#3170B9#3170B9

#3170B9 is a mid, vivid cyan. Relative luminance 0.157; OKLCH L 54.1% C 0.131 H 254.1°. Best body text is #FFFFFF at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#3170B9
RGB	rgb(49, 112, 185)
HSL	hsl(212, 58%, 46%)
HSV	hsv(212, 74%, 73%)
CMYK	cmyk(73.5%, 39.5%, 0%, 27.5%)
CIE-LAB	lab(46.63, 5.03, -44.32)
CIE-LCH	lch(46.63, 44.61, 276.47°)
OKLab	oklab(54.09% -0.036 -0.1264)
OKLCH	oklch(54.09% 0.131 254.1)
XYZ	xyz(15.8145, 15.7423, 48.0946)
Luminance	0.1574 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3170B9 #B97A31

analogous

#31B4B9 #3170B9 #3631B9

triadic

#3170B9 #B93170 #70B931

tetradic

#3170B9 #B931B4 #B97A31 #31B936

square

#3170B9 #B931B4 #B97A31 #31B936

split-complementary

#3170B9 #B93631 #B4B931

monochromatic

#173558 #245389 #3170B9 #558FD2 #86AFDF

Accessibility & contrast

On white

5.06

#3170B9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.15

#3170B9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3170B9

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3170B9	#FFFFFF	#000000	##FFFFFF
##3170B9	1.00	5.06	4.15	5.06
#FFFFFF	5.06	1.00	21.00	1.00
#000000	4.15	21.00	1.00	21.00
##FFFFFF	5.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E75BC

Deuteranopia (green-blind)

#3869B8

Tritanopia (blue-blind)

#00818B

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #3170b9;
/* rgb */ color: rgb(49, 112, 185);
/* oklch */ color: oklch(54.1% 0.131 254.1);

Tailwind

colors: {
  custom: {
    50: '#7b98ce',
    500: '#3170b9',
    950: '#000000',
  },
}

SCSS

$custom: #3170b9;
$custom-light: #7b98ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3170b9",
  "rgb": {
    "r": 49,
    "g": 112,
    "b": 185
  },
  "hsl": {
    "h": 212.206,
    "s": 58.12,
    "l": 45.882
  },
  "oklch": {
    "l": 0.5409,
    "c": 0.13145,
    "h": 254.1
  },
  "luminance": 0.15744
}

Semantic roles & 50–950 ramp

primary

#3170B9

secondary

#C8A67D

accent

#9A46E1

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #3170B9

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

Preview Lab → · Contrast checker → · Palette generator →