#3177B1#3177B1

#3177B1 is a mid, moderate cyan. Relative luminance 0.170; OKLCH L 55.2% C 0.114 H 246.9°. Best body text is #FFFFFF at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#3177B1
RGB	rgb(49, 119, 177)
HSL	hsl(207, 57%, 44%)
HSV	hsv(207, 72%, 69%)
CMYK	cmyk(72.3%, 32.8%, 0%, 30.6%)
CIE-LAB	lab(48.28, -2.19, -37.07)
CIE-LCH	lch(48.28, 37.14, 266.62°)
OKLab	oklab(55.24% -0.0448 -0.1051)
OKLCH	oklch(55.24% 0.114 246.9)
XYZ	xyz(15.7962, 17.0192, 44.0390)
Luminance	0.1702 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3177B1 #B16B31

analogous

#31B1AB #3177B1 #3137B1

triadic

#3177B1 #B13177 #77B131

tetradic

#3177B1 #AB31B1 #B16B31 #37B131

square

#3177B1 #AB31B1 #B16B31 #37B131

split-complementary

#3177B1 #B13137 #B1AB31

monochromatic

#163751 #245781 #3177B1 #5196CF #80B2DC

Accessibility & contrast

On white

4.77

#3177B1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.40

#3177B1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3177B1

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3177B1	#FFFFFF	#000000	##FFFFFF
##3177B1	1.00	4.77	4.40	4.77
#FFFFFF	4.77	1.00	21.00	1.00
#000000	4.40	21.00	1.00	21.00
##FFFFFF	4.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D79B3

Deuteranopia (green-blind)

#4B6DB0

Tritanopia (blue-blind)

#00858C

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3177b1;
/* rgb */ color: rgb(49, 119, 177);
/* oklch */ color: oklch(55.2% 0.114 246.9);

Tailwind

colors: {
  custom: {
    50: '#799ec8',
    500: '#3177b1',
    950: '#000000',
  },
}

SCSS

$custom: #3177b1;
$custom-light: #799ec8;
$custom-dark: #000000;

JSON

{
  "hex": "#3177b1",
  "rgb": {
    "r": 49,
    "g": 119,
    "b": 177
  },
  "hsl": {
    "h": 207.188,
    "s": 56.637,
    "l": 44.314
  },
  "oklch": {
    "l": 0.55244,
    "c": 0.11426,
    "h": 246.9
  },
  "luminance": 0.17021
}

Semantic roles & 50–950 ramp

primary

#3177B1

secondary

#C59B79

accent

#8D48E0

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #3177B1

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

Preview Lab → · Contrast checker → · Palette generator →