#3670BF#3670BF

#3670BF is a mid, vivid cyan. Relative luminance 0.161; OKLCH L 54.6% C 0.138 H 256.9°. Best body text is #FFFFFF at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#3670BF
RGB	rgb(54, 112, 191)
HSL	hsl(215, 56%, 48%)
HSV	hsv(215, 72%, 75%)
CMYK	cmyk(71.7%, 41.4%, 0%, 25.1%)
CIE-LAB	lab(47.15, 7.95, -46.97)
CIE-LCH	lch(47.15, 47.63, 279.60°)
OKLab	oklab(54.65% -0.0312 -0.1341)
OKLCH	oklch(54.65% 0.138 256.9)
XYZ	xyz(16.7160, 16.1324, 51.5130)
Luminance	0.1613 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3670BF #BF8536

analogous

#36B4BF #3670BF #4136BF

triadic

#3670BF #BF3670 #70BF36

tetradic

#3670BF #BF36B4 #BF8536 #36BF41

square

#3670BF #BF36B4 #BF8536 #36BF41

split-complementary

#3670BF #BF4136 #B4BF36

monochromatic

#1B3860 #29548F #3670BF #6090D2 #90B2E0

Accessibility & contrast

On white

4.97

#3670BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.23

#3670BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3670BF

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3670BF	#FFFFFF	#000000	##FFFFFF
##3670BF	1.00	4.97	4.23	4.97
#FFFFFF	4.97	1.00	21.00	1.00
#000000	4.23	21.00	1.00	21.00
##FFFFFF	4.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B77C2

Deuteranopia (green-blind)

#346ABD

Tritanopia (blue-blind)

#00828E

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #3670bf;
/* rgb */ color: rgb(54, 112, 191);
/* oklch */ color: oklch(54.6% 0.138 256.9);

Tailwind

colors: {
  custom: {
    50: '#7e98d3',
    500: '#3670bf',
    950: '#000000',
  },
}

SCSS

$custom: #3670bf;
$custom-light: #7e98d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3670bf",
  "rgb": {
    "r": 54,
    "g": 112,
    "b": 191
  },
  "hsl": {
    "h": 214.599,
    "s": 55.918,
    "l": 48.039
  },
  "oklch": {
    "l": 0.54648,
    "c": 0.1377,
    "h": 256.9
  },
  "luminance": 0.16134
}

Semantic roles & 50–950 ramp

primary

#3670BF

secondary

#CAAE87

accent

#9F49DF

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0D14

muted

#7C7E83

Preview Lab

Preview with #3670BF

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

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