#3477BB#3477BB

#3477BB is a mid, vivid cyan. Relative luminance 0.175; OKLCH L 55.9% C 0.126 H 251.4°. Best body text is #FFFFFF at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#3477BB
RGB	rgb(52, 119, 187)
HSL	hsl(210, 56%, 47%)
HSV	hsv(210, 72%, 73%)
CMYK	cmyk(72.2%, 36.4%, 0%, 26.7%)
CIE-LAB	lab(48.90, 1.87, -41.88)
CIE-LCH	lch(48.90, 41.92, 272.56°)
OKLab	oklab(55.92% -0.0401 -0.1191)
OKLCH	oklch(55.92% 0.126 251.4)
XYZ	xyz(16.9793, 17.5097, 49.4889)
Luminance	0.1751 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3477BB #BB7834

analogous

#34BBBB #3477BB #3534BB

triadic

#3477BB #BB3477 #77BB34

tetradic

#3477BB #BB34BB #BB7834 #34BB35

square

#3477BB #BB34BB #BB7834 #34BB35

split-complementary

#3477BB #BB3534 #BBBB34

monochromatic

#193A5B #27598B #3477BB #5B96D1 #8BB4DF

Accessibility & contrast

On white

4.66

#3477BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.50

#3477BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3477BB

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3477BB	#FFFFFF	#000000	##FFFFFF
##3477BB	1.00	4.66	4.50	4.66
#FFFFFF	4.66	1.00	21.00	1.00
#000000	4.50	21.00	1.00	21.00
##FFFFFF	4.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#587BBE

Deuteranopia (green-blind)

#446EBA

Tritanopia (blue-blind)

#008790

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #3477bb;
/* rgb */ color: rgb(52, 119, 187);
/* oklch */ color: oklch(55.9% 0.126 251.4);

Tailwind

colors: {
  custom: {
    50: '#7c9dd0',
    500: '#3477bb',
    950: '#000000',
  },
}

SCSS

$custom: #3477bb;
$custom-light: #7c9dd0;
$custom-dark: #000000;

JSON

{
  "hex": "#3477bb",
  "rgb": {
    "r": 52,
    "g": 119,
    "b": 187
  },
  "hsl": {
    "h": 210.222,
    "s": 56.485,
    "l": 46.863
  },
  "oklch": {
    "l": 0.55921,
    "c": 0.12571,
    "h": 251.4
  },
  "luminance": 0.17512
}

Semantic roles & 50–950 ramp

primary

#3477BB

secondary

#C9A682

accent

#9448E0

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3477BB

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

Preview Lab → · Contrast checker → · Palette generator →