#3172B9#3172B9

#3172B9 is a mid, vivid cyan. Relative luminance 0.162; OKLCH L 54.5% C 0.129 H 253.0°. Best body text is #FFFFFF at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#3172B9
RGB	rgb(49, 114, 185)
HSL	hsl(211, 58%, 46%)
HSV	hsv(211, 74%, 73%)
CMYK	cmyk(73.5%, 38.4%, 0%, 27.5%)
CIE-LAB	lab(47.22, 3.79, -43.39)
CIE-LCH	lch(47.22, 43.56, 274.99°)
OKLab	oklab(54.55% -0.0378 -0.1237)
OKLCH	oklch(54.55% 0.129 253)
XYZ	xyz(16.0376, 16.1886, 48.1690)
Luminance	0.1619 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3172B9 #B97831

analogous

#31B6B9 #3172B9 #3431B9

triadic

#3172B9 #B93172 #72B931

tetradic

#3172B9 #B931B6 #B97831 #31B934

square

#3172B9 #B931B6 #B97831 #31B934

split-complementary

#3172B9 #B93431 #B6B931

monochromatic

#173658 #245489 #3172B9 #5591D2 #86B0DF

Accessibility & contrast

On white

4.96

#3172B9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.24

#3172B9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3172B9

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3172B9	#FFFFFF	#000000	##FFFFFF
##3172B9	1.00	4.96	4.24	4.96
#FFFFFF	4.96	1.00	21.00	1.00
#000000	4.24	21.00	1.00	21.00
##FFFFFF	4.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5177BC

Deuteranopia (green-blind)

#3C6AB8

Tritanopia (blue-blind)

#00838C

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #3172b9;
/* rgb */ color: rgb(49, 114, 185);
/* oklch */ color: oklch(54.5% 0.129 253.0);

Tailwind

colors: {
  custom: {
    50: '#7b9ace',
    500: '#3172b9',
    950: '#000000',
  },
}

SCSS

$custom: #3172b9;
$custom-light: #7b9ace;
$custom-dark: #000000;

JSON

{
  "hex": "#3172b9",
  "rgb": {
    "r": 49,
    "g": 114,
    "b": 185
  },
  "hsl": {
    "h": 211.324,
    "s": 58.12,
    "l": 45.882
  },
  "oklch": {
    "l": 0.54548,
    "c": 0.12932,
    "h": 253
  },
  "luminance": 0.1619
}

Semantic roles & 50–950 ramp

primary

#3172B9

secondary

#C8A57D

accent

#9746E1

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3172B9

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

Preview Lab → · Contrast checker → · Palette generator →