#3370A5#3370A5

#3370A5 is a mid, moderate cyan. Relative luminance 0.150; OKLCH L 53.0% C 0.105 H 247.5°. Best body text is #FFFFFF at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#3370A5
RGB	rgb(51, 112, 165)
HSL	hsl(208, 53%, 42%)
HSV	hsv(208, 69%, 65%)
CMYK	cmyk(69.1%, 32.1%, 0%, 35.3%)
CIE-LAB	lab(45.64, -1.97, -34.22)
CIE-LCH	lch(45.64, 34.28, 266.70°)
OKLab	oklab(52.99% -0.04 -0.0969)
OKLCH	oklch(52.99% 0.105 247.5)
XYZ	xyz(13.9484, 15.0073, 37.7516)
Luminance	0.1501 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3370A5 #A56833

analogous

#33A5A1 #3370A5 #3337A5

triadic

#3370A5 #A53370 #70A533

tetradic

#3370A5 #A133A5 #A56833 #37A533

square

#3370A5 #A133A5 #A56833 #37A533

split-complementary

#3370A5 #A53337 #A5A133

monochromatic

#163148 #255076 #3370A5 #4D8FC8 #7CACD6

Accessibility & contrast

On white

5.25

#3370A5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.00

#3370A5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3370A5

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3370A5	#FFFFFF	#000000	##FFFFFF
##3370A5	1.00	5.25	4.00	5.25
#FFFFFF	5.25	1.00	21.00	1.00
#000000	4.00	21.00	1.00	21.00
##FFFFFF	5.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5872A7

Deuteranopia (green-blind)

#4967A4

Tritanopia (blue-blind)

#007D83

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #3370a5;
/* rgb */ color: rgb(51, 112, 165);
/* oklch */ color: oklch(53.0% 0.105 247.5);

Tailwind

colors: {
  custom: {
    50: '#7898c0',
    500: '#3370a5',
    950: '#000000',
  },
}

SCSS

$custom: #3370a5;
$custom-light: #7898c0;
$custom-dark: #000000;

JSON

{
  "hex": "#3370a5",
  "rgb": {
    "r": 51,
    "g": 112,
    "b": 165
  },
  "hsl": {
    "h": 207.895,
    "s": 52.778,
    "l": 42.353
  },
  "oklch": {
    "l": 0.52988,
    "c": 0.10481,
    "h": 247.5
  },
  "luminance": 0.15009
}

Semantic roles & 50–950 ramp

primary

#3370A5

secondary

#BF9775

accent

#8F4CDC

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#0A0D12

muted

#7C7E81

Preview Lab

Preview with #3370A5

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

Preview Lab → · Contrast checker → · Palette generator →