#3775AA#3775AA

#3775AA is a mid, moderate cyan. Relative luminance 0.164; OKLCH L 54.6% C 0.105 H 247.0°. Best body text is #FFFFFF at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#3775AA
RGB	rgb(55, 117, 170)
HSL	hsl(208, 51%, 44%)
HSV	hsv(208, 68%, 67%)
CMYK	cmyk(67.6%, 31.2%, 0%, 33.3%)
CIE-LAB	lab(47.54, -2.55, -34.16)
CIE-LCH	lch(47.54, 34.25, 265.74°)
OKLab	oklab(54.6% -0.0409 -0.0966)
OKLCH	oklch(54.6% 0.105 247)
XYZ	xyz(15.1898, 16.4355, 40.3943)
Luminance	0.1644 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3775AA #AA6C37

analogous

#37AAA6 #3775AA #373CAA

triadic

#3775AA #AA3775 #75AA37

tetradic

#3775AA #A637AA #AA6C37 #3CAA37

square

#3775AA #A637AA #AA6C37 #3CAA37

split-complementary

#3775AA #AA373C #AAA637

monochromatic

#19354E #28557C #3775AA #5694C8 #84B1D7

Accessibility & contrast

On white

4.90

#3775AA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.29

#3775AA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3775AA

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3775AA	#FFFFFF	#000000	##FFFFFF
##3775AA	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)

#5E77AC

Deuteranopia (green-blind)

#4E6CA9

Tritanopia (blue-blind)

#008288

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3775aa;
/* rgb */ color: rgb(55, 117, 170);
/* oklch */ color: oklch(54.6% 0.105 247.0);

Tailwind

colors: {
  custom: {
    50: '#7a9cc3',
    500: '#3775aa',
    950: '#000000',
  },
}

SCSS

$custom: #3775aa;
$custom-light: #7a9cc3;
$custom-dark: #000000;

JSON

{
  "hex": "#3775aa",
  "rgb": {
    "r": 55,
    "g": 117,
    "b": 170
  },
  "hsl": {
    "h": 207.652,
    "s": 51.111,
    "l": 44.118
  },
  "oklch": {
    "l": 0.54602,
    "c": 0.10488,
    "h": 247
  },
  "luminance": 0.16437
}

Semantic roles & 50–950 ramp

primary

#3775AA

secondary

#C19C7C

accent

#8E4DDB

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #3775AA

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

Preview Lab → · Contrast checker → · Palette generator →