#3479BB#3479BB

#3479BB is a mid, vivid cyan. Relative luminance 0.180; OKLCH L 56.4% C 0.124 H 250.1°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#3479BB
RGB	rgb(52, 121, 187)
HSL	hsl(209, 56%, 47%)
HSV	hsv(209, 72%, 73%)
CMYK	cmyk(72.2%, 35.3%, 0%, 26.7%)
CIE-LAB	lab(49.48, 0.66, -40.95)
CIE-LCH	lch(49.48, 40.96, 270.92°)
OKLab	oklab(56.38% -0.0421 -0.1164)
OKLCH	oklch(56.38% 0.124 250.1)
XYZ	xyz(17.2198, 17.9908, 49.5691)
Luminance	0.1799 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3479BB #BB7634

analogous

#34BBB9 #3479BB #3436BB

triadic

#3479BB #BB3479 #79BB34

tetradic

#3479BB #B934BB #BB7634 #36BB34

square

#3479BB #B934BB #BB7634 #36BB34

split-complementary

#3479BB #BB3436 #BBB934

monochromatic

#193B5B #275A8B #3479BB #5B97D1 #8BB6DF

Accessibility & contrast

On white

4.57

#3479BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#3479BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3479BB

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3479BB	#FFFFFF	#000000	##000000
##3479BB	1.00	4.57	4.60	4.60
#FFFFFF	4.57	1.00	21.00	21.00
#000000	4.60	21.00	1.00	1.00
##000000	4.60	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: #3479bb;
/* rgb */ color: rgb(52, 121, 187);
/* oklch */ color: oklch(56.4% 0.124 250.1);

Tailwind

colors: {
  custom: {
    50: '#7c9fd0',
    500: '#3479bb',
    950: '#000000',
  },
}

SCSS

$custom: #3479bb;
$custom-light: #7c9fd0;
$custom-dark: #000000;

JSON

{
  "hex": "#3479bb",
  "rgb": {
    "r": 52,
    "g": 121,
    "b": 187
  },
  "hsl": {
    "h": 209.333,
    "s": 56.485,
    "l": 46.863
  },
  "oklch": {
    "l": 0.56382,
    "c": 0.12374,
    "h": 250.1
  },
  "luminance": 0.17993
}

Semantic roles & 50–950 ramp

primary

#3479BB

secondary

#C9A582

accent

#9248E0

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3479BB

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

Preview Lab → · Contrast checker → · Palette generator →