#3177BD#3177BD

#3177BD is a mid, vivid cyan. Relative luminance 0.175; OKLCH L 55.9% C 0.129 H 251.3°. Best body text is #FFFFFF at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#3177BD
RGB	rgb(49, 119, 189)
HSL	hsl(210, 59%, 47%)
HSV	hsv(210, 74%, 74%)
CMYK	cmyk(74.1%, 37%, 0%, 25.9%)
CIE-LAB	lab(48.91, 2.19, -43.02)
CIE-LCH	lch(48.91, 43.08, 272.91°)
OKLab	oklab(55.94% -0.0415 -0.1225)
OKLCH	oklch(55.94% 0.129 251.3)
XYZ	xyz(17.0453, 17.5188, 50.6174)
Luminance	0.1752 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3177BD #BD7731

analogous

#31BDBD #3177BD #3131BD

triadic

#3177BD #BD3177 #77BD31

tetradic

#3177BD #BD31BD #BD7731 #31BD31

square

#3177BD #BD31BD #BD7731 #31BD31

split-complementary

#3177BD #BD3131 #BDBD31

monochromatic

#183A5C #24588C #3177BD #5896D4 #88B4E0

Accessibility & contrast

On white

4.66

#3177BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.50

#3177BD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3177BD

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3177BD	#FFFFFF	#000000	##FFFFFF
##3177BD	1.00	4.66	4.50	4.66
#FFFFFF	4.66	1.00	21.00	1.00
#000000	4.50	21.00	1.00	21.00
##FFFFFF	4.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#577BC0

Deuteranopia (green-blind)

#426EBC

Tritanopia (blue-blind)

#008891

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #3177bd;
/* rgb */ color: rgb(49, 119, 189);
/* oklch */ color: oklch(55.9% 0.129 251.3);

Tailwind

colors: {
  custom: {
    50: '#7c9dd1',
    500: '#3177bd',
    950: '#000000',
  },
}

SCSS

$custom: #3177bd;
$custom-light: #7c9dd1;
$custom-dark: #000000;

JSON

{
  "hex": "#3177bd",
  "rgb": {
    "r": 49,
    "g": 119,
    "b": 189
  },
  "hsl": {
    "h": 210,
    "s": 58.824,
    "l": 46.667
  },
  "oklch": {
    "l": 0.55937,
    "c": 0.12934,
    "h": 251.3
  },
  "luminance": 0.17521
}

Semantic roles & 50–950 ramp

primary

#3177BD

secondary

#CAA580

accent

#9446E2

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3177BD

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

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