#3170B8#3170B8

#3170B8 is a mid, vivid cyan. Relative luminance 0.157; OKLCH L 54.0% C 0.130 H 253.8°. Best body text is #FFFFFF at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#3170B8
RGB	rgb(49, 112, 184)
HSL	hsl(212, 58%, 46%)
HSV	hsv(212, 73%, 72%)
CMYK	cmyk(73.4%, 39.1%, 0%, 27.8%)
CIE-LAB	lab(46.58, 4.66, -43.83)
CIE-LCH	lch(46.58, 44.08, 276.07°)
OKLab	oklab(54.03% -0.0362 -0.125)
OKLCH	oklch(54.03% 0.13 253.8)
XYZ	xyz(15.7093, 15.7003, 47.5406)
Luminance	0.1570 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3170B8 #B87931

analogous

#31B3B8 #3170B8 #3531B8

triadic

#3170B8 #B83170 #70B831

tetradic

#3170B8 #B831B3 #B87931 #31B835

square

#3170B8 #B831B3 #B87931 #31B835

split-complementary

#3170B8 #B83531 #B3B831

monochromatic

#173557 #245388 #3170B8 #558FD2 #85AFDE

Accessibility & contrast

On white

5.07

#3170B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.14

#3170B8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3170B8

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3170B8	#FFFFFF	#000000	##FFFFFF
##3170B8	1.00	5.07	4.14	5.07
#FFFFFF	5.07	1.00	21.00	1.00
#000000	4.14	21.00	1.00	21.00
##FFFFFF	5.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E75BB

Deuteranopia (green-blind)

#3969B7

Tritanopia (blue-blind)

#00818B

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #3170b8;
/* rgb */ color: rgb(49, 112, 184);
/* oklch */ color: oklch(54.0% 0.130 253.8);

Tailwind

colors: {
  custom: {
    50: '#7b98ce',
    500: '#3170b8',
    950: '#000000',
  },
}

SCSS

$custom: #3170b8;
$custom-light: #7b98ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3170b8",
  "rgb": {
    "r": 49,
    "g": 112,
    "b": 184
  },
  "hsl": {
    "h": 212,
    "s": 57.94,
    "l": 45.686
  },
  "oklch": {
    "l": 0.54029,
    "c": 0.13013,
    "h": 253.8
  },
  "luminance": 0.15702
}

Semantic roles & 50–950 ramp

primary

#3170B8

secondary

#C8A57D

accent

#9947E1

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #3170B8

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

Preview Lab → · Contrast checker → · Palette generator →