#3577A3#3577A3

#3577A3 is a mid, moderate cyan. Relative luminance 0.166; OKLCH L 54.6% C 0.096 H 240.9°. Best body text is #FFFFFF at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#3577A3
RGB	rgb(53, 119, 163)
HSL	hsl(204, 51%, 42%)
HSV	hsv(204, 67%, 64%)
CMYK	cmyk(67.5%, 27%, 0%, 36.1%)
CIE-LAB	lab(47.74, -6.53, -29.75)
CIE-LCH	lch(47.74, 30.46, 257.62°)
OKLab	oklab(54.63% -0.0467 -0.0838)
OKLCH	oklch(54.63% 0.096 240.9)
XYZ	xyz(14.6734, 16.5933, 37.0728)
Luminance	0.1659 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3577A3 #A36135

analogous

#35A398 #3577A3 #3540A3

triadic

#3577A3 #A33577 #77A335

tetradic

#3577A3 #9835A3 #A36135 #40A335

square

#3577A3 #9835A3 #A36135 #40A335

split-complementary

#3577A3 #A33540 #A39835

monochromatic

#173447 #265575 #3577A3 #4F96C6 #7EB2D5

Accessibility & contrast

On white

4.86

#3577A3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.32

#3577A3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3577A3

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3577A3	#FFFFFF	#000000	##FFFFFF
##3577A3	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)

#6377A5

Deuteranopia (green-blind)

#546CA2

Tritanopia (blue-blind)

#008286

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3577a3;
/* rgb */ color: rgb(53, 119, 163);
/* oklch */ color: oklch(54.6% 0.096 240.9);

Tailwind

colors: {
  custom: {
    50: '#799ebe',
    500: '#3577a3',
    950: '#000000',
  },
}

SCSS

$custom: #3577a3;
$custom-light: #799ebe;
$custom-dark: #000000;

JSON

{
  "hex": "#3577a3",
  "rgb": {
    "r": 53,
    "g": 119,
    "b": 163
  },
  "hsl": {
    "h": 204,
    "s": 50.926,
    "l": 42.353
  },
  "oklch": {
    "l": 0.54634,
    "c": 0.09592,
    "h": 240.9
  },
  "luminance": 0.16595
}

Semantic roles & 50–950 ramp

primary

#3577A3

secondary

#BE9376

accent

#864DDA

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #3577A3

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

Preview Lab → · Contrast checker → · Palette generator →