#3370A8#3370A8

#3370A8 is a mid, moderate cyan. Relative luminance 0.151; OKLCH L 53.2% C 0.109 H 248.9°. Best body text is #FFFFFF at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#3370A8
RGB	rgb(51, 112, 168)
HSL	hsl(209, 53%, 43%)
HSV	hsv(209, 70%, 66%)
CMYK	cmyk(69.6%, 33.3%, 0%, 34.1%)
CIE-LAB	lab(45.80, -0.90, -35.74)
CIE-LCH	lch(45.80, 35.75, 268.57°)
OKLab	oklab(53.16% -0.0391 -0.1013)
OKLCH	oklch(53.16% 0.109 248.9)
XYZ	xyz(14.2246, 15.1178, 39.2066)
Luminance	0.1512 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3370A8 #A86B33

analogous

#33A8A5 #3370A8 #3335A8

triadic

#3370A8 #A83370 #70A833

tetradic

#3370A8 #A533A8 #A86B33 #35A833

square

#3370A8 #A533A8 #A86B33 #35A833

split-complementary

#3370A8 #A83335 #A8A533

monochromatic

#16314A #255179 #3370A8 #4F8FC9 #7EADD8

Accessibility & contrast

On white

5.22

#3370A8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.02

#3370A8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3370A8

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3370A8	#FFFFFF	#000000	##FFFFFF
##3370A8	1.00	5.22	4.02	5.22
#FFFFFF	5.22	1.00	21.00	1.00
#000000	4.02	21.00	1.00	21.00
##FFFFFF	5.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5773AA

Deuteranopia (green-blind)

#4767A7

Tritanopia (blue-blind)

#007D84

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #3370a8;
/* rgb */ color: rgb(51, 112, 168);
/* oklch */ color: oklch(53.2% 0.109 248.9);

Tailwind

colors: {
  custom: {
    50: '#7898c2',
    500: '#3370a8',
    950: '#000000',
  },
}

SCSS

$custom: #3370a8;
$custom-light: #7898c2;
$custom-dark: #000000;

JSON

{
  "hex": "#3370a8",
  "rgb": {
    "r": 51,
    "g": 112,
    "b": 168
  },
  "hsl": {
    "h": 208.718,
    "s": 53.425,
    "l": 42.941
  },
  "oklch": {
    "l": 0.53156,
    "c": 0.10859,
    "h": 248.9
  },
  "luminance": 0.15119
}

Semantic roles & 50–950 ramp

primary

#3370A8

secondary

#C19A76

accent

#914BDD

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#0A0D12

muted

#7C7E81

Preview Lab

Preview with #3370A8

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

Preview Lab → · Contrast checker → · Palette generator →