#3774D7#3774D7

#3774D7 is a mid, vivid blue. Relative luminance 0.182; OKLCH L 57.1% C 0.165 H 259.7°. Best body text is #000000 at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#3774D7
RGB	rgb(55, 116, 215)
HSL	hsl(217, 67%, 53%)
HSV	hsv(217, 74%, 84%)
CMYK	cmyk(74.4%, 46%, 0%, 15.7%)
CIE-LAB	lab(49.75, 14.41, -56.53)
CIE-LCH	lch(49.75, 58.34, 284.30°)
OKLab	oklab(57.13% -0.0295 -0.1621)
OKLCH	oklch(57.13% 0.165 259.7)
XYZ	xyz(20.0822, 18.2070, 66.7327)
Luminance	0.1821 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3774D7 #D79A37

analogous

#37C4D7 #3774D7 #4A37D7

triadic

#3774D7 #D73774 #74D737

tetradic

#3774D7 #D737C4 #D79A37 #37D74A

square

#3774D7 #D737C4 #D79A37 #37D74A

split-complementary

#3774D7 #D74A37 #C4D737

monochromatic

#193E7B #2358AE #3774D7 #6A97E1 #9DBBEB

Accessibility & contrast

On white

4.52

#3774D7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.64

#3774D7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3774D7

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3774D7	#FFFFFF	#000000	##000000
##3774D7	1.00	4.52	4.64	4.64
#FFFFFF	4.52	1.00	21.00	21.00
#000000	4.64	21.00	1.00	1.00
##000000	4.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F7EDB

Deuteranopia (green-blind)

#196FD5

Tritanopia (blue-blind)

#008B9B

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3774d7;
/* rgb */ color: rgb(55, 116, 215);
/* oklch */ color: oklch(57.1% 0.165 259.7);

Tailwind

colors: {
  custom: {
    50: '#839be4',
    500: '#3774d7',
    950: '#000000',
  },
}

SCSS

$custom: #3774d7;
$custom-light: #839be4;
$custom-dark: #000000;

JSON

{
  "hex": "#3774d7",
  "rgb": {
    "r": 55,
    "g": 116,
    "b": 215
  },
  "hsl": {
    "h": 217.125,
    "s": 66.667,
    "l": 52.941
  },
  "oklch": {
    "l": 0.57129,
    "c": 0.1648,
    "h": 259.7
  },
  "luminance": 0.18209
}

Semantic roles & 50–950 ramp

primary

#3774D7

secondary

#D7BD92

accent

#A83EEA

background

#F8F9FE

surface

#F0F2FC

border

#CBCCD5

text

#0C0E16

muted

#7D7E84

Preview Lab

Preview with #3774D7

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

Preview Lab → · Contrast checker → · Palette generator →