#3174B7#3174B7

#3174B7 is a mid, vivid cyan. Relative luminance 0.166; OKLCH L 54.9% C 0.125 H 251.2°. Best body text is #FFFFFF at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#3174B7
RGB	rgb(49, 116, 183)
HSL	hsl(210, 58%, 45%)
HSV	hsv(210, 73%, 72%)
CMYK	cmyk(73.2%, 36.6%, 0%, 28.2%)
CIE-LAB	lab(47.70, 1.82, -41.47)
CIE-LCH	lch(47.70, 41.51, 272.52°)
OKLab	oklab(54.89% -0.0402 -0.118)
OKLCH	oklch(54.89% 0.125 251.2)
XYZ	xyz(16.0561, 16.5609, 47.1409)
Luminance	0.1656 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3174B7 #B77431

analogous

#31B7B7 #3174B7 #3131B7

triadic

#3174B7 #B73174 #74B731

tetradic

#3174B7 #B731B7 #B77431 #31B731

square

#3174B7 #B731B7 #B77431 #31B731

split-complementary

#3174B7 #B73131 #B7B731

monochromatic

#173756 #245587 #3174B7 #5493D1 #84B1DE

Accessibility & contrast

On white

4.87

#3174B7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.31

#3174B7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3174B7

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3174B7	#FFFFFF	#000000	##FFFFFF
##3174B7	1.00	4.87	4.31	4.87
#FFFFFF	4.87	1.00	21.00	1.00
#000000	4.31	21.00	1.00	21.00
##FFFFFF	4.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5578BA

Deuteranopia (green-blind)

#416CB6

Tritanopia (blue-blind)

#00848D

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3174b7;
/* rgb */ color: rgb(49, 116, 183);
/* oklch */ color: oklch(54.9% 0.125 251.2);

Tailwind

colors: {
  custom: {
    50: '#7a9bcd',
    500: '#3174b7',
    950: '#000000',
  },
}

SCSS

$custom: #3174b7;
$custom-light: #7a9bcd;
$custom-dark: #000000;

JSON

{
  "hex": "#3174b7",
  "rgb": {
    "r": 49,
    "g": 116,
    "b": 183
  },
  "hsl": {
    "h": 210,
    "s": 57.759,
    "l": 45.49
  },
  "oklch": {
    "l": 0.54889,
    "c": 0.12467,
    "h": 251.2
  },
  "luminance": 0.16563
}

Semantic roles & 50–950 ramp

primary

#3174B7

secondary

#C8A27C

accent

#9447E1

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #3174B7

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

Preview Lab → · Contrast checker → · Palette generator →