#3577AA#3577AA

#3577AA is a mid, moderate cyan. Relative luminance 0.169; OKLCH L 55.0% C 0.104 H 244.8°. Best body text is #FFFFFF at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#3577AA
RGB	rgb(53, 119, 170)
HSL	hsl(206, 52%, 44%)
HSV	hsv(206, 69%, 67%)
CMYK	cmyk(68.8%, 30%, 0%, 33.3%)
CIE-LAB	lab(48.07, -4.07, -33.33)
CIE-LCH	lch(48.07, 33.58, 263.03°)
OKLab	oklab(55% -0.0444 -0.0942)
OKLCH	oklch(55% 0.104 244.8)
XYZ	xyz(15.3180, 16.8512, 40.4677)
Luminance	0.1685 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3577AA #AA6835

analogous

#35AAA2 #3577AA #353CAA

triadic

#3577AA #AA3577 #77AA35

tetradic

#3577AA #A235AA #AA6835 #3CAA35

square

#3577AA #A235AA #AA6835 #3CAA35

split-complementary

#3577AA #AA353C #AAA235

monochromatic

#18364D #26567B #3577AA #5396C9 #82B2D8

Accessibility & contrast

On white

4.80

#3577AA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.37

#3577AA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3577AA

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3577AA	#FFFFFF	#000000	##FFFFFF
##3577AA	1.00	4.80	4.37	4.80
#FFFFFF	4.80	1.00	21.00	1.00
#000000	4.37	21.00	1.00	21.00
##FFFFFF	4.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6078AC

Deuteranopia (green-blind)

#506DA9

Tritanopia (blue-blind)

#008389

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3577aa;
/* rgb */ color: rgb(53, 119, 170);
/* oklch */ color: oklch(55.0% 0.104 244.8);

Tailwind

colors: {
  custom: {
    50: '#7a9ec3',
    500: '#3577aa',
    950: '#000000',
  },
}

SCSS

$custom: #3577aa;
$custom-light: #7a9ec3;
$custom-dark: #000000;

JSON

{
  "hex": "#3577aa",
  "rgb": {
    "r": 53,
    "g": 119,
    "b": 170
  },
  "hsl": {
    "h": 206.154,
    "s": 52.466,
    "l": 43.725
  },
  "oklch": {
    "l": 0.55001,
    "c": 0.1041,
    "h": 244.8
  },
  "luminance": 0.16853
}

Semantic roles & 50–950 ramp

primary

#3577AA

secondary

#C1997A

accent

#8B4CDC

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #3577AA

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

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