#3178C6#3178C6

#3178C6 is a mid, vivid cyan. Relative luminance 0.182; OKLCH L 56.7% C 0.140 H 253.3°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#3178C6
RGB	rgb(49, 120, 198)
HSL	hsl(211, 60%, 48%)
HSV	hsv(211, 75%, 78%)
CMYK	cmyk(75.3%, 39.4%, 0%, 22.4%)
CIE-LAB	lab(49.69, 4.90, -46.95)
CIE-LCH	lch(49.69, 47.20, 275.95°)
OKLab	oklab(56.71% -0.0402 -0.134)
OKLCH	oklch(56.71% 0.14 253.3)
XYZ	xyz(18.1723, 18.1610, 55.9628)
Luminance	0.1816 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3178C6 #C67F31

analogous

#31C2C6 #3178C6 #3431C6

triadic

#3178C6 #C63178 #78C631

tetradic

#3178C6 #C631C2 #C67F31 #31C634

square

#3178C6 #C631C2 #C67F31 #31C634

split-complementary

#3178C6 #C63431 #C2C631

monochromatic

#193D64 #255A95 #3178C6 #5D97D7 #8EB7E3

Accessibility & contrast

On white

4.53

#3178C6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.63

#3178C6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3178C6

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3178C6	#FFFFFF	#000000	##000000
##3178C6	1.00	4.53	4.63	4.63
#FFFFFF	4.53	1.00	21.00	21.00
#000000	4.63	21.00	1.00	1.00
##000000	4.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#537EC9

Deuteranopia (green-blind)

#3B70C4

Tritanopia (blue-blind)

#008A95

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3178c6;
/* rgb */ color: rgb(49, 120, 198);
/* oklch */ color: oklch(56.7% 0.140 253.3);

Tailwind

colors: {
  custom: {
    50: '#7d9ed8',
    500: '#3178c6',
    950: '#000000',
  },
}

SCSS

$custom: #3178c6;
$custom-light: #7d9ed8;
$custom-dark: #000000;

JSON

{
  "hex": "#3178c6",
  "rgb": {
    "r": 49,
    "g": 120,
    "b": 198
  },
  "hsl": {
    "h": 211.409,
    "s": 60.324,
    "l": 48.431
  },
  "oklch": {
    "l": 0.5671,
    "c": 0.13988,
    "h": 253.3
  },
  "luminance": 0.18163
}

Semantic roles & 50–950 ramp

primary

#3178C6

secondary

#CEAB85

accent

#9844E3

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #3178C6

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

Preview Lab → · Contrast checker → · Palette generator →