#3177B6#3177B6

#3177B6 is a mid, vivid cyan. Relative luminance 0.172; OKLCH L 55.5% C 0.120 H 248.9°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#3177B6
RGB	rgb(49, 119, 182)
HSL	hsl(208, 58%, 45%)
HSV	hsv(208, 73%, 71%)
CMYK	cmyk(73.1%, 34.6%, 0%, 28.6%)
CIE-LAB	lab(48.54, -0.37, -39.57)
CIE-LCH	lch(48.54, 39.57, 269.46°)
OKLab	oklab(55.53% -0.0434 -0.1124)
OKLCH	oklch(55.53% 0.12 248.9)
XYZ	xyz(16.3038, 17.2222, 46.7119)
Luminance	0.1722 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3177B6 #B67031

analogous

#31B6B2 #3177B6 #3134B6

triadic

#3177B6 #B63177 #77B631

tetradic

#3177B6 #B231B6 #B67031 #34B631

square

#3177B6 #B231B6 #B67031 #34B631

split-complementary

#3177B6 #B63134 #B6B231

monochromatic

#173856 #245786 #3177B6 #5395D1 #84B3DE

Accessibility & contrast

On white

4.72

#3177B6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#3177B6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3177B6

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3177B6	#FFFFFF	#000000	##FFFFFF
##3177B6	1.00	4.72	4.44	4.72
#FFFFFF	4.72	1.00	21.00	1.00
#000000	4.44	21.00	1.00	21.00
##FFFFFF	4.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A7AB9

Deuteranopia (green-blind)

#476EB5

Tritanopia (blue-blind)

#00868E

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3177b6;
/* rgb */ color: rgb(49, 119, 182);
/* oklch */ color: oklch(55.5% 0.120 248.9);

Tailwind

colors: {
  custom: {
    50: '#7a9dcc',
    500: '#3177b6',
    950: '#000000',
  },
}

SCSS

$custom: #3177b6;
$custom-light: #7a9dcc;
$custom-dark: #000000;

JSON

{
  "hex": "#3177b6",
  "rgb": {
    "r": 49,
    "g": 119,
    "b": 182
  },
  "hsl": {
    "h": 208.421,
    "s": 57.576,
    "l": 45.294
  },
  "oklch": {
    "l": 0.55528,
    "c": 0.12047,
    "h": 248.9
  },
  "luminance": 0.17224
}

Semantic roles & 50–950 ramp

primary

#3177B6

secondary

#C79F7C

accent

#9047E1

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #3177B6

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

Preview Lab → · Contrast checker → · Palette generator →