#3175B3#3175B3

#3175B3 is a mid, moderate cyan. Relative luminance 0.166; OKLCH L 54.9% C 0.119 H 249.1°. Best body text is #FFFFFF at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#3175B3
RGB	rgb(49, 117, 179)
HSL	hsl(209, 57%, 45%)
HSV	hsv(209, 73%, 70%)
CMYK	cmyk(72.6%, 34.6%, 0%, 29.8%)
CIE-LAB	lab(47.79, -0.25, -39.02)
CIE-LCH	lch(47.79, 39.02, 269.63°)
OKLab	oklab(54.89% -0.0423 -0.1108)
OKLCH	oklch(54.89% 0.119 249.1)
XYZ	xyz(15.7615, 16.6285, 45.0180)
Luminance	0.1663 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3175B3 #B36F31

analogous

#31B3B0 #3175B3 #3134B3

triadic

#3175B3 #B33175 #75B331

tetradic

#3175B3 #B031B3 #B36F31 #34B331

square

#3175B3 #B031B3 #B36F31 #34B331

split-complementary

#3175B3 #B33134 #B3B031

monochromatic

#173653 #245683 #3175B3 #5294D0 #82B1DD

Accessibility & contrast

On white

4.85

#3175B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.33

#3175B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3175B3

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3175B3	#FFFFFF	#000000	##FFFFFF
##3175B3	1.00	4.85	4.33	4.85
#FFFFFF	4.85	1.00	21.00	1.00
#000000	4.33	21.00	1.00	21.00
##FFFFFF	4.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5978B6

Deuteranopia (green-blind)

#466CB2

Tritanopia (blue-blind)

#00848B

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3175b3;
/* rgb */ color: rgb(49, 117, 179);
/* oklch */ color: oklch(54.9% 0.119 249.1);

Tailwind

colors: {
  custom: {
    50: '#7a9cca',
    500: '#3175b3',
    950: '#000000',
  },
}

SCSS

$custom: #3175b3;
$custom-light: #7a9cca;
$custom-dark: #000000;

JSON

{
  "hex": "#3175b3",
  "rgb": {
    "r": 49,
    "g": 117,
    "b": 179
  },
  "hsl": {
    "h": 208.615,
    "s": 57.018,
    "l": 44.706
  },
  "oklch": {
    "l": 0.54888,
    "c": 0.11859,
    "h": 249.1
  },
  "luminance": 0.1663
}

Semantic roles & 50–950 ramp

primary

#3175B3

secondary

#C69E7A

accent

#9048E0

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #3175B3

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

Preview Lab → · Contrast checker → · Palette generator →