#3174B3#3174B3

#3174B3 is a mid, moderate cyan. Relative luminance 0.164; OKLCH L 54.7% C 0.120 H 249.8°. Best body text is #FFFFFF at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#3174B3
RGB	rgb(49, 116, 179)
HSL	hsl(209, 57%, 45%)
HSV	hsv(209, 73%, 70%)
CMYK	cmyk(72.6%, 35.2%, 0%, 29.8%)
CIE-LAB	lab(47.49, 0.36, -39.49)
CIE-LCH	lch(47.49, 39.49, 270.52°)
OKLab	oklab(54.65% -0.0413 -0.1122)
OKLCH	oklch(54.65% 0.12 249.8)
XYZ	xyz(15.6456, 16.3967, 44.9794)
Luminance	0.1640 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3174B3 #B37031

analogous

#31B3B1 #3174B3 #3133B3

triadic

#3174B3 #B33174 #74B331

tetradic

#3174B3 #B131B3 #B37031 #33B331

square

#3174B3 #B131B3 #B37031 #33B331

split-complementary

#3174B3 #B33133 #B3B131

monochromatic

#173653 #245583 #3174B3 #5293D0 #82B1DD

Accessibility & contrast

On white

4.91

#3174B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.28

#3174B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3174B3

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3174B3	#FFFFFF	#000000	##FFFFFF
##3174B3	1.00	4.91	4.28	4.91
#FFFFFF	4.91	1.00	21.00	1.00
#000000	4.28	21.00	1.00	21.00
##FFFFFF	4.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5777B6

Deuteranopia (green-blind)

#456BB2

Tritanopia (blue-blind)

#00838B

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3174b3;
/* rgb */ color: rgb(49, 116, 179);
/* oklch */ color: oklch(54.7% 0.120 249.8);

Tailwind

colors: {
  custom: {
    50: '#7a9bca',
    500: '#3174b3',
    950: '#000000',
  },
}

SCSS

$custom: #3174b3;
$custom-light: #7a9bca;
$custom-dark: #000000;

JSON

{
  "hex": "#3174b3",
  "rgb": {
    "r": 49,
    "g": 116,
    "b": 179
  },
  "hsl": {
    "h": 209.077,
    "s": 57.018,
    "l": 44.706
  },
  "oklch": {
    "l": 0.54654,
    "c": 0.11955,
    "h": 249.8
  },
  "luminance": 0.16398
}

Semantic roles & 50–950 ramp

primary

#3174B3

secondary

#C69F7A

accent

#9248E0

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #3174B3

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

Preview Lab → · Contrast checker → · Palette generator →