#3178A0#3178A0

#3178A0 is a mid, moderate cyan. Relative luminance 0.166; OKLCH L 54.6% C 0.094 H 236.9°. Best body text is #FFFFFF at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#3178A0
RGB	rgb(49, 120, 160)
HSL	hsl(202, 53%, 41%)
HSV	hsv(202, 69%, 63%)
CMYK	cmyk(69.4%, 25%, 0%, 37.3%)
CIE-LAB	lab(47.78, -8.83, -27.95)
CIE-LCH	lch(47.78, 29.31, 252.48°)
OKLab	oklab(54.58% -0.0513 -0.0786)
OKLCH	oklch(54.58% 0.094 236.9)
XYZ	xyz(14.3258, 16.6224, 35.7043)
Luminance	0.1662 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3178A0 #A05931

analogous

#31A090 #3178A0 #3140A0

triadic

#3178A0 #A03178 #78A031

tetradic

#3178A0 #9031A0 #A05931 #40A031

square

#3178A0 #9031A0 #A05931 #40A031

split-complementary

#3178A0 #A03140 #A09031

monochromatic

#143242 #235571 #3178A0 #4799C7 #76B3D5

Accessibility & contrast

On white

4.86

#3178A0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.32

#3178A0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3178A0

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3178A0	#FFFFFF	#000000	##FFFFFF
##3178A0	1.00	4.86	4.32	4.86
#FFFFFF	4.86	1.00	21.00	1.00
#000000	4.32	21.00	1.00	21.00
##FFFFFF	4.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6577A2

Deuteranopia (green-blind)

#566D9F

Tritanopia (blue-blind)

#008286

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3178a0;
/* rgb */ color: rgb(49, 120, 160);
/* oklch */ color: oklch(54.6% 0.094 236.9);

Tailwind

colors: {
  custom: {
    50: '#769ebc',
    500: '#3178a0',
    950: '#000000',
  },
}

SCSS

$custom: #3178a0;
$custom-light: #769ebc;
$custom-dark: #000000;

JSON

{
  "hex": "#3178a0",
  "rgb": {
    "r": 49,
    "g": 120,
    "b": 160
  },
  "hsl": {
    "h": 201.622,
    "s": 53.11,
    "l": 40.98
  },
  "oklch": {
    "l": 0.54581,
    "c": 0.09389,
    "h": 236.9
  },
  "luminance": 0.16624
}

Semantic roles & 50–950 ramp

primary

#3178A0

secondary

#BD8C70

accent

#804BDD

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #3178A0

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

Preview Lab → · Contrast checker → · Palette generator →