#3675BC#3675BC

#3675BC is a mid, vivid cyan. Relative luminance 0.171; OKLCH L 55.6% C 0.128 H 253.4°. Best body text is #FFFFFF at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#3675BC
RGB	rgb(54, 117, 188)
HSL	hsl(212, 55%, 47%)
HSV	hsv(212, 71%, 74%)
CMYK	cmyk(71.3%, 37.8%, 0%, 26.3%)
CIE-LAB	lab(48.43, 3.75, -43.19)
CIE-LCH	lch(48.43, 43.36, 274.97°)
OKLab	oklab(55.59% -0.0366 -0.123)
OKLCH	oklch(55.59% 0.128 253.4)
XYZ	xyz(16.9564, 17.1359, 49.9811)
Luminance	0.1714 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3675BC #BC7D36

analogous

#36B8BC #3675BC #3A36BC

triadic

#3675BC #BC3675 #75BC36

tetradic

#3675BC #BC36B8 #BC7D36 #36BC3A

square

#3675BC #BC36B8 #BC7D36 #36BC3A

split-complementary

#3675BC #BC3A36 #B8BC36

monochromatic

#1B3A5D #28578C #3675BC #5E94D1 #8EB4DF

Accessibility & contrast

On white

4.74

#3675BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.43

#3675BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3675BC

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3675BC	#FFFFFF	#000000	##FFFFFF
##3675BC	1.00	4.74	4.43	4.74
#FFFFFF	4.74	1.00	21.00	1.00
#000000	4.43	21.00	1.00	21.00
##FFFFFF	4.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#557ABF

Deuteranopia (green-blind)

#406DBB

Tritanopia (blue-blind)

#00868F

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3675bc;
/* rgb */ color: rgb(54, 117, 188);
/* oklch */ color: oklch(55.6% 0.128 253.4);

Tailwind

colors: {
  custom: {
    50: '#7d9cd0',
    500: '#3675bc',
    950: '#000000',
  },
}

SCSS

$custom: #3675bc;
$custom-light: #7d9cd0;
$custom-dark: #000000;

JSON

{
  "hex": "#3675bc",
  "rgb": {
    "r": 54,
    "g": 117,
    "b": 188
  },
  "hsl": {
    "h": 211.791,
    "s": 55.372,
    "l": 47.451
  },
  "oklch": {
    "l": 0.55593,
    "c": 0.12832,
    "h": 253.4
  },
  "luminance": 0.17138
}

Semantic roles & 50–950 ramp

primary

#3675BC

secondary

#C9A985

accent

#9849DF

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3675BC

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

Preview Lab → · Contrast checker → · Palette generator →