#3675CC#3675CC

#3675CC is a mid, vivid cyan. Relative luminance 0.179; OKLCH L 56.6% C 0.149 H 257.2°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#3675CC
RGB	rgb(54, 117, 204)
HSL	hsl(215, 60%, 51%)
HSV	hsv(215, 74%, 80%)
CMYK	cmyk(73.5%, 42.6%, 0%, 20%)
CIE-LAB	lab(49.33, 9.61, -50.94)
CIE-LCH	lch(49.33, 51.84, 280.68°)
OKLab	oklab(56.59% -0.0331 -0.1457)
OKLCH	oklch(56.59% 0.149 257.2)
XYZ	xyz(18.7777, 17.8644, 59.5736)
Luminance	0.1787 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3675CC #CC8D36

analogous

#36C0CC #3675CC #4236CC

triadic

#3675CC #CC3675 #75CC36

tetradic

#3675CC #CC36C0 #CC8D36 #36CC42

square

#3675CC #CC36C0 #CC8D36 #36CC42

split-complementary

#3675CC #CC4236 #C0CC36

monochromatic

#1B3D6C #28599D #3675CC #6797D8 #98B8E5

Accessibility & contrast

On white

4.59

#3675CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.57

#3675CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3675CC

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3675CC	#FFFFFF	#000000	##FFFFFF
##3675CC	1.00	4.59	4.57	4.59
#FFFFFF	4.59	1.00	21.00	1.00
#000000	4.57	21.00	1.00	21.00
##FFFFFF	4.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A7DCF

Deuteranopia (green-blind)

#306FCA

Tritanopia (blue-blind)

#008996

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3675cc;
/* rgb */ color: rgb(54, 117, 204);
/* oklch */ color: oklch(56.6% 0.149 257.2);

Tailwind

colors: {
  custom: {
    50: '#809cdc',
    500: '#3675cc',
    950: '#000000',
  },
}

SCSS

$custom: #3675cc;
$custom-light: #809cdc;
$custom-dark: #000000;

JSON

{
  "hex": "#3675cc",
  "rgb": {
    "r": 54,
    "g": 117,
    "b": 204
  },
  "hsl": {
    "h": 214.8,
    "s": 59.524,
    "l": 50.588
  },
  "oklch": {
    "l": 0.56586,
    "c": 0.1494,
    "h": 257.2
  },
  "luminance": 0.17866
}

Semantic roles & 50–950 ramp

primary

#3675CC

secondary

#D0B48E

accent

#A145E3

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3675CC

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

Preview Lab → · Contrast checker → · Palette generator →