#3577A4#3577A4

#3577A4 is a mid, moderate cyan. Relative luminance 0.166; OKLCH L 54.7% C 0.097 H 241.5°. Best body text is #FFFFFF at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#3577A4
RGB	rgb(53, 119, 164)
HSL	hsl(204, 51%, 43%)
HSV	hsv(204, 68%, 64%)
CMYK	cmyk(67.7%, 27.4%, 0%, 35.7%)
CIE-LAB	lab(47.79, -6.18, -30.27)
CIE-LCH	lch(47.79, 30.89, 258.46°)
OKLab	oklab(54.68% -0.0463 -0.0853)
OKLCH	oklch(54.68% 0.097 241.5)
XYZ	xyz(14.7633, 16.6293, 37.5465)
Luminance	0.1663 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3577A4 #A46235

analogous

#35A499 #3577A4 #3540A4

triadic

#3577A4 #A43577 #77A435

tetradic

#3577A4 #9935A4 #A46235 #40A435

square

#3577A4 #9935A4 #A46235 #40A435

split-complementary

#3577A4 #A43540 #A49935

monochromatic

#173447 #265576 #3577A4 #5096C6 #7EB2D5

Accessibility & contrast

On white

4.85

#3577A4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.33

#3577A4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3577A4

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3577A4	#FFFFFF	#000000	##FFFFFF
##3577A4	1.00	4.85	4.33	4.85
#FFFFFF	4.85	1.00	21.00	1.00
#000000	4.33	21.00	1.00	21.00
##FFFFFF	4.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6377A6

Deuteranopia (green-blind)

#536DA3

Tritanopia (blue-blind)

#008287

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3577a4;
/* rgb */ color: rgb(53, 119, 164);
/* oklch */ color: oklch(54.7% 0.097 241.5);

Tailwind

colors: {
  custom: {
    50: '#799ebf',
    500: '#3577a4',
    950: '#000000',
  },
}

SCSS

$custom: #3577a4;
$custom-light: #799ebf;
$custom-dark: #000000;

JSON

{
  "hex": "#3577a4",
  "rgb": {
    "r": 53,
    "g": 119,
    "b": 164
  },
  "hsl": {
    "h": 204.324,
    "s": 51.152,
    "l": 42.549
  },
  "oklch": {
    "l": 0.54685,
    "c": 0.09706,
    "h": 241.5
  },
  "luminance": 0.16631
}

Semantic roles & 50–950 ramp

primary

#3577A4

secondary

#BE9476

accent

#874DDB

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #3577A4

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

Preview Lab → · Contrast checker → · Palette generator →