#3175B5#3175B5

#3175B5 is a mid, vivid cyan. Relative luminance 0.167; OKLCH L 55.0% C 0.121 H 249.8°. Best body text is #FFFFFF at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#3175B5
RGB	rgb(49, 117, 181)
HSL	hsl(209, 57%, 45%)
HSV	hsv(209, 73%, 71%)
CMYK	cmyk(72.9%, 35.4%, 0%, 29%)
CIE-LAB	lab(47.89, 0.48, -40.01)
CIE-LCH	lch(47.89, 40.01, 270.69°)
OKLab	oklab(55% -0.0417 -0.1137)
OKLCH	oklch(55% 0.121 249.8)
XYZ	xyz(15.9653, 16.7100, 46.0910)
Luminance	0.1671 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3175B5 #B57131

analogous

#31B5B3 #3175B5 #3133B5

triadic

#3175B5 #B53175 #75B531

tetradic

#3175B5 #B331B5 #B57131 #33B531

square

#3175B5 #B331B5 #B57131 #33B531

split-complementary

#3175B5 #B53133 #B5B331

monochromatic

#173755 #245685 #3175B5 #5394D0 #83B2DD

Accessibility & contrast

On white

4.84

#3175B5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.34

#3175B5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3175B5

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3175B5	#FFFFFF	#000000	##FFFFFF
##3175B5	1.00	4.84	4.34	4.84
#FFFFFF	4.84	1.00	21.00	1.00
#000000	4.34	21.00	1.00	21.00
##FFFFFF	4.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5878B8

Deuteranopia (green-blind)

#456CB4

Tritanopia (blue-blind)

#00848C

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3175b5;
/* rgb */ color: rgb(49, 117, 181);
/* oklch */ color: oklch(55.0% 0.121 249.8);

Tailwind

colors: {
  custom: {
    50: '#7a9ccb',
    500: '#3175b5',
    950: '#000000',
  },
}

SCSS

$custom: #3175b5;
$custom-light: #7a9ccb;
$custom-dark: #000000;

JSON

{
  "hex": "#3175b5",
  "rgb": {
    "r": 49,
    "g": 117,
    "b": 181
  },
  "hsl": {
    "h": 209.091,
    "s": 57.391,
    "l": 45.098
  },
  "oklch": {
    "l": 0.55004,
    "c": 0.12113,
    "h": 249.8
  },
  "luminance": 0.16712
}

Semantic roles & 50–950 ramp

primary

#3175B5

secondary

#C7A07B

accent

#9247E1

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #3175B5

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

Preview Lab → · Contrast checker → · Palette generator →