#3170B7#3170B7

#3170B7 is a mid, vivid cyan. Relative luminance 0.157; OKLCH L 54.0% C 0.129 H 253.6°. Best body text is #FFFFFF at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#3170B7
RGB	rgb(49, 112, 183)
HSL	hsl(212, 58%, 45%)
HSV	hsv(212, 73%, 72%)
CMYK	cmyk(73.2%, 38.8%, 0%, 28.2%)
CIE-LAB	lab(46.52, 4.29, -43.34)
CIE-LCH	lch(46.52, 43.55, 275.65°)
OKLab	oklab(53.97% -0.0365 -0.1235)
OKLCH	oklch(53.97% 0.129 253.6)
XYZ	xyz(15.6049, 15.6585, 46.9905)
Luminance	0.1566 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3170B7 #B77831

analogous

#31B3B7 #3170B7 #3531B7

triadic

#3170B7 #B73170 #70B731

tetradic

#3170B7 #B731B3 #B77831 #31B735

square

#3170B7 #B731B3 #B77831 #31B735

split-complementary

#3170B7 #B73531 #B3B731

monochromatic

#173556 #245287 #3170B7 #548FD1 #84AFDE

Accessibility & contrast

On white

5.08

#3170B7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.13

#3170B7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3170B7

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3170B7	#FFFFFF	#000000	##FFFFFF
##3170B7	1.00	5.08	4.13	5.08
#FFFFFF	5.08	1.00	21.00	1.00
#000000	4.13	21.00	1.00	21.00
##FFFFFF	5.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F75BA

Deuteranopia (green-blind)

#3A69B6

Tritanopia (blue-blind)

#00818A

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #3170b7;
/* rgb */ color: rgb(49, 112, 183);
/* oklch */ color: oklch(54.0% 0.129 253.6);

Tailwind

colors: {
  custom: {
    50: '#7a98cd',
    500: '#3170b7',
    950: '#000000',
  },
}

SCSS

$custom: #3170b7;
$custom-light: #7a98cd;
$custom-dark: #000000;

JSON

{
  "hex": "#3170b7",
  "rgb": {
    "r": 49,
    "g": 112,
    "b": 183
  },
  "hsl": {
    "h": 211.791,
    "s": 57.759,
    "l": 45.49
  },
  "oklch": {
    "l": 0.53967,
    "c": 0.12881,
    "h": 253.6
  },
  "luminance": 0.1566
}

Semantic roles & 50–950 ramp

primary

#3170B7

secondary

#C8A47C

accent

#9947E1

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #3170B7

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

Preview Lab → · Contrast checker → · Palette generator →