#3573B0#3573B0

#3573B0 is a mid, moderate cyan. Relative luminance 0.162; OKLCH L 54.4% C 0.115 H 250.5°. Best body text is #FFFFFF at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#3573B0
RGB	rgb(53, 115, 176)
HSL	hsl(210, 54%, 45%)
HSV	hsv(210, 70%, 69%)
CMYK	cmyk(69.9%, 34.7%, 0%, 31%)
CIE-LAB	lab(47.17, 0.48, -38.24)
CIE-LCH	lch(47.17, 38.24, 270.72°)
OKLab	oklab(54.39% -0.0385 -0.1085)
OKLCH	oklch(54.39% 0.115 250.5)
XYZ	xyz(15.4325, 16.1513, 43.3701)
Luminance	0.1615 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3573B0 #B07235

analogous

#35B0B0 #3573B0 #3536B0

triadic

#3573B0 #B03573 #73B035

tetradic

#3573B0 #B035B0 #B07235 #36B035

square

#3573B0 #B035B0 #B07235 #36B035

split-complementary

#3573B0 #B03536 #B0B035

monochromatic

#193652 #275481 #3573B0 #5692CC #85B0DA

Accessibility & contrast

On white

4.96

#3573B0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.23

#3573B0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3573B0

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3573B0	#FFFFFF	#000000	##FFFFFF
##3573B0	1.00	4.96	4.23	4.96
#FFFFFF	4.96	1.00	21.00	1.00
#000000	4.23	21.00	1.00	21.00
##FFFFFF	4.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5876B3

Deuteranopia (green-blind)

#466BAF

Tritanopia (blue-blind)

#008189

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #3573b0;
/* rgb */ color: rgb(53, 115, 176);
/* oklch */ color: oklch(54.4% 0.115 250.5);

Tailwind

colors: {
  custom: {
    50: '#7b9ac8',
    500: '#3573b0',
    950: '#000000',
  },
}

SCSS

$custom: #3573b0;
$custom-light: #7b9ac8;
$custom-dark: #000000;

JSON

{
  "hex": "#3573b0",
  "rgb": {
    "r": 53,
    "g": 115,
    "b": 176
  },
  "hsl": {
    "h": 209.756,
    "s": 53.712,
    "l": 44.902
  },
  "oklch": {
    "l": 0.54391,
    "c": 0.11515,
    "h": 250.5
  },
  "luminance": 0.16153
}

Semantic roles & 50–950 ramp

primary

#3573B0

secondary

#C4A07D

accent

#934BDD

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #3573B0

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

Preview Lab → · Contrast checker → · Palette generator →