#3176B5#3176B5

#3176B5 is a mid, vivid cyan. Relative luminance 0.169; OKLCH L 55.2% C 0.120 H 249.2°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#3176B5
RGB	rgb(49, 118, 181)
HSL	hsl(209, 57%, 45%)
HSV	hsv(209, 73%, 71%)
CMYK	cmyk(72.9%, 34.8%, 0%, 29%)
CIE-LAB	lab(48.19, -0.13, -39.54)
CIE-LCH	lch(48.19, 39.54, 269.81°)
OKLab	oklab(55.24% -0.0427 -0.1123)
OKLCH	oklch(55.24% 0.12 249.2)
XYZ	xyz(16.0824, 16.9442, 46.1301)
Luminance	0.1695 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3176B5 #B57031

analogous

#31B5B2 #3176B5 #3134B5

triadic

#3176B5 #B53176 #76B531

tetradic

#3176B5 #B231B5 #B57031 #34B531

square

#3176B5 #B231B5 #B57031 #34B531

split-complementary

#3176B5 #B53134 #B5B231

monochromatic

#173755 #245785 #3176B5 #5394D0 #83B2DD

Accessibility & contrast

On white

4.78

#3176B5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#3176B5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3176B5

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3176B5	#FFFFFF	#000000	##FFFFFF
##3176B5	1.00	4.78	4.39	4.78
#FFFFFF	4.78	1.00	21.00	1.00
#000000	4.39	21.00	1.00	21.00
##FFFFFF	4.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5979B8

Deuteranopia (green-blind)

#466DB4

Tritanopia (blue-blind)

#00858D

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3176b5;
/* rgb */ color: rgb(49, 118, 181);
/* oklch */ color: oklch(55.2% 0.120 249.2);

Tailwind

colors: {
  custom: {
    50: '#7a9dcb',
    500: '#3176b5',
    950: '#000000',
  },
}

SCSS

$custom: #3176b5;
$custom-light: #7a9dcb;
$custom-dark: #000000;

JSON

{
  "hex": "#3176b5",
  "rgb": {
    "r": 49,
    "g": 118,
    "b": 181
  },
  "hsl": {
    "h": 208.636,
    "s": 57.391,
    "l": 45.098
  },
  "oklch": {
    "l": 0.55237,
    "c": 0.12016,
    "h": 249.2
  },
  "luminance": 0.16946
}

Semantic roles & 50–950 ramp

primary

#3176B5

secondary

#C79F7B

accent

#9047E1

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #3176B5

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

Preview Lab → · Contrast checker → · Palette generator →