#3770A2#3770A2

#3770A2 is a mid, moderate cyan. Relative luminance 0.150; OKLCH L 53.0% C 0.099 H 247.4°. Best body text is #FFFFFF at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#3770A2
RGB	rgb(55, 112, 162)
HSL	hsl(208, 49%, 43%)
HSV	hsv(208, 66%, 64%)
CMYK	cmyk(66%, 30.9%, 0%, 36.5%)
CIE-LAB	lab(45.64, -2.35, -32.45)
CIE-LCH	lch(45.64, 32.53, 265.85°)
OKLab	oklab(52.98% -0.0381 -0.0916)
OKLCH	oklch(52.98% 0.099 247.4)
XYZ	xyz(13.8889, 15.0078, 36.3403)
Luminance	0.1501 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3770A2 #A26937

analogous

#37A29E #3770A2 #373BA2

triadic

#3770A2 #A23770 #70A237

tetradic

#3770A2 #9E37A2 #A26937 #3BA237

square

#3770A2 #9E37A2 #A26937 #3BA237

split-complementary

#3770A2 #A2373B #A29E37

monochromatic

#183147 #275074 #3770A2 #528FC4 #80ACD4

Accessibility & contrast

On white

5.25

#3770A2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.00

#3770A2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3770A2

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3770A2	#FFFFFF	#000000	##FFFFFF
##3770A2	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)

#5A72A4

Deuteranopia (green-blind)

#4B67A1

Tritanopia (blue-blind)

#007C82

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #3770a2;
/* rgb */ color: rgb(55, 112, 162);
/* oklch */ color: oklch(53.0% 0.099 247.4);

Tailwind

colors: {
  custom: {
    50: '#7998be',
    500: '#3770a2',
    950: '#000000',
  },
}

SCSS

$custom: #3770a2;
$custom-light: #7998be;
$custom-dark: #000000;

JSON

{
  "hex": "#3770a2",
  "rgb": {
    "r": 55,
    "g": 112,
    "b": 162
  },
  "hsl": {
    "h": 208.037,
    "s": 49.309,
    "l": 42.549
  },
  "oklch": {
    "l": 0.52981,
    "c": 0.09925,
    "h": 247.4
  },
  "luminance": 0.15009
}

Semantic roles & 50–950 ramp

primary

#3770A2

secondary

#BD9878

accent

#8F4FD9

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#0A0D12

muted

#7C7E81

Preview Lab

Preview with #3770A2

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

Preview Lab → · Contrast checker → · Palette generator →