#3478AB#3478AB

#3478AB is a mid, moderate cyan. Relative luminance 0.171; OKLCH L 55.3% C 0.105 H 244.1°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#3478AB
RGB	rgb(52, 120, 171)
HSL	hsl(206, 53%, 44%)
HSV	hsv(206, 70%, 67%)
CMYK	cmyk(69.6%, 29.8%, 0%, 32.9%)
CIE-LAB	lab(48.39, -4.48, -33.42)
CIE-LCH	lch(48.39, 33.71, 262.37°)
OKLab	oklab(55.26% -0.0458 -0.0944)
OKLCH	oklch(55.26% 0.105 244.1)
XYZ	xyz(15.4805, 17.1016, 41.0053)
Luminance	0.1710 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3478AB #AB6734

analogous

#34ABA2 #3478AB #343DAB

triadic

#3478AB #AB3478 #78AB34

tetradic

#3478AB #A234AB #AB6734 #3DAB34

square

#3478AB #A234AB #AB6734 #3DAB34

split-complementary

#3478AB #AB343D #ABA234

monochromatic

#17364D #26577C #3478AB #5297CA #81B3D9

Accessibility & contrast

On white

4.75

#3478AB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#3478AB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3478AB

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3478AB	#FFFFFF	#000000	##FFFFFF
##3478AB	1.00	4.75	4.42	4.75
#FFFFFF	4.75	1.00	21.00	1.00
#000000	4.42	21.00	1.00	21.00
##FFFFFF	4.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6179AD

Deuteranopia (green-blind)

#516EAA

Tritanopia (blue-blind)

#00848A

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3478ab;
/* rgb */ color: rgb(52, 120, 171);
/* oklch */ color: oklch(55.3% 0.105 244.1);

Tailwind

colors: {
  custom: {
    50: '#799ec4',
    500: '#3478ab',
    950: '#000000',
  },
}

SCSS

$custom: #3478ab;
$custom-light: #799ec4;
$custom-dark: #000000;

JSON

{
  "hex": "#3478ab",
  "rgb": {
    "r": 52,
    "g": 120,
    "b": 171
  },
  "hsl": {
    "h": 205.714,
    "s": 53.363,
    "l": 43.725
  },
  "oklch": {
    "l": 0.55257,
    "c": 0.10493,
    "h": 244.1
  },
  "luminance": 0.17103
}

Semantic roles & 50–950 ramp

primary

#3478AB

secondary

#C29879

accent

#894BDD

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #3478AB

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

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