#3770AE#3770AE

#3770AE is a mid, moderate cyan. Relative luminance 0.155; OKLCH L 53.7% C 0.115 H 252.4°. Best body text is #FFFFFF at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#3770AE
RGB	rgb(55, 112, 174)
HSL	hsl(211, 52%, 45%)
HSV	hsv(211, 68%, 68%)
CMYK	cmyk(68.4%, 35.6%, 0%, 31.8%)
CIE-LAB	lab(46.25, 1.92, -38.52)
CIE-LCH	lch(46.25, 38.57, 272.85°)
OKLab	oklab(53.66% -0.0346 -0.1094)
OKLCH	oklch(53.66% 0.115 252.4)
XYZ	xyz(15.0069, 15.4550, 42.2284)
Luminance	0.1546 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3770AE #AE7537

analogous

#37ABAE #3770AE #3A37AE

triadic

#3770AE #AE3770 #70AE37

tetradic

#3770AE #AE37AB #AE7537 #37AE3A

square

#3770AE #AE37AB #AE7537 #37AE3A

split-complementary

#3770AE #AE3A37 #ABAE37

monochromatic

#1A3451 #28527F #3770AE #588FCA #86AED9

Accessibility & contrast

On white

5.13

#3770AE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.09

#3770AE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3770AE

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3770AE	#FFFFFF	#000000	##FFFFFF
##3770AE	1.00	5.13	4.09	5.13
#FFFFFF	5.13	1.00	21.00	1.00
#000000	4.09	21.00	1.00	21.00
##FFFFFF	5.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5474B1

Deuteranopia (green-blind)

#4468AD

Tritanopia (blue-blind)

#007E87

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #3770ae;
/* rgb */ color: rgb(55, 112, 174);
/* oklch */ color: oklch(53.7% 0.115 252.4);

Tailwind

colors: {
  custom: {
    50: '#7b98c6',
    500: '#3770ae',
    950: '#000000',
  },
}

SCSS

$custom: #3770ae;
$custom-light: #7b98c6;
$custom-dark: #000000;

JSON

{
  "hex": "#3770ae",
  "rgb": {
    "r": 55,
    "g": 112,
    "b": 174
  },
  "hsl": {
    "h": 211.261,
    "s": 51.965,
    "l": 44.902
  },
  "oklch": {
    "l": 0.53656,
    "c": 0.11472,
    "h": 252.4
  },
  "luminance": 0.15457
}

Semantic roles & 50–950 ramp

primary

#3770AE

secondary

#C3A27E

accent

#974CDB

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #3770AE

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

Preview Lab → · Contrast checker → · Palette generator →