#3B79BC#3B79BC

#3B79BC is a mid, vivid cyan. Relative luminance 0.182; OKLCH L 56.7% C 0.122 H 252.3°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#3B79BC
RGB	rgb(59, 121, 188)
HSL	hsl(211, 52%, 48%)
HSV	hsv(211, 69%, 74%)
CMYK	cmyk(68.6%, 35.6%, 0%, 26.3%)
CIE-LAB	lab(49.78, 2.08, -41.05)
CIE-LCH	lch(49.78, 41.10, 272.90°)
OKLab	oklab(56.7% -0.0371 -0.1166)
OKLCH	oklch(56.7% 0.122 252.3)
XYZ	xyz(17.7148, 18.2335, 50.1530)
Luminance	0.1824 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B79BC #BC7E3B

analogous

#3BB9BC #3B79BC #3D3BBC

triadic

#3B79BC #BC3B79 #79BC3B

tetradic

#3B79BC #BC3BB9 #BC7E3B #3BBC3D

square

#3B79BC #BC3BB9 #BC7E3B #3BBC3D

split-complementary

#3B79BC #BC3D3B #B9BC3B

monochromatic

#1E3D5F #2C5B8D #3B79BC #6598CF #94B7DD

Accessibility & contrast

On white

4.52

#3B79BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.65

#3B79BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B79BC

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B79BC	#FFFFFF	#000000	##000000
##3B79BC	1.00	4.52	4.65	4.65
#FFFFFF	4.52	1.00	21.00	21.00
#000000	4.65	21.00	1.00	1.00
##000000	4.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B7DBF

Deuteranopia (green-blind)

#4971BB

Tritanopia (blue-blind)

#008991

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3b79bc;
/* rgb */ color: rgb(59, 121, 188);
/* oklch */ color: oklch(56.7% 0.122 252.3);

Tailwind

colors: {
  custom: {
    50: '#7f9fd0',
    500: '#3b79bc',
    950: '#000000',
  },
}

SCSS

$custom: #3b79bc;
$custom-light: #7f9fd0;
$custom-dark: #000000;

JSON

{
  "hex": "#3b79bc",
  "rgb": {
    "r": 59,
    "g": 121,
    "b": 188
  },
  "hsl": {
    "h": 211.163,
    "s": 52.227,
    "l": 48.431
  },
  "oklch": {
    "l": 0.56696,
    "c": 0.12232,
    "h": 252.3
  },
  "luminance": 0.18235
}

Semantic roles & 50–950 ramp

primary

#3B79BC

secondary

#C9AB8A

accent

#974CDC

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3B79BC

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

Preview Lab → · Contrast checker → · Palette generator →