  "hex": "#3172b4",
  "rgb": {
    "r": 49,
    "g": 114,
    "b": 180
  },
  "hsl": {
    "h": 210.229,
    "s": 57.205,
    "l": 44.902
  },
  "oklch": {
    "l": 0.54247,
    "c": 0.12283,
    "h": 251.4
  },
  "luminance": 0.15983
}

Semantic roles & 50–950 ramp

primary

#3172B4

secondary

#C6A17B

accent

#9447E0

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #3172B4

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

Preview Lab → · Contrast checker → · Palette generator →