#3478CD#3478CD

#3478CD is a mid, vivid cyan. Relative luminance 0.186; OKLCH L 57.2% C 0.148 H 255.6°. Best body text is #000000 at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#3478CD
RGB	rgb(52, 120, 205)
HSL	hsl(213, 60%, 50%)
HSV	hsv(213, 75%, 80%)
CMYK	cmyk(74.6%, 41.5%, 0%, 19.6%)
CIE-LAB	lab(50.18, 7.86, -50.16)
CIE-LCH	lch(50.18, 50.77, 278.90°)
OKLab	oklab(57.24% -0.0368 -0.1434)
OKLCH	oklch(57.24% 0.148 255.6)
XYZ	xyz(19.1480, 18.5686, 60.3207)
Luminance	0.1857 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3478CD #CD8934

analogous

#34C5CD #3478CD #3C34CD

triadic

#3478CD #CD3478 #78CD34

tetradic

#3478CD #CD34C5 #CD8934 #34CD3C

square

#3478CD #CD34C5 #CD8934 #34CD3C

split-complementary

#3478CD #CD3C34 #C5CD34

monochromatic

#1B3F6C #275B9D #3478CD #6599D9 #96B9E5

Accessibility & contrast

On white

4.45

#3478CD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.71

#3478CD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3478CD

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3478CD	#FFFFFF	#000000	##000000
##3478CD	1.00	4.45	4.71	4.71
#FFFFFF	4.45	1.00	21.00	21.00
#000000	4.71	21.00	1.00	1.00
##000000	4.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F7FD0

Deuteranopia (green-blind)

#3571CB

Tritanopia (blue-blind)

#008C98

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #3478cd;
/* rgb */ color: rgb(52, 120, 205);
/* oklch */ color: oklch(57.2% 0.148 255.6);

Tailwind

colors: {
  custom: {
    50: '#809edd',
    500: '#3478cd',
    950: '#000000',
  },
}

SCSS

$custom: #3478cd;
$custom-light: #809edd;
$custom-dark: #000000;

JSON

{
  "hex": "#3478cd",
  "rgb": {
    "r": 52,
    "g": 120,
    "b": 205
  },
  "hsl": {
    "h": 213.333,
    "s": 60.474,
    "l": 50.392
  },
  "oklch": {
    "l": 0.57244,
    "c": 0.14802,
    "h": 255.6
  },
  "luminance": 0.18571
}

Semantic roles & 50–950 ramp

primary

#3478CD

secondary

#D1B28C

accent

#9D44E4

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3478CD

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

Preview Lab → · Contrast checker → · Palette generator →