#3179B1#3179B1

#3179B1 is a mid, moderate cyan. Relative luminance 0.175; OKLCH L 55.7% C 0.113 H 245.4°. Best body text is #FFFFFF at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#3179B1
RGB	rgb(49, 121, 177)
HSL	hsl(206, 57%, 44%)
HSV	hsv(206, 72%, 69%)
CMYK	cmyk(72.3%, 31.6%, 0%, 30.6%)
CIE-LAB	lab(48.88, -3.38, -36.13)
CIE-LCH	lch(48.88, 36.29, 264.65°)
OKLab	oklab(55.72% -0.0468 -0.1023)
OKLCH	oklch(55.72% 0.113 245.4)
XYZ	xyz(16.0368, 17.5002, 44.1192)
Luminance	0.1750 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3179B1 #B16931

analogous

#31B1A9 #3179B1 #3139B1

triadic

#3179B1 #B13179 #79B131

tetradic

#3179B1 #A931B1 #B16931 #39B131

square

#3179B1 #A931B1 #B16931 #39B131

split-complementary

#3179B1 #B13139 #B1A931

monochromatic

#163751 #245881 #3179B1 #5197CF #80B4DC

Accessibility & contrast

On white

4.67

#3179B1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.50

#3179B1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3179B1

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3179B1	#FFFFFF	#000000	##FFFFFF
##3179B1	1.00	4.67	4.50	4.67
#FFFFFF	4.67	1.00	21.00	1.00
#000000	4.50	21.00	1.00	21.00
##FFFFFF	4.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#607BB3

Deuteranopia (green-blind)

#4E6FB0

Tritanopia (blue-blind)

#00878D

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #3179b1;
/* rgb */ color: rgb(49, 121, 177);
/* oklch */ color: oklch(55.7% 0.113 245.4);

Tailwind

colors: {
  custom: {
    50: '#799fc8',
    500: '#3179b1',
    950: '#000000',
  },
}

SCSS

$custom: #3179b1;
$custom-light: #799fc8;
$custom-dark: #000000;

JSON

{
  "hex": "#3179b1",
  "rgb": {
    "r": 49,
    "g": 121,
    "b": 177
  },
  "hsl": {
    "h": 206.25,
    "s": 56.637,
    "l": 44.314
  },
  "oklch": {
    "l": 0.55717,
    "c": 0.11252,
    "h": 245.4
  },
  "luminance": 0.17502
}

Semantic roles & 50–950 ramp

primary

#3179B1

secondary

#C59A79

accent

#8A48E0

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #3179B1

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

Preview Lab → · Contrast checker → · Palette generator →