#3177B7#3177B7

#3177B7 is a mid, vivid cyan. Relative luminance 0.173; OKLCH L 55.6% C 0.122 H 249.3°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#3177B7
RGB	rgb(49, 119, 183)
HSL	hsl(209, 58%, 45%)
HSV	hsv(209, 73%, 72%)
CMYK	cmyk(73.2%, 35%, 0%, 28.2%)
CIE-LAB	lab(48.59, -0.01, -40.06)
CIE-LCH	lch(48.59, 40.06, 269.99°)
OKLab	oklab(55.59% -0.0431 -0.1138)
OKLCH	oklch(55.59% 0.122 249.3)
XYZ	xyz(16.4075, 17.2637, 47.2581)
Luminance	0.1727 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3177B7 #B77131

analogous

#31B7B4 #3177B7 #3134B7

triadic

#3177B7 #B73177 #77B731

tetradic

#3177B7 #B431B7 #B77131 #34B731

square

#3177B7 #B431B7 #B77131 #34B731

split-complementary

#3177B7 #B73134 #B7B431

monochromatic

#173856 #245887 #3177B7 #5495D1 #84B3DE

Accessibility & contrast

On white

4.72

#3177B7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.45

#3177B7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3177B7

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3177B7	#FFFFFF	#000000	##FFFFFF
##3177B7	1.00	4.72	4.45	4.72
#FFFFFF	4.72	1.00	21.00	1.00
#000000	4.45	21.00	1.00	21.00
##FFFFFF	4.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A7ABA

Deuteranopia (green-blind)

#466EB6

Tritanopia (blue-blind)

#00868E

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3177b7;
/* rgb */ color: rgb(49, 119, 183);
/* oklch */ color: oklch(55.6% 0.122 249.3);

Tailwind

colors: {
  custom: {
    50: '#7a9dcd',
    500: '#3177b7',
    950: '#000000',
  },
}

SCSS

$custom: #3177b7;
$custom-light: #7a9dcd;
$custom-dark: #000000;

JSON

{
  "hex": "#3177b7",
  "rgb": {
    "r": 49,
    "g": 119,
    "b": 183
  },
  "hsl": {
    "h": 208.657,
    "s": 57.759,
    "l": 45.49
  },
  "oklch": {
    "l": 0.55586,
    "c": 0.12173,
    "h": 249.3
  },
  "luminance": 0.17266
}

Semantic roles & 50–950 ramp

primary

#3177B7

secondary

#C8A07C

accent

#9047E1

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #3177B7

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

Preview Lab → · Contrast checker → · Palette generator →