#3178AF#3178AF

#3178AF is a mid, moderate cyan. Relative luminance 0.172; OKLCH L 55.4% C 0.111 H 245.3°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#3178AF
RGB	rgb(49, 120, 175)
HSL	hsl(206, 56%, 44%)
HSV	hsv(206, 72%, 69%)
CMYK	cmyk(72%, 31.4%, 0%, 31.4%)
CIE-LAB	lab(48.49, -3.51, -35.60)
CIE-LCH	lch(48.49, 35.77, 264.37°)
OKLab	oklab(55.37% -0.0464 -0.1008)
OKLCH	oklch(55.37% 0.111 245.3)
XYZ	xyz(15.7180, 17.1793, 43.0367)
Luminance	0.1718 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3178AF #AF6831

analogous

#31AFA7 #3178AF #3139AF

triadic

#3178AF #AF3178 #78AF31

tetradic

#3178AF #A731AF #AF6831 #39AF31

square

#3178AF #A731AF #AF6831 #39AF31

split-complementary

#3178AF #AF3139 #AFA731

monochromatic

#16364F #24577F #3178AF #4F97CE #7FB3DB

Accessibility & contrast

On white

4.73

#3178AF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#3178AF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3178AF

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3178AF	#FFFFFF	#000000	##FFFFFF
##3178AF	1.00	4.73	4.44	4.73
#FFFFFF	4.73	1.00	21.00	1.00
#000000	4.44	21.00	1.00	21.00
##FFFFFF	4.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F7AB1

Deuteranopia (green-blind)

#4E6EAE

Tritanopia (blue-blind)

#00858C

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3178af;
/* rgb */ color: rgb(49, 120, 175);
/* oklch */ color: oklch(55.4% 0.111 245.3);

Tailwind

colors: {
  custom: {
    50: '#799ec7',
    500: '#3178af',
    950: '#000000',
  },
}

SCSS

$custom: #3178af;
$custom-light: #799ec7;
$custom-dark: #000000;

JSON

{
  "hex": "#3178af",
  "rgb": {
    "r": 49,
    "g": 120,
    "b": 175
  },
  "hsl": {
    "h": 206.19,
    "s": 56.25,
    "l": 43.922
  },
  "oklch": {
    "l": 0.5537,
    "c": 0.11096,
    "h": 245.3
  },
  "luminance": 0.17181
}

Semantic roles & 50–950 ramp

primary

#3178AF

secondary

#C49978

accent

#8A48E0

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #3178AF

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

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