#3478BA#3478BA

#3478BA is a mid, vivid cyan. Relative luminance 0.177; OKLCH L 56.1% C 0.123 H 250.4°. Best body text is #FFFFFF at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#3478BA
RGB	rgb(52, 120, 186)
HSL	hsl(210, 56%, 47%)
HSV	hsv(210, 72%, 73%)
CMYK	cmyk(72%, 35.5%, 0%, 27.1%)
CIE-LAB	lab(49.14, 0.90, -40.92)
CIE-LCH	lch(49.14, 40.93, 271.26°)
OKLab	oklab(56.09% -0.0414 -0.1163)
OKLCH	oklch(56.09% 0.123 250.4)
XYZ	xyz(16.9922, 17.7063, 48.9670)
Luminance	0.1771 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3478BA #BA7634

analogous

#34BAB9 #3478BA #3435BA

triadic

#3478BA #BA3478 #78BA34

tetradic

#3478BA #B934BA #BA7634 #35BA34

square

#3478BA #B934BA #BA7634 #35BA34

split-complementary

#3478BA #BA3435 #BAB934

monochromatic

#193A5A #27598A #3478BA #5A96D1 #8AB5DE

Accessibility & contrast

On white

4.62

#3478BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.54

#3478BA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3478BA

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3478BA	#FFFFFF	#000000	##FFFFFF
##3478BA	1.00	4.62	4.54	4.62
#FFFFFF	4.62	1.00	21.00	1.00
#000000	4.54	21.00	1.00	21.00
##FFFFFF	4.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A7CBD

Deuteranopia (green-blind)

#476FB9

Tritanopia (blue-blind)

#008890

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3478ba;
/* rgb */ color: rgb(52, 120, 186);
/* oklch */ color: oklch(56.1% 0.123 250.4);

Tailwind

colors: {
  custom: {
    50: '#7c9ecf',
    500: '#3478ba',
    950: '#000000',
  },
}

SCSS

$custom: #3478ba;
$custom-light: #7c9ecf;
$custom-dark: #000000;

JSON

{
  "hex": "#3478ba",
  "rgb": {
    "r": 52,
    "g": 120,
    "b": 186
  },
  "hsl": {
    "h": 209.552,
    "s": 56.303,
    "l": 46.667
  },
  "oklch": {
    "l": 0.56093,
    "c": 0.12344,
    "h": 250.4
  },
  "luminance": 0.17708
}

Semantic roles & 50–950 ramp

primary

#3478BA

secondary

#C8A481

accent

#9348E0

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3478BA

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

Preview Lab → · Contrast checker → · Palette generator →