#3577AE#3577AE

#3577AE is a mid, moderate cyan. Relative luminance 0.170; OKLCH L 55.2% C 0.109 H 246.7°. Best body text is #FFFFFF at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#3577AE
RGB	rgb(53, 119, 174)
HSL	hsl(207, 53%, 45%)
HSV	hsv(207, 70%, 68%)
CMYK	cmyk(69.5%, 31.6%, 0%, 31.8%)
CIE-LAB	lab(48.27, -2.66, -35.35)
CIE-LCH	lch(48.27, 35.45, 265.70°)
OKLab	oklab(55.22% -0.0432 -0.1)
OKLCH	oklch(55.22% 0.109 246.7)
XYZ	xyz(15.7021, 17.0048, 42.4909)
Luminance	0.1701 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3577AE #AE6C35

analogous

#35AEA9 #3577AE #353AAE

triadic

#3577AE #AE3577 #77AE35

tetradic

#3577AE #A935AE #AE6C35 #3AAE35

square

#3577AE #A935AE #AE6C35 #3AAE35

split-complementary

#3577AE #AE353A #AEA935

monochromatic

#183750 #27577F #3577AE #5595CB #84B3DA

Accessibility & contrast

On white

4.77

#3577AE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.40

#3577AE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3577AE

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3577AE	#FFFFFF	#000000	##FFFFFF
##3577AE	1.00	4.77	4.40	4.77
#FFFFFF	4.77	1.00	21.00	1.00
#000000	4.40	21.00	1.00	21.00
##FFFFFF	4.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E79B0

Deuteranopia (green-blind)

#4E6DAD

Tritanopia (blue-blind)

#00848B

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3577ae;
/* rgb */ color: rgb(53, 119, 174);
/* oklch */ color: oklch(55.2% 0.109 246.7);

Tailwind

colors: {
  custom: {
    50: '#7a9ec6',
    500: '#3577ae',
    950: '#000000',
  },
}

SCSS

$custom: #3577ae;
$custom-light: #7a9ec6;
$custom-dark: #000000;

JSON

{
  "hex": "#3577ae",
  "rgb": {
    "r": 53,
    "g": 119,
    "b": 174
  },
  "hsl": {
    "h": 207.273,
    "s": 53.304,
    "l": 44.51
  },
  "oklch": {
    "l": 0.55218,
    "c": 0.10895,
    "h": 246.7
  },
  "luminance": 0.17007
}

Semantic roles & 50–950 ramp

primary

#3577AE

secondary

#C39C7C

accent

#8D4BDD

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #3577AE

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

Preview Lab → · Contrast checker → · Palette generator →