#3677CC#3677CC

#3677CC is a mid, vivid cyan. Relative luminance 0.183; OKLCH L 57.0% C 0.147 H 256.3°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#3677CC
RGB	rgb(54, 119, 204)
HSL	hsl(214, 60%, 51%)
HSV	hsv(214, 74%, 80%)
CMYK	cmyk(73.5%, 41.7%, 0%, 20%)
CIE-LAB	lab(49.90, 8.37, -50.03)
CIE-LCH	lch(49.90, 50.72, 279.50°)
OKLab	oklab(57.03% -0.0348 -0.143)
OKLCH	oklch(57.03% 0.147 256.3)
XYZ	xyz(19.0132, 18.3354, 59.6521)
Luminance	0.1834 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3677CC #CC8B36

analogous

#36C2CC #3677CC #4036CC

triadic

#3677CC #CC3677 #77CC36

tetradic

#3677CC #CC36C2 #CC8B36 #36CC40

square

#3677CC #CC36C2 #CC8B36 #36CC40

split-complementary

#3677CC #CC4036 #C2CC36

monochromatic

#1B3E6C #285B9D #3677CC #6798D8 #98B9E5

Accessibility & contrast

On white

4.50

#3677CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.67

#3677CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3677CC

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3677CC	#FFFFFF	#000000	##000000
##3677CC	1.00	4.50	4.67	4.67
#FFFFFF	4.50	1.00	21.00	21.00
#000000	4.67	21.00	1.00	1.00
##000000	4.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E7ECF

Deuteranopia (green-blind)

#3470CA

Tritanopia (blue-blind)

#008B97

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #3677cc;
/* rgb */ color: rgb(54, 119, 204);
/* oklch */ color: oklch(57.0% 0.147 256.3);

Tailwind

colors: {
  custom: {
    50: '#809ddc',
    500: '#3677cc',
    950: '#000000',
  },
}

SCSS

$custom: #3677cc;
$custom-light: #809ddc;
$custom-dark: #000000;

JSON

{
  "hex": "#3677cc",
  "rgb": {
    "r": 54,
    "g": 119,
    "b": 204
  },
  "hsl": {
    "h": 214,
    "s": 59.524,
    "l": 50.588
  },
  "oklch": {
    "l": 0.57027,
    "c": 0.14717,
    "h": 256.3
  },
  "luminance": 0.18338
}

Semantic roles & 50–950 ramp

primary

#3677CC

secondary

#D0B38E

accent

#9E45E3

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3677CC

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

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