#3477B3#3477B3

#3477B3 is a mid, moderate cyan. Relative luminance 0.172; OKLCH L 55.5% C 0.116 H 248.5°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#3477B3
RGB	rgb(52, 119, 179)
HSL	hsl(208, 55%, 45%)
HSV	hsv(208, 71%, 70%)
CMYK	cmyk(70.9%, 33.5%, 0%, 29.8%)
CIE-LAB	lab(48.48, -1.02, -37.91)
CIE-LCH	lch(48.48, 37.93, 268.46°)
OKLab	oklab(55.46% -0.0423 -0.1075)
OKLCH	oklch(55.46% 0.116 248.5)
XYZ	xyz(16.1466, 17.1766, 45.1035)
Luminance	0.1718 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3477B3 #B37034

analogous

#34B3AF #3477B3 #3438B3

triadic

#3477B3 #B33477 #77B334

tetradic

#3477B3 #AF34B3 #B37034 #38B334

square

#3477B3 #AF34B3 #B37034 #38B334

split-complementary

#3477B3 #B33438 #B3AF34

monochromatic

#183854 #265784 #3477B3 #5695CE #86B3DC

Accessibility & contrast

On white

4.73

#3477B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#3477B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3477B3

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3477B3	#FFFFFF	#000000	##FFFFFF
##3477B3	1.00	4.73	4.44	4.73
#FFFFFF	4.73	1.00	21.00	1.00
#000000	4.44	21.00	1.00	21.00
##FFFFFF	4.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C7AB6

Deuteranopia (green-blind)

#4A6EB2

Tritanopia (blue-blind)

#00858D

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3477b3;
/* rgb */ color: rgb(52, 119, 179);
/* oklch */ color: oklch(55.5% 0.116 248.5);

Tailwind

colors: {
  custom: {
    50: '#7b9dca',
    500: '#3477b3',
    950: '#000000',
  },
}

SCSS

$custom: #3477b3;
$custom-light: #7b9dca;
$custom-dark: #000000;

JSON

{
  "hex": "#3477b3",
  "rgb": {
    "r": 52,
    "g": 119,
    "b": 179
  },
  "hsl": {
    "h": 208.346,
    "s": 54.978,
    "l": 45.294
  },
  "oklch": {
    "l": 0.5546,
    "c": 0.11557,
    "h": 248.5
  },
  "luminance": 0.17178
}

Semantic roles & 50–950 ramp

primary

#3477B3

secondary

#C59F7D

accent

#9049DE

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #3477B3

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

Preview Lab → · Contrast checker → · Palette generator →