#3174B4#3174B4

#3174B4 is a mid, vivid cyan. Relative luminance 0.164; OKLCH L 54.7% C 0.121 H 250.1°. Best body text is #FFFFFF at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#3174B4
RGB	rgb(49, 116, 180)
HSL	hsl(209, 57%, 45%)
HSV	hsv(209, 73%, 71%)
CMYK	cmyk(72.8%, 35.6%, 0%, 29.4%)
CIE-LAB	lab(47.54, 0.72, -39.98)
CIE-LCH	lch(47.54, 39.99, 271.04°)
OKLab	oklab(54.71% -0.041 -0.1136)
OKLCH	oklch(54.71% 0.121 250.1)
XYZ	xyz(15.7471, 16.4373, 45.5140)
Luminance	0.1644 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3174B4 #B47131

analogous

#31B4B2 #3174B4 #3133B4

triadic

#3174B4 #B43174 #74B431

tetradic

#3174B4 #B231B4 #B47131 #33B431

square

#3174B4 #B231B4 #B47131 #33B431

split-complementary

#3174B4 #B43133 #B4B231

monochromatic

#173654 #245584 #3174B4 #5293D0 #82B1DD

Accessibility & contrast

On white

4.90

#3174B4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.29

#3174B4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3174B4

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3174B4	#FFFFFF	#000000	##FFFFFF
##3174B4	1.00	4.90	4.29	4.90
#FFFFFF	4.90	1.00	21.00	1.00
#000000	4.29	21.00	1.00	21.00
##FFFFFF	4.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5777B7

Deuteranopia (green-blind)

#446BB3

Tritanopia (blue-blind)

#00838B

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3174b4;
/* rgb */ color: rgb(49, 116, 180);
/* oklch */ color: oklch(54.7% 0.121 250.1);

Tailwind

colors: {
  custom: {
    50: '#7a9bcb',
    500: '#3174b4',
    950: '#000000',
  },
}

SCSS

$custom: #3174b4;
$custom-light: #7a9bcb;
$custom-dark: #000000;

JSON

{
  "hex": "#3174b4",
  "rgb": {
    "r": 49,
    "g": 116,
    "b": 180
  },
  "hsl": {
    "h": 209.313,
    "s": 57.205,
    "l": 44.902
  },
  "oklch": {
    "l": 0.54712,
    "c": 0.12083,
    "h": 250.1
  },
  "luminance": 0.16439
}

Semantic roles & 50–950 ramp

primary

#3174B4

secondary

#C6A07B

accent

#9247E0

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #3174B4

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

Preview Lab → · Contrast checker → · Palette generator →