#3775D6#3775D6

#3775D6 is a mid, vivid blue. Relative luminance 0.184; OKLCH L 57.3% C 0.162 H 259.2°. Best body text is #000000 at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#3775D6
RGB	rgb(55, 117, 214)
HSL	hsl(217, 66%, 53%)
HSV	hsv(217, 74%, 84%)
CMYK	cmyk(74.3%, 45.3%, 0%, 16.1%)
CIE-LAB	lab(49.96, 13.42, -55.61)
CIE-LCH	lch(49.96, 57.21, 283.57°)
OKLab	oklab(57.28% -0.0305 -0.1594)
OKLCH	oklch(57.28% 0.162 259.2)
XYZ	xyz(20.0700, 18.3876, 66.0967)
Luminance	0.1839 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3775D6 #D69837

analogous

#37C4D6 #3775D6 #4937D6

triadic

#3775D6 #D63775 #75D637

tetradic

#3775D6 #D637C4 #D69837 #37D649

square

#3775D6 #D637C4 #D69837 #37D649

split-complementary

#3775D6 #D64937 #C4D637

monochromatic

#193F7A #2359AC #3775D6 #6A98E0 #9DBBEB

Accessibility & contrast

On white

4.49

#3775D6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.68

#3775D6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3775D6

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3775D6	#FFFFFF	#000000	##000000
##3775D6	1.00	4.49	4.68	4.68
#FFFFFF	4.49	1.00	21.00	21.00
#000000	4.68	21.00	1.00	1.00
##000000	4.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#427FDA

Deuteranopia (green-blind)

#1F70D4

Tritanopia (blue-blind)

#008C9B

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #3775d6;
/* rgb */ color: rgb(55, 117, 214);
/* oklch */ color: oklch(57.3% 0.162 259.2);

Tailwind

colors: {
  custom: {
    50: '#839ce3',
    500: '#3775d6',
    950: '#000000',
  },
}

SCSS

$custom: #3775d6;
$custom-light: #839ce3;
$custom-dark: #000000;

JSON

{
  "hex": "#3775d6",
  "rgb": {
    "r": 55,
    "g": 117,
    "b": 214
  },
  "hsl": {
    "h": 216.604,
    "s": 65.975,
    "l": 52.745
  },
  "oklch": {
    "l": 0.57277,
    "c": 0.16232,
    "h": 259.2
  },
  "luminance": 0.1839
}

Semantic roles & 50–950 ramp

primary

#3775D6

secondary

#D7BC92

accent

#A73FE9

background

#F8F9FE

surface

#F0F2FC

border

#CBCCD5

text

#0C0E15

muted

#7D7E84

Preview Lab

Preview with #3775D6

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

Preview Lab → · Contrast checker → · Palette generator →