#3370BA#3370BA

#3370BA is a mid, vivid cyan. Relative luminance 0.158; OKLCH L 54.2% C 0.132 H 254.9°. Best body text is #FFFFFF at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#3370BA
RGB	rgb(51, 112, 186)
HSL	hsl(213, 57%, 46%)
HSV	hsv(213, 73%, 73%)
CMYK	cmyk(72.6%, 39.8%, 0%, 27.1%)
CIE-LAB	lab(46.76, 5.68, -44.70)
CIE-LCH	lch(46.76, 45.06, 277.24°)
OKLab	oklab(54.22% -0.0344 -0.1275)
OKLCH	oklch(54.22% 0.132 254.9)
XYZ	xyz(16.0191, 15.8356, 48.6572)
Luminance	0.1584 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3370BA #BA7D33

analogous

#33B4BA #3370BA #3A33BA

triadic

#3370BA #BA3370 #70BA33

tetradic

#3370BA #BA33B4 #BA7D33 #33BA3A

square

#3370BA #BA33B4 #BA7D33 #33BA3A

split-complementary

#3370BA #BA3A33 #B4BA33

monochromatic

#19365A #26538A #3370BA #598FD1 #89B0DF

Accessibility & contrast

On white

5.04

#3370BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.17

#3370BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3370BA

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3370BA	#FFFFFF	#000000	##FFFFFF
##3370BA	1.00	5.04	4.17	5.04
#FFFFFF	5.04	1.00	21.00	1.00
#000000	4.17	21.00	1.00	21.00
##FFFFFF	5.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D76BD

Deuteranopia (green-blind)

#3869B9

Tritanopia (blue-blind)

#00818C

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #3370ba;
/* rgb */ color: rgb(51, 112, 186);
/* oklch */ color: oklch(54.2% 0.132 254.9);

Tailwind

colors: {
  custom: {
    50: '#7c98cf',
    500: '#3370ba',
    950: '#000000',
  },
}

SCSS

$custom: #3370ba;
$custom-light: #7c98cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3370ba",
  "rgb": {
    "r": 51,
    "g": 112,
    "b": 186
  },
  "hsl": {
    "h": 212.889,
    "s": 56.962,
    "l": 46.471
  },
  "oklch": {
    "l": 0.54224,
    "c": 0.13207,
    "h": 254.9
  },
  "luminance": 0.15837
}

Semantic roles & 50–950 ramp

primary

#3370BA

secondary

#C9A880

accent

#9B48E0

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #3370BA

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

Preview Lab → · Contrast checker → · Palette generator →