#3777A2#3777A2

#3777A2 is a mid, moderate cyan. Relative luminance 0.166; OKLCH L 54.7% C 0.094 H 240.9°. Best body text is #FFFFFF at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#3777A2
RGB	rgb(55, 119, 162)
HSL	hsl(204, 49%, 43%)
HSV	hsv(204, 66%, 64%)
CMYK	cmyk(66%, 26.5%, 0%, 36.5%)
CIE-LAB	lab(47.77, -6.53, -29.12)
CIE-LCH	lch(47.77, 29.85, 257.36°)
OKLab	oklab(54.66% -0.0457 -0.0819)
OKLCH	oklch(54.66% 0.094 240.9)
XYZ	xyz(14.6915, 16.6130, 36.6078)
Luminance	0.1661 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3777A2 #A26237

analogous

#37A297 #3777A2 #3742A2

triadic

#3777A2 #A23777 #77A237

tetradic

#3777A2 #9737A2 #A26237 #42A237

square

#3777A2 #9737A2 #A26237 #42A237

split-complementary

#3777A2 #A23742 #A29737

monochromatic

#183447 #275574 #3777A2 #5296C4 #80B2D4

Accessibility & contrast

On white

4.86

#3777A2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.32

#3777A2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3777A2

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3777A2	#FFFFFF	#000000	##FFFFFF
##3777A2	1.00	4.86	4.32	4.86
#FFFFFF	4.86	1.00	21.00	1.00
#000000	4.32	21.00	1.00	21.00
##FFFFFF	4.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6377A4

Deuteranopia (green-blind)

#556DA1

Tritanopia (blue-blind)

#008286

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3777a2;
/* rgb */ color: rgb(55, 119, 162);
/* oklch */ color: oklch(54.7% 0.094 240.9);

Tailwind

colors: {
  custom: {
    50: '#799ebd',
    500: '#3777a2',
    950: '#000000',
  },
}

SCSS

$custom: #3777a2;
$custom-light: #799ebd;
$custom-dark: #000000;

JSON

{
  "hex": "#3777a2",
  "rgb": {
    "r": 55,
    "g": 119,
    "b": 162
  },
  "hsl": {
    "h": 204.112,
    "s": 49.309,
    "l": 42.549
  },
  "oklch": {
    "l": 0.54658,
    "c": 0.09381,
    "h": 240.9
  },
  "luminance": 0.16615
}

Semantic roles & 50–950 ramp

primary

#3777A2

secondary

#BD9478

accent

#864FD9

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #3777A2

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

Preview Lab → · Contrast checker → · Palette generator →