#3171BE#3171BE

#3171BE is a mid, vivid cyan. Relative luminance 0.162; OKLCH L 54.6% C 0.137 H 254.9°. Best body text is #FFFFFF at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#3171BE
RGB	rgb(49, 113, 190)
HSL	hsl(213, 59%, 47%)
HSV	hsv(213, 74%, 75%)
CMYK	cmyk(74.2%, 40.5%, 0%, 25.5%)
CIE-LAB	lab(47.21, 6.26, -46.30)
CIE-LCH	lch(47.21, 46.72, 277.70°)
OKLab	oklab(54.63% -0.0357 -0.1322)
OKLCH	oklch(54.63% 0.137 254.9)
XYZ	xyz(16.4626, 16.1791, 50.9605)
Luminance	0.1618 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3171BE #BE7E31

analogous

#31B8BE #3171BE #3831BE

triadic

#3171BE #BE3171 #71BE31

tetradic

#3171BE #BE31B8 #BE7E31 #31BE38

square

#3171BE #BE31B8 #BE7E31 #31BE38

split-complementary

#3171BE #BE3831 #B8BE31

monochromatic

#18375D #24548D #3171BE #5890D4 #89B1E1

Accessibility & contrast

On white

4.96

#3171BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.24

#3171BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3171BE

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3171BE	#FFFFFF	#000000	##FFFFFF
##3171BE	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)

#4C77C1

Deuteranopia (green-blind)

#356ABC

Tritanopia (blue-blind)

#00838E

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #3171be;
/* rgb */ color: rgb(49, 113, 190);
/* oklch */ color: oklch(54.6% 0.137 254.9);

Tailwind

colors: {
  custom: {
    50: '#7c99d2',
    500: '#3171be',
    950: '#000000',
  },
}

SCSS

$custom: #3171be;
$custom-light: #7c99d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3171be",
  "rgb": {
    "r": 49,
    "g": 113,
    "b": 190
  },
  "hsl": {
    "h": 212.766,
    "s": 58.996,
    "l": 46.863
  },
  "oklch": {
    "l": 0.54629,
    "c": 0.13695,
    "h": 254.9
  },
  "luminance": 0.16181
}

Semantic roles & 50–950 ramp

primary

#3171BE

secondary

#CAA980

accent

#9B46E2

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #3171BE

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

Preview Lab → · Contrast checker → · Palette generator →