#3577A5#3577A5

#3577A5 is a mid, moderate cyan. Relative luminance 0.167; OKLCH L 54.7% C 0.098 H 242.1°. Best body text is #FFFFFF at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#3577A5
RGB	rgb(53, 119, 165)
HSL	hsl(205, 51%, 43%)
HSV	hsv(205, 68%, 65%)
CMYK	cmyk(67.9%, 27.9%, 0%, 35.3%)
CIE-LAB	lab(47.84, -5.83, -30.78)
CIE-LCH	lch(47.84, 31.33, 259.27°)
OKLab	oklab(54.74% -0.046 -0.0868)
OKLCH	oklch(54.74% 0.098 242.1)
XYZ	xyz(14.8540, 16.6656, 38.0240)
Luminance	0.1667 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3577A5 #A56335

analogous

#35A59B #3577A5 #353FA5

triadic

#3577A5 #A53577 #77A535

tetradic

#3577A5 #9B35A5 #A56335 #3FA535

square

#3577A5 #9B35A5 #A56335 #3FA535

split-complementary

#3577A5 #A5353F #A59B35

monochromatic

#173448 #265677 #3577A5 #5096C7 #7FB2D6

Accessibility & contrast

On white

4.85

#3577A5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.33

#3577A5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3577A5

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3577A5	#FFFFFF	#000000	##FFFFFF
##3577A5	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)

#6278A7

Deuteranopia (green-blind)

#536DA4

Tritanopia (blue-blind)

#008287

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3577a5;
/* rgb */ color: rgb(53, 119, 165);
/* oklch */ color: oklch(54.7% 0.098 242.1);

Tailwind

colors: {
  custom: {
    50: '#799ec0',
    500: '#3577a5',
    950: '#000000',
  },
}

SCSS

$custom: #3577a5;
$custom-light: #799ec0;
$custom-dark: #000000;

JSON

{
  "hex": "#3577a5",
  "rgb": {
    "r": 53,
    "g": 119,
    "b": 165
  },
  "hsl": {
    "h": 204.643,
    "s": 51.376,
    "l": 42.745
  },
  "oklch": {
    "l": 0.54737,
    "c": 0.0982,
    "h": 242.1
  },
  "luminance": 0.16667
}

Semantic roles & 50–950 ramp

primary

#3577A5

secondary

#BF9477

accent

#874DDB

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #3577A5

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

Preview Lab → · Contrast checker → · Palette generator →