#3379BB#3379BB

#3379BB is a mid, vivid cyan. Relative luminance 0.180; OKLCH L 56.3% C 0.124 H 249.9°. Best body text is #000000 at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#3379BB
RGB	rgb(51, 121, 187)
HSL	hsl(209, 57%, 47%)
HSV	hsv(209, 73%, 73%)
CMYK	cmyk(72.7%, 35.3%, 0%, 26.7%)
CIE-LAB	lab(49.45, 0.52, -41.00)
CIE-LCH	lch(49.45, 41.01, 270.72°)
OKLab	oklab(56.35% -0.0427 -0.1165)
OKLCH	oklch(56.35% 0.124 249.9)
XYZ	xyz(17.1689, 17.9645, 49.5667)
Luminance	0.1797 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3379BB #BB7533

analogous

#33BBB9 #3379BB #3335BB

triadic

#3379BB #BB3379 #79BB33

tetradic

#3379BB #B933BB #BB7533 #35BB33

square

#3379BB #B933BB #BB7533 #35BB33

split-complementary

#3379BB #BB3335 #BBB933

monochromatic

#193B5B #265A8B #3379BB #5997D2 #89B5DF

Accessibility & contrast

On white

4.57

#3379BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.59

#3379BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3379BB

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3379BB	#FFFFFF	#000000	##000000
##3379BB	1.00	4.57	4.59	4.59
#FFFFFF	4.57	1.00	21.00	21.00
#000000	4.59	21.00	1.00	1.00
##000000	4.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B7DBE

Deuteranopia (green-blind)

#4770BA

Tritanopia (blue-blind)

#008991

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3379bb;
/* rgb */ color: rgb(51, 121, 187);
/* oklch */ color: oklch(56.3% 0.124 249.9);

Tailwind

colors: {
  custom: {
    50: '#7c9fd0',
    500: '#3379bb',
    950: '#000000',
  },
}

SCSS

$custom: #3379bb;
$custom-light: #7c9fd0;
$custom-dark: #000000;

JSON

{
  "hex": "#3379bb",
  "rgb": {
    "r": 51,
    "g": 121,
    "b": 187
  },
  "hsl": {
    "h": 209.118,
    "s": 57.143,
    "l": 46.667
  },
  "oklch": {
    "l": 0.56348,
    "c": 0.12411,
    "h": 249.9
  },
  "luminance": 0.17966
}

Semantic roles & 50–950 ramp

primary

#3379BB

secondary

#C9A481

accent

#9247E0

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3379BB

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

Preview Lab → · Contrast checker → · Palette generator →