#3573B8#3573B8

#3573B8 is a mid, vivid cyan. Relative luminance 0.165; OKLCH L 54.9% C 0.126 H 253.1°. Best body text is #FFFFFF at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#3573B8
RGB	rgb(53, 115, 184)
HSL	hsl(212, 55%, 46%)
HSV	hsv(212, 71%, 72%)
CMYK	cmyk(71.2%, 37.5%, 0%, 27.8%)
CIE-LAB	lab(47.59, 3.38, -42.21)
CIE-LCH	lch(47.59, 42.35, 274.58°)
OKLab	oklab(54.86% -0.0364 -0.1201)
OKLCH	oklch(54.86% 0.126 253.1)
XYZ	xyz(16.2475, 16.4773, 47.6623)
Luminance	0.1648 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3573B8 #B87A35

analogous

#35B5B8 #3573B8 #3935B8

triadic

#3573B8 #B83573 #73B835

tetradic

#3573B8 #B835B5 #B87A35 #35B839

square

#3573B8 #B835B5 #B87A35 #35B839

split-complementary

#3573B8 #B83935 #B5B835

monochromatic

#1A3859 #275588 #3573B8 #5B92D0 #8AB1DD

Accessibility & contrast

On white

4.89

#3573B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.30

#3573B8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3573B8

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3573B8	#FFFFFF	#000000	##FFFFFF
##3573B8	1.00	4.89	4.30	4.89
#FFFFFF	4.89	1.00	21.00	1.00
#000000	4.30	21.00	1.00	21.00
##FFFFFF	4.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5478BB

Deuteranopia (green-blind)

#406BB7

Tritanopia (blue-blind)

#00838D

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3573b8;
/* rgb */ color: rgb(53, 115, 184);
/* oklch */ color: oklch(54.9% 0.126 253.1);

Tailwind

colors: {
  custom: {
    50: '#7c9acd',
    500: '#3573b8',
    950: '#000000',
  },
}

SCSS

$custom: #3573b8;
$custom-light: #7c9acd;
$custom-dark: #000000;

JSON

{
  "hex": "#3573b8",
  "rgb": {
    "r": 53,
    "g": 115,
    "b": 184
  },
  "hsl": {
    "h": 211.603,
    "s": 55.274,
    "l": 46.471
  },
  "oklch": {
    "l": 0.5486,
    "c": 0.12553,
    "h": 253.1
  },
  "luminance": 0.16479
}

Semantic roles & 50–950 ramp

primary

#3573B8

secondary

#C7A681

accent

#9849DF

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3573B8

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

Preview Lab → · Contrast checker → · Palette generator →