#3678BE#3678BE

#3678BE is a mid, vivid cyan. Relative luminance 0.179; OKLCH L 56.4% C 0.128 H 252.2°. Best body text is #000000 at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#3678BE
RGB	rgb(54, 120, 190)
HSL	hsl(211, 56%, 48%)
HSV	hsv(211, 72%, 75%)
CMYK	cmyk(71.6%, 36.8%, 0%, 25.5%)
CIE-LAB	lab(49.41, 2.64, -42.78)
CIE-LCH	lch(49.41, 42.87, 273.54°)
OKLab	oklab(56.4% -0.039 -0.1217)
OKLCH	oklch(56.4% 0.128 252.2)
XYZ	xyz(17.5286, 17.9330, 51.2428)
Luminance	0.1794 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3678BE #BE7C36

analogous

#36BCBE #3678BE #3836BE

triadic

#3678BE #BE3678 #78BE36

tetradic

#3678BE #BE36BC #BE7C36 #36BE38

square

#3678BE #BE36BC #BE7C36 #36BE38

split-complementary

#3678BE #BE3836 #BCBE36

monochromatic

#1B3C5F #285A8E #3678BE #6097D2 #8FB6DF

Accessibility & contrast

On white

4.58

#3678BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.59

#3678BE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3678BE

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3678BE	#FFFFFF	#000000	##000000
##3678BE	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)

#587CC1

Deuteranopia (green-blind)

#4470BD

Tritanopia (blue-blind)

#008892

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3678be;
/* rgb */ color: rgb(54, 120, 190);
/* oklch */ color: oklch(56.4% 0.128 252.2);

Tailwind

colors: {
  custom: {
    50: '#7e9ed2',
    500: '#3678be',
    950: '#000000',
  },
}

SCSS

$custom: #3678be;
$custom-light: #7e9ed2;
$custom-dark: #000000;

JSON

{
  "hex": "#3678be",
  "rgb": {
    "r": 54,
    "g": 120,
    "b": 190
  },
  "hsl": {
    "h": 210.882,
    "s": 55.738,
    "l": 47.843
  },
  "oklch": {
    "l": 0.56397,
    "c": 0.12782,
    "h": 252.2
  },
  "luminance": 0.17935
}

Semantic roles & 50–950 ramp

primary

#3678BE

secondary

#CAA986

accent

#9649DF

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3678BE

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

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