#3679CC#3679CC

#3679CC is a mid, vivid cyan. Relative luminance 0.188; OKLCH L 57.5% C 0.145 H 255.4°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#3679CC
RGB	rgb(54, 121, 204)
HSL	hsl(213, 60%, 51%)
HSV	hsv(213, 74%, 80%)
CMYK	cmyk(73.5%, 40.7%, 0%, 20%)
CIE-LAB	lab(50.47, 7.13, -49.12)
CIE-LCH	lch(50.47, 49.63, 278.26°)
OKLab	oklab(57.47% -0.0366 -0.1403)
OKLCH	oklch(57.47% 0.145 255.4)
XYZ	xyz(19.2538, 18.8165, 59.7323)
Luminance	0.1882 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3679CC #CC8936

analogous

#36C4CC #3679CC #3E36CC

triadic

#3679CC #CC3679 #79CC36

tetradic

#3679CC #CC36C4 #CC8936 #36CC3E

square

#3679CC #CC36C4 #CC8936 #36CC3E

split-complementary

#3679CC #CC3E36 #C4CC36

monochromatic

#1B3F6C #285C9D #3679CC #679AD8 #98BAE5

Accessibility & contrast

On white

4.41

#3679CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.76

#3679CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3679CC

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3679CC	#FFFFFF	#000000	##000000
##3679CC	1.00	4.41	4.76	4.76
#FFFFFF	4.41	1.00	21.00	21.00
#000000	4.76	21.00	1.00	1.00
##000000	4.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5180CF

Deuteranopia (green-blind)

#3972CA

Tritanopia (blue-blind)

#008C98

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #3679cc;
/* rgb */ color: rgb(54, 121, 204);
/* oklch */ color: oklch(57.5% 0.145 255.4);

Tailwind

colors: {
  custom: {
    50: '#809fdc',
    500: '#3679cc',
    950: '#000000',
  },
}

SCSS

$custom: #3679cc;
$custom-light: #809fdc;
$custom-dark: #000000;

JSON

{
  "hex": "#3679cc",
  "rgb": {
    "r": 54,
    "g": 121,
    "b": 204
  },
  "hsl": {
    "h": 213.2,
    "s": 59.524,
    "l": 50.588
  },
  "oklch": {
    "l": 0.57471,
    "c": 0.14498,
    "h": 255.4
  },
  "luminance": 0.18819
}

Semantic roles & 50–950 ramp

primary

#3679CC

secondary

#D0B28E

accent

#9C45E3

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3679CC

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

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