#3175B4#3175B4

#3175B4 is a mid, moderate cyan. Relative luminance 0.167; OKLCH L 54.9% C 0.120 H 249.5°. Best body text is #FFFFFF at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#3175B4
RGB	rgb(49, 117, 180)
HSL	hsl(209, 57%, 45%)
HSV	hsv(209, 73%, 71%)
CMYK	cmyk(72.8%, 35%, 0%, 29.4%)
CIE-LAB	lab(47.84, 0.11, -39.51)
CIE-LCH	lch(47.84, 39.51, 270.16°)
OKLab	oklab(54.95% -0.042 -0.1123)
OKLCH	oklch(54.95% 0.12 249.5)
XYZ	xyz(15.8630, 16.6691, 45.5526)
Luminance	0.1667 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3175B4 #B47031

analogous

#31B4B1 #3175B4 #3134B4

triadic

#3175B4 #B43175 #75B431

tetradic

#3175B4 #B131B4 #B47031 #34B431

square

#3175B4 #B131B4 #B47031 #34B431

split-complementary

#3175B4 #B43134 #B4B131

monochromatic

#173654 #245684 #3175B4 #5293D0 #82B1DD

Accessibility & contrast

On white

4.85

#3175B4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.33

#3175B4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3175B4

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3175B4	#FFFFFF	#000000	##FFFFFF
##3175B4	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)

#5878B7

Deuteranopia (green-blind)

#456CB3

Tritanopia (blue-blind)

#00848C

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3175b4;
/* rgb */ color: rgb(49, 117, 180);
/* oklch */ color: oklch(54.9% 0.120 249.5);

Tailwind

colors: {
  custom: {
    50: '#7a9ccb',
    500: '#3175b4',
    950: '#000000',
  },
}

SCSS

$custom: #3175b4;
$custom-light: #7a9ccb;
$custom-dark: #000000;

JSON

{
  "hex": "#3175b4",
  "rgb": {
    "r": 49,
    "g": 117,
    "b": 180
  },
  "hsl": {
    "h": 208.855,
    "s": 57.205,
    "l": 44.902
  },
  "oklch": {
    "l": 0.54946,
    "c": 0.11986,
    "h": 249.5
  },
  "luminance": 0.16671
}

Semantic roles & 50–950 ramp

primary

#3175B4

secondary

#C69F7B

accent

#9147E0

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #3175B4

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

Preview Lab → · Contrast checker → · Palette generator →