#3172B7#3172B7

#3172B7 is a mid, vivid cyan. Relative luminance 0.161; OKLCH L 54.4% C 0.127 H 252.4°. Best body text is #FFFFFF at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#3172B7
RGB	rgb(49, 114, 183)
HSL	hsl(211, 58%, 45%)
HSV	hsv(211, 73%, 72%)
CMYK	cmyk(73.2%, 37.7%, 0%, 28.2%)
CIE-LAB	lab(47.11, 3.05, -42.41)
CIE-LCH	lch(47.11, 42.52, 274.12°)
OKLab	oklab(54.43% -0.0383 -0.1208)
OKLCH	oklch(54.43% 0.127 252.4)
XYZ	xyz(15.8280, 16.1047, 47.0649)
Luminance	0.1611 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3172B7 #B77631

analogous

#31B5B7 #3172B7 #3331B7

triadic

#3172B7 #B73172 #72B731

tetradic

#3172B7 #B731B5 #B77631 #31B733

square

#3172B7 #B731B5 #B77631 #31B733

split-complementary

#3172B7 #B73331 #B5B731

monochromatic

#173656 #245487 #3172B7 #5491D1 #84B0DE

Accessibility & contrast

On white

4.97

#3172B7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.22

#3172B7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3172B7

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3172B7	#FFFFFF	#000000	##FFFFFF
##3172B7	1.00	4.97	4.22	4.97
#FFFFFF	4.97	1.00	21.00	1.00
#000000	4.22	21.00	1.00	21.00
##FFFFFF	4.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5276BA

Deuteranopia (green-blind)

#3E6AB6

Tritanopia (blue-blind)

#00828C

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #3172b7;
/* rgb */ color: rgb(49, 114, 183);
/* oklch */ color: oklch(54.4% 0.127 252.4);

Tailwind

colors: {
  custom: {
    50: '#7a9acd',
    500: '#3172b7',
    950: '#000000',
  },
}

SCSS

$custom: #3172b7;
$custom-light: #7a9acd;
$custom-dark: #000000;

JSON

{
  "hex": "#3172b7",
  "rgb": {
    "r": 49,
    "g": 114,
    "b": 183
  },
  "hsl": {
    "h": 210.896,
    "s": 57.759,
    "l": 45.49
  },
  "oklch": {
    "l": 0.54427,
    "c": 0.12671,
    "h": 252.4
  },
  "luminance": 0.16106
}

Semantic roles & 50–950 ramp

primary

#3172B7

secondary

#C8A37C

accent

#9647E1

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #3172B7

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

Preview Lab → · Contrast checker → · Palette generator →