#3670BC#3670BC

#3670BC is a mid, vivid cyan. Relative luminance 0.160; OKLCH L 54.5% C 0.134 H 256.2°. Best body text is #FFFFFF at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#3670BC
RGB	rgb(54, 112, 188)
HSL	hsl(214, 55%, 47%)
HSV	hsv(214, 71%, 74%)
CMYK	cmyk(71.3%, 40.4%, 0%, 26.3%)
CIE-LAB	lab(46.98, 6.85, -45.51)
CIE-LCH	lch(46.98, 46.02, 278.56°)
OKLab	oklab(54.46% -0.0319 -0.1298)
OKLCH	oklch(54.46% 0.134 256.2)
XYZ	xyz(16.3893, 16.0017, 49.7921)
Luminance	0.1600 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3670BC #BC8236

analogous

#36B3BC #3670BC #3F36BC

triadic

#3670BC #BC3670 #70BC36

tetradic

#3670BC #BC36B3 #BC8236 #36BC3F

square

#3670BC #BC36B3 #BC8236 #36BC3F

split-complementary

#3670BC #BC3F36 #B3BC36

monochromatic

#1B375D #28548C #3670BC #5E90D1 #8EB1DF

Accessibility & contrast

On white

5.00

#3670BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.20

#3670BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3670BC

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3670BC	#FFFFFF	#000000	##FFFFFF
##3670BC	1.00	5.00	4.20	5.00
#FFFFFF	5.00	1.00	21.00	1.00
#000000	4.20	21.00	1.00	21.00
##FFFFFF	5.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C76BF

Deuteranopia (green-blind)

#376ABA

Tritanopia (blue-blind)

#00828D

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #3670bc;
/* rgb */ color: rgb(54, 112, 188);
/* oklch */ color: oklch(54.5% 0.134 256.2);

Tailwind

colors: {
  custom: {
    50: '#7d98d0',
    500: '#3670bc',
    950: '#000000',
  },
}

SCSS

$custom: #3670bc;
$custom-light: #7d98d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3670bc",
  "rgb": {
    "r": 54,
    "g": 112,
    "b": 188
  },
  "hsl": {
    "h": 214.03,
    "s": 55.372,
    "l": 47.451
  },
  "oklch": {
    "l": 0.5446,
    "c": 0.13368,
    "h": 256.2
  },
  "luminance": 0.16003
}

Semantic roles & 50–950 ramp

primary

#3670BC

secondary

#C9AB85

accent

#9E49DF

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #3670BC

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

Preview Lab → · Contrast checker → · Palette generator →