#3172B2#3172B2

#3172B2 is a mid, vivid cyan. Relative luminance 0.159; OKLCH L 54.1% C 0.120 H 250.7°. Best body text is #FFFFFF at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#3172B2
RGB	rgb(49, 114, 178)
HSL	hsl(210, 57%, 45%)
HSV	hsv(210, 72%, 70%)
CMYK	cmyk(72.5%, 36%, 0%, 30.2%)
CIE-LAB	lab(46.84, 1.21, -39.93)
CIE-LCH	lch(46.84, 39.95, 271.74°)
OKLab	oklab(54.13% -0.0396 -0.1135)
OKLCH	oklch(54.13% 0.12 250.7)
XYZ	xyz(15.3168, 15.9003, 44.3727)
Luminance	0.1590 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3172B2 #B27131

analogous

#31B2B1 #3172B2 #3132B2

triadic

#3172B2 #B23172 #72B231

tetradic

#3172B2 #B131B2 #B27131 #32B231

square

#3172B2 #B131B2 #B27131 #32B231

split-complementary

#3172B2 #B23132 #B2B131

monochromatic

#173552 #245382 #3172B2 #5191CF #81AFDC

Accessibility & contrast

On white

5.02

#3172B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.18

#3172B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3172B2

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3172B2	#FFFFFF	#000000	##FFFFFF
##3172B2	1.00	5.02	4.18	5.02
#FFFFFF	5.02	1.00	21.00	1.00
#000000	4.18	21.00	1.00	21.00
##FFFFFF	5.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5576B5

Deuteranopia (green-blind)

#426AB1

Tritanopia (blue-blind)

#008189

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #3172b2;
/* rgb */ color: rgb(49, 114, 178);
/* oklch */ color: oklch(54.1% 0.120 250.7);

Tailwind

colors: {
  custom: {
    50: '#799ac9',
    500: '#3172b2',
    950: '#000000',
  },
}

SCSS

$custom: #3172b2;
$custom-light: #799ac9;
$custom-dark: #000000;

JSON

{
  "hex": "#3172b2",
  "rgb": {
    "r": 49,
    "g": 114,
    "b": 178
  },
  "hsl": {
    "h": 209.767,
    "s": 56.828,
    "l": 44.51
  },
  "oklch": {
    "l": 0.54129,
    "c": 0.12025,
    "h": 250.7
  },
  "luminance": 0.15902
}

Semantic roles & 50–950 ramp

primary

#3172B2

secondary

#C59F79

accent

#9348E0

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #3172B2

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

Preview Lab → · Contrast checker → · Palette generator →