#3670BA#3670BA

#3670BA is a mid, vivid cyan. Relative luminance 0.159; OKLCH L 54.3% C 0.131 H 255.7°. Best body text is #FFFFFF at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#3670BA
RGB	rgb(54, 112, 186)
HSL	hsl(214, 55%, 47%)
HSV	hsv(214, 71%, 73%)
CMYK	cmyk(71%, 39.8%, 0%, 27.1%)
CIE-LAB	lab(46.86, 6.12, -44.53)
CIE-LCH	lch(46.86, 44.95, 277.82°)
OKLab	oklab(54.34% -0.0323 -0.1269)
OKLCH	oklch(54.34% 0.131 255.7)
XYZ	xyz(16.1752, 15.9160, 48.6645)
Luminance	0.1592 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3670BA #BA8036

analogous

#36B2BA #3670BA #3E36BA

triadic

#3670BA #BA3670 #70BA36

tetradic

#3670BA #BA36B2 #BA8036 #36BA3E

square

#3670BA #BA36B2 #BA8036 #36BA3E

split-complementary

#3670BA #BA3E36 #B2BA36

monochromatic

#1A375B #28538B #3670BA #5D90D0 #8DB0DE

Accessibility & contrast

On white

5.02

#3670BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.18

#3670BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3670BA

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3670BA	#FFFFFF	#000000	##FFFFFF
##3670BA	1.00	5.02	4.18	5.02
#FFFFFF	5.02	1.00	21.00	1.00
#000000	4.18	21.00	1.00	21.00
##FFFFFF	5.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E76BD

Deuteranopia (green-blind)

#3969B9

Tritanopia (blue-blind)

#00818C

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #3670ba;
/* rgb */ color: rgb(54, 112, 186);
/* oklch */ color: oklch(54.3% 0.131 255.7);

Tailwind

colors: {
  custom: {
    50: '#7d98cf',
    500: '#3670ba',
    950: '#000000',
  },
}

SCSS

$custom: #3670ba;
$custom-light: #7d98cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3670ba",
  "rgb": {
    "r": 54,
    "g": 112,
    "b": 186
  },
  "hsl": {
    "h": 213.636,
    "s": 55,
    "l": 47.059
  },
  "oklch": {
    "l": 0.54336,
    "c": 0.13101,
    "h": 255.7
  },
  "luminance": 0.15918
}

Semantic roles & 50–950 ramp

primary

#3670BA

secondary

#C8AA84

accent

#9D49DE

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #3670BA

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

Preview Lab → · Contrast checker → · Palette generator →