#3174BB#3174BB

#3174BB is a mid, vivid cyan. Relative luminance 0.167; OKLCH L 55.1% C 0.130 H 252.4°. Best body text is #FFFFFF at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#3174BB
RGB	rgb(49, 116, 187)
HSL	hsl(211, 58%, 46%)
HSV	hsv(211, 74%, 73%)
CMYK	cmyk(73.8%, 38%, 0%, 26.7%)
CIE-LAB	lab(47.92, 3.29, -43.44)
CIE-LCH	lch(47.92, 43.57, 274.34°)
OKLab	oklab(55.13% -0.0392 -0.1238)
OKLCH	oklch(55.13% 0.13 252.4)
XYZ	xyz(16.4783, 16.7298, 49.3648)
Luminance	0.1673 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3174BB #BB7831

analogous

#31B9BB #3174BB #3331BB

triadic

#3174BB #BB3174 #74BB31

tetradic

#3174BB #BB31B9 #BB7831 #31BB33

square

#3174BB #BB31B9 #BB7831 #31BB33

split-complementary

#3174BB #BB3331 #B9BB31

monochromatic

#18385A #24568B #3174BB #5693D3 #87B2E0

Accessibility & contrast

On white

4.83

#3174BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.35

#3174BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3174BB

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3174BB	#FFFFFF	#000000	##FFFFFF
##3174BB	1.00	4.83	4.35	4.83
#FFFFFF	4.83	1.00	21.00	1.00
#000000	4.35	21.00	1.00	21.00
##FFFFFF	4.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5379BE

Deuteranopia (green-blind)

#3E6CBA

Tritanopia (blue-blind)

#00858E

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3174bb;
/* rgb */ color: rgb(49, 116, 187);
/* oklch */ color: oklch(55.1% 0.130 252.4);

Tailwind

colors: {
  custom: {
    50: '#7b9bd0',
    500: '#3174bb',
    950: '#000000',
  },
}

SCSS

$custom: #3174bb;
$custom-light: #7b9bd0;
$custom-dark: #000000;

JSON

{
  "hex": "#3174bb",
  "rgb": {
    "r": 49,
    "g": 116,
    "b": 187
  },
  "hsl": {
    "h": 210.87,
    "s": 58.475,
    "l": 46.275
  },
  "oklch": {
    "l": 0.55128,
    "c": 0.12983,
    "h": 252.4
  },
  "luminance": 0.16732
}

Semantic roles & 50–950 ramp

primary

#3174BB

secondary

#C9A57F

accent

#9646E2

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3174BB

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

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