#3774B0#3774B0

#3774B0 is a mid, moderate cyan. Relative luminance 0.164; OKLCH L 54.7% C 0.113 H 250.3°. Best body text is #FFFFFF at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#3774B0
RGB	rgb(55, 116, 176)
HSL	hsl(210, 52%, 45%)
HSV	hsv(210, 69%, 69%)
CMYK	cmyk(68.8%, 34.1%, 0%, 31%)
CIE-LAB	lab(47.54, 0.19, -37.65)
CIE-LCH	lch(47.54, 37.65, 270.29°)
OKLab	oklab(54.7% -0.0382 -0.1068)
OKLCH	oklch(54.7% 0.113 250.3)
XYZ	xyz(15.6545, 16.4360, 43.4133)
Luminance	0.1644 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3774B0 #B07337

analogous

#37B0AF #3774B0 #3737B0

triadic

#3774B0 #B03774 #74B037

tetradic

#3774B0 #AF37B0 #B07337 #37B037

square

#3774B0 #AF37B0 #B07337 #37B037

split-complementary

#3774B0 #B03737 #B0AF37

monochromatic

#1A3753 #285581 #3774B0 #5993CB #88B1DA

Accessibility & contrast

On white

4.90

#3774B0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.29

#3774B0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3774B0

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3774B0	#FFFFFF	#000000	##FFFFFF
##3774B0	1.00	4.90	4.29	4.90
#FFFFFF	4.90	1.00	21.00	1.00
#000000	4.29	21.00	1.00	21.00
##FFFFFF	4.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5977B3

Deuteranopia (green-blind)

#486CAF

Tritanopia (blue-blind)

#00828A

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3774b0;
/* rgb */ color: rgb(55, 116, 176);
/* oklch */ color: oklch(54.7% 0.113 250.3);

Tailwind

colors: {
  custom: {
    50: '#7b9bc8',
    500: '#3774b0',
    950: '#000000',
  },
}

SCSS

$custom: #3774b0;
$custom-light: #7b9bc8;
$custom-dark: #000000;

JSON

{
  "hex": "#3774b0",
  "rgb": {
    "r": 55,
    "g": 116,
    "b": 176
  },
  "hsl": {
    "h": 209.752,
    "s": 52.381,
    "l": 45.294
  },
  "oklch": {
    "l": 0.54701,
    "c": 0.11337,
    "h": 250.3
  },
  "luminance": 0.16438
}

Semantic roles & 50–950 ramp

primary

#3774B0

secondary

#C4A17F

accent

#934CDC

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #3774B0

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

Preview Lab → · Contrast checker → · Palette generator →