#3478BD#3478BD

#3478BD is a mid, vivid cyan. Relative luminance 0.178; OKLCH L 56.3% C 0.127 H 251.4°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#3478BD
RGB	rgb(52, 120, 189)
HSL	hsl(210, 57%, 47%)
HSV	hsv(210, 72%, 74%)
CMYK	cmyk(72.5%, 36.5%, 0%, 25.9%)
CIE-LAB	lab(49.30, 1.99, -42.40)
CIE-LCH	lch(49.30, 42.45, 272.69°)
OKLab	oklab(56.27% -0.0406 -0.1206)
OKLCH	oklch(56.27% 0.127 251.4)
XYZ	xyz(17.3145, 17.8352, 50.6643)
Luminance	0.1784 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3478BD #BD7934

analogous

#34BCBD #3478BD #3534BD

triadic

#3478BD #BD3478 #78BD34

tetradic

#3478BD #BD34BC #BD7934 #34BD35

square

#3478BD #BD34BC #BD7934 #34BD35

split-complementary

#3478BD #BD3534 #BCBD34

monochromatic

#1A3B5D #275A8D #3478BD #5C97D2 #8CB5DF

Accessibility & contrast

On white

4.60

#3478BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.57

#3478BD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3478BD

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3478BD	#FFFFFF	#000000	##FFFFFF
##3478BD	1.00	4.60	4.57	4.60
#FFFFFF	4.60	1.00	21.00	1.00
#000000	4.57	21.00	1.00	21.00
##FFFFFF	4.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#587CC0

Deuteranopia (green-blind)

#446FBC

Tritanopia (blue-blind)

#008891

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3478bd;
/* rgb */ color: rgb(52, 120, 189);
/* oklch */ color: oklch(56.3% 0.127 251.4);

Tailwind

colors: {
  custom: {
    50: '#7d9ed1',
    500: '#3478bd',
    950: '#000000',
  },
}

SCSS

$custom: #3478bd;
$custom-light: #7d9ed1;
$custom-dark: #000000;

JSON

{
  "hex": "#3478bd",
  "rgb": {
    "r": 52,
    "g": 120,
    "b": 189
  },
  "hsl": {
    "h": 210.219,
    "s": 56.846,
    "l": 47.255
  },
  "oklch": {
    "l": 0.56268,
    "c": 0.12727,
    "h": 251.4
  },
  "luminance": 0.17837
}

Semantic roles & 50–950 ramp

primary

#3478BD

secondary

#CAA783

accent

#9448E0

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3478BD

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

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