#3577AF#3577AF

#3577AF is a mid, moderate cyan. Relative luminance 0.170; OKLCH L 55.3% C 0.110 H 247.1°. Best body text is #FFFFFF at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#3577AF
RGB	rgb(53, 119, 175)
HSL	hsl(208, 54%, 45%)
HSV	hsv(208, 70%, 69%)
CMYK	cmyk(69.7%, 32%, 0%, 31.4%)
CIE-LAB	lab(48.32, -2.30, -35.85)
CIE-LCH	lch(48.32, 35.93, 266.33°)
OKLab	oklab(55.27% -0.0429 -0.1015)
OKLCH	oklch(55.27% 0.11 247.1)
XYZ	xyz(15.8000, 17.0440, 43.0063)
Luminance	0.1705 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3577AF #AF6D35

analogous

#35AFAA #3577AF #353AAF

triadic

#3577AF #AF3577 #77AF35

tetradic

#3577AF #AA35AF #AF6D35 #3AAF35

square

#3577AF #AA35AF #AF6D35 #3AAF35

split-complementary

#3577AF #AF353A #AFAA35

monochromatic

#193751 #275780 #3577AF #5695CC #85B3DA

Accessibility & contrast

On white

4.76

#3577AF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.41

#3577AF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3577AF

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3577AF	#FFFFFF	#000000	##FFFFFF
##3577AF	1.00	4.76	4.41	4.76
#FFFFFF	4.76	1.00	21.00	1.00
#000000	4.41	21.00	1.00	21.00
##FFFFFF	4.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E79B1

Deuteranopia (green-blind)

#4D6DAE

Tritanopia (blue-blind)

#00848B

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3577af;
/* rgb */ color: rgb(53, 119, 175);
/* oklch */ color: oklch(55.3% 0.110 247.1);

Tailwind

colors: {
  custom: {
    50: '#7a9ec7',
    500: '#3577af',
    950: '#000000',
  },
}

SCSS

$custom: #3577af;
$custom-light: #7a9ec7;
$custom-dark: #000000;

JSON

{
  "hex": "#3577af",
  "rgb": {
    "r": 53,
    "g": 119,
    "b": 175
  },
  "hsl": {
    "h": 207.541,
    "s": 53.509,
    "l": 44.706
  },
  "oklch": {
    "l": 0.55273,
    "c": 0.11019,
    "h": 247.1
  },
  "luminance": 0.17046
}

Semantic roles & 50–950 ramp

primary

#3577AF

secondary

#C49D7C

accent

#8E4BDD

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #3577AF

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

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