#3179B2#3179B2

#3179B2 is a mid, moderate cyan. Relative luminance 0.175; OKLCH L 55.8% C 0.114 H 245.9°. Best body text is #FFFFFF at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#3179B2
RGB	rgb(49, 121, 178)
HSL	hsl(207, 57%, 45%)
HSV	hsv(207, 72%, 70%)
CMYK	cmyk(72.5%, 32%, 0%, 30.2%)
CIE-LAB	lab(48.93, -3.02, -36.63)
CIE-LCH	lch(48.93, 36.75, 265.28°)
OKLab	oklab(55.77% -0.0465 -0.1038)
OKLCH	oklch(55.77% 0.114 245.9)
XYZ	xyz(16.1368, 17.5403, 44.6460)
Luminance	0.1754 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3179B2 #B26A31

analogous

#31B2AB #3179B2 #3138B2

triadic

#3179B2 #B23179 #79B231

tetradic

#3179B2 #AB31B2 #B26A31 #38B231

square

#3179B2 #AB31B2 #B26A31 #38B231

split-complementary

#3179B2 #B23138 #B2AB31

monochromatic

#173852 #245882 #3179B2 #5197CF #81B4DC

Accessibility & contrast

On white

4.66

#3179B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.51

#3179B2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3179B2

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3179B2	#FFFFFF	#000000	##FFFFFF
##3179B2	1.00	4.66	4.51	4.66
#FFFFFF	4.66	1.00	21.00	1.00
#000000	4.51	21.00	1.00	21.00
##FFFFFF	4.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F7BB4

Deuteranopia (green-blind)

#4D6FB1

Tritanopia (blue-blind)

#00878D

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #3179b2;
/* rgb */ color: rgb(49, 121, 178);
/* oklch */ color: oklch(55.8% 0.114 245.9);

Tailwind

colors: {
  custom: {
    50: '#7a9fc9',
    500: '#3179b2',
    950: '#000000',
  },
}

SCSS

$custom: #3179b2;
$custom-light: #7a9fc9;
$custom-dark: #000000;

JSON

{
  "hex": "#3179b2",
  "rgb": {
    "r": 49,
    "g": 121,
    "b": 178
  },
  "hsl": {
    "h": 206.512,
    "s": 56.828,
    "l": 44.51
  },
  "oklch": {
    "l": 0.55773,
    "c": 0.11372,
    "h": 245.9
  },
  "luminance": 0.17542
}

Semantic roles & 50–950 ramp

primary

#3179B2

secondary

#C59B79

accent

#8B48E0

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #3179B2

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

Preview Lab → · Contrast checker → · Palette generator →