#3170B6#3170B6

#3170B6 is a mid, vivid cyan. Relative luminance 0.156; OKLCH L 53.9% C 0.128 H 253.3°. Best body text is #FFFFFF at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#3170B6
RGB	rgb(49, 112, 182)
HSL	hsl(212, 58%, 45%)
HSV	hsv(212, 73%, 71%)
CMYK	cmyk(73.1%, 38.5%, 0%, 28.6%)
CIE-LAB	lab(46.47, 3.92, -42.85)
CIE-LCH	lch(46.47, 43.03, 275.23°)
OKLab	oklab(53.91% -0.0367 -0.1221)
OKLCH	oklch(53.91% 0.128 253.3)
XYZ	xyz(15.5012, 15.6170, 46.4443)
Luminance	0.1562 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3170B6 #B67731

analogous

#31B2B6 #3170B6 #3431B6

triadic

#3170B6 #B63170 #70B631

tetradic

#3170B6 #B631B2 #B67731 #31B634

square

#3170B6 #B631B2 #B67731 #31B634

split-complementary

#3170B6 #B63431 #B2B631

monochromatic

#173556 #245286 #3170B6 #538FD1 #84AEDE

Accessibility & contrast

On white

5.09

#3170B6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.12

#3170B6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3170B6

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3170B6	#FFFFFF	#000000	##FFFFFF
##3170B6	1.00	5.09	4.12	5.09
#FFFFFF	5.09	1.00	21.00	1.00
#000000	4.12	21.00	1.00	21.00
##FFFFFF	5.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5075B9

Deuteranopia (green-blind)

#3B68B5

Tritanopia (blue-blind)

#00808A

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #3170b6;
/* rgb */ color: rgb(49, 112, 182);
/* oklch */ color: oklch(53.9% 0.128 253.3);

Tailwind

colors: {
  custom: {
    50: '#7a98cc',
    500: '#3170b6',
    950: '#000000',
  },
}

SCSS

$custom: #3170b6;
$custom-light: #7a98cc;
$custom-dark: #000000;

JSON

{
  "hex": "#3170b6",
  "rgb": {
    "r": 49,
    "g": 112,
    "b": 182
  },
  "hsl": {
    "h": 211.579,
    "s": 57.576,
    "l": 45.294
  },
  "oklch": {
    "l": 0.53906,
    "c": 0.1275,
    "h": 253.3
  },
  "luminance": 0.15619
}

Semantic roles & 50–950 ramp

primary

#3170B6

secondary

#C7A37C

accent

#9847E1

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #3170B6

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

Preview Lab → · Contrast checker → · Palette generator →