#3174B8#3174B8

#3174B8 is a mid, vivid cyan. Relative luminance 0.166; OKLCH L 54.9% C 0.126 H 251.5°. Best body text is #FFFFFF at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#3174B8
RGB	rgb(49, 116, 184)
HSL	hsl(210, 58%, 46%)
HSV	hsv(210, 73%, 72%)
CMYK	cmyk(73.4%, 37%, 0%, 27.8%)
CIE-LAB	lab(47.76, 2.19, -41.96)
CIE-LCH	lch(47.76, 42.02, 272.99°)
OKLab	oklab(54.95% -0.04 -0.1194)
OKLCH	oklch(54.95% 0.126 251.5)
XYZ	xyz(16.1605, 16.6026, 47.6910)
Luminance	0.1660 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3174B8 #B87531

analogous

#31B7B8 #3174B8 #3131B8

triadic

#3174B8 #B83174 #74B831

tetradic

#3174B8 #B831B7 #B87531 #31B831

square

#3174B8 #B831B7 #B87531 #31B831

split-complementary

#3174B8 #B83131 #B7B831

monochromatic

#173757 #245688 #3174B8 #5593D2 #85B1DE

Accessibility & contrast

On white

4.86

#3174B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.32

#3174B8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3174B8

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3174B8	#FFFFFF	#000000	##FFFFFF
##3174B8	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)

#5578BB

Deuteranopia (green-blind)

#416CB7

Tritanopia (blue-blind)

#00848D

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3174b8;
/* rgb */ color: rgb(49, 116, 184);
/* oklch */ color: oklch(54.9% 0.126 251.5);

Tailwind

colors: {
  custom: {
    50: '#7b9bcd',
    500: '#3174b8',
    950: '#000000',
  },
}

SCSS

$custom: #3174b8;
$custom-light: #7b9bcd;
$custom-dark: #000000;

JSON

{
  "hex": "#3174b8",
  "rgb": {
    "r": 49,
    "g": 116,
    "b": 184
  },
  "hsl": {
    "h": 210.222,
    "s": 57.94,
    "l": 45.686
  },
  "oklch": {
    "l": 0.54948,
    "c": 0.12596,
    "h": 251.5
  },
  "luminance": 0.16604
}

Semantic roles & 50–950 ramp

primary

#3174B8

secondary

#C8A37D

accent

#9447E1

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3174B8

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

Preview Lab → · Contrast checker → · Palette generator →