#3577AD#3577AD

#3577AD is a mid, moderate cyan. Relative luminance 0.170; OKLCH L 55.2% C 0.108 H 246.2°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#3577AD
RGB	rgb(53, 119, 173)
HSL	hsl(207, 53%, 44%)
HSV	hsv(207, 69%, 68%)
CMYK	cmyk(69.4%, 31.2%, 0%, 32.2%)
CIE-LAB	lab(48.22, -3.01, -34.85)
CIE-LCH	lch(48.22, 34.98, 265.06°)
OKLab	oklab(55.16% -0.0435 -0.0986)
OKLCH	oklch(55.16% 0.108 246.2)
XYZ	xyz(15.6050, 16.9660, 41.9794)
Luminance	0.1697 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3577AD #AD6B35

analogous

#35ADA7 #3577AD #353BAD

triadic

#3577AD #AD3577 #77AD35

tetradic

#3577AD #A735AD #AD6B35 #3BAD35

square

#3577AD #A735AD #AD6B35 #3BAD35

split-complementary

#3577AD #AD353B #ADA735

monochromatic

#18374F #27577E #3577AD #5496CB #83B2D9

Accessibility & contrast

On white

4.78

#3577AD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#3577AD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3577AD

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3577AD	#FFFFFF	#000000	##FFFFFF
##3577AD	1.00	4.78	4.39	4.78
#FFFFFF	4.78	1.00	21.00	1.00
#000000	4.39	21.00	1.00	21.00
##FFFFFF	4.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F79AF

Deuteranopia (green-blind)

#4E6DAC

Tritanopia (blue-blind)

#00848A

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3577ad;
/* rgb */ color: rgb(53, 119, 173);
/* oklch */ color: oklch(55.2% 0.108 246.2);

Tailwind

colors: {
  custom: {
    50: '#7a9ec5',
    500: '#3577ad',
    950: '#000000',
  },
}

SCSS

$custom: #3577ad;
$custom-light: #7a9ec5;
$custom-dark: #000000;

JSON

{
  "hex": "#3577ad",
  "rgb": {
    "r": 53,
    "g": 119,
    "b": 173
  },
  "hsl": {
    "h": 207,
    "s": 53.097,
    "l": 44.314
  },
  "oklch": {
    "l": 0.55164,
    "c": 0.10773,
    "h": 246.2
  },
  "luminance": 0.16968
}

Semantic roles & 50–950 ramp

primary

#3577AD

secondary

#C39B7B

accent

#8D4BDD

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #3577AD

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

Preview Lab → · Contrast checker → · Palette generator →