#3573B3#3573B3

#3573B3 is a mid, moderate cyan. Relative luminance 0.163; OKLCH L 54.6% C 0.119 H 251.5°. Best body text is #FFFFFF at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#3573B3
RGB	rgb(53, 115, 179)
HSL	hsl(210, 54%, 45%)
HSV	hsv(210, 70%, 70%)
CMYK	cmyk(70.4%, 35.8%, 0%, 29.8%)
CIE-LAB	lab(47.33, 1.56, -39.73)
CIE-LCH	lch(47.33, 39.76, 272.25°)
OKLab	oklab(54.57% -0.0377 -0.1129)
OKLCH	oklch(54.57% 0.119 251.5)
XYZ	xyz(15.7326, 16.2713, 44.9506)
Luminance	0.1627 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3573B3 #B37535

analogous

#35B2B3 #3573B3 #3635B3

triadic

#3573B3 #B33573 #73B335

tetradic

#3573B3 #B335B2 #B37535 #35B336

square

#3573B3 #B335B2 #B37535 #35B336

split-complementary

#3573B3 #B33635 #B2B335

monochromatic

#193655 #275584 #3573B3 #5892CD #87B1DB

Accessibility & contrast

On white

4.94

#3573B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.25

#3573B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3573B3

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3573B3	#FFFFFF	#000000	##FFFFFF
##3573B3	1.00	4.94	4.25	4.94
#FFFFFF	4.94	1.00	21.00	1.00
#000000	4.25	21.00	1.00	21.00
##FFFFFF	4.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5677B6

Deuteranopia (green-blind)

#446BB2

Tritanopia (blue-blind)

#00828A

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #3573b3;
/* rgb */ color: rgb(53, 115, 179);
/* oklch */ color: oklch(54.6% 0.119 251.5);

Tailwind

colors: {
  custom: {
    50: '#7b9aca',
    500: '#3573b3',
    950: '#000000',
  },
}

SCSS

$custom: #3573b3;
$custom-light: #7b9aca;
$custom-dark: #000000;

JSON

{
  "hex": "#3573b3",
  "rgb": {
    "r": 53,
    "g": 115,
    "b": 179
  },
  "hsl": {
    "h": 210.476,
    "s": 54.31,
    "l": 45.49
  },
  "oklch": {
    "l": 0.54565,
    "c": 0.11901,
    "h": 251.5
  },
  "luminance": 0.16273
}

Semantic roles & 50–950 ramp

primary

#3573B3

secondary

#C5A27F

accent

#954ADE

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #3573B3

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

Preview Lab → · Contrast checker → · Palette generator →