#3478BF#3478BF

#3478BF is a mid, vivid cyan. Relative luminance 0.179; OKLCH L 56.4% C 0.130 H 252.0°. Best body text is #000000 at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#3478BF
RGB	rgb(52, 120, 191)
HSL	hsl(211, 57%, 48%)
HSV	hsv(211, 73%, 75%)
CMYK	cmyk(72.8%, 37.2%, 0%, 25.1%)
CIE-LAB	lab(49.40, 2.72, -43.38)
CIE-LCH	lch(49.40, 43.47, 273.59°)
OKLab	oklab(56.39% -0.04 -0.1235)
OKLCH	oklch(56.39% 0.13 252)
XYZ	xyz(17.5331, 17.9226, 51.8155)
Luminance	0.1792 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3478BF #BF7B34

analogous

#34BEBF #3478BF #3534BF

triadic

#3478BF #BF3478 #78BF34

tetradic

#3478BF #BF34BE #BF7B34 #34BF35

square

#3478BF #BF34BE #BF7B34 #34BF35

split-complementary

#3478BF #BF3534 #BEBF34

monochromatic

#1A3C5F #275A8F #3478BF #5D97D3 #8DB6E0

Accessibility & contrast

On white

4.58

#3478BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.59

#3478BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3478BF

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3478BF	#FFFFFF	#000000	##000000
##3478BF	1.00	4.58	4.59	4.59
#FFFFFF	4.58	1.00	21.00	21.00
#000000	4.59	21.00	1.00	1.00
##000000	4.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#577CC2

Deuteranopia (green-blind)

#4370BE

Tritanopia (blue-blind)

#008992

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3478bf;
/* rgb */ color: rgb(52, 120, 191);
/* oklch */ color: oklch(56.4% 0.130 252.0);

Tailwind

colors: {
  custom: {
    50: '#7d9ed2',
    500: '#3478bf',
    950: '#000000',
  },
}

SCSS

$custom: #3478bf;
$custom-light: #7d9ed2;
$custom-dark: #000000;

JSON

{
  "hex": "#3478bf",
  "rgb": {
    "r": 52,
    "g": 120,
    "b": 191
  },
  "hsl": {
    "h": 210.647,
    "s": 57.202,
    "l": 47.647
  },
  "oklch": {
    "l": 0.56386,
    "c": 0.12983,
    "h": 252
  },
  "luminance": 0.17925
}

Semantic roles & 50–950 ramp

primary

#3478BF

secondary

#CAA884

accent

#9647E0

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3478BF

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

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