#3570CE#3570CE

#3570CE is a mid, vivid blue. Relative luminance 0.168; OKLCH L 55.6% C 0.158 H 259.4°. Best body text is #FFFFFF at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#3570CE
RGB	rgb(53, 112, 206)
HSL	hsl(217, 61%, 51%)
HSV	hsv(217, 74%, 81%)
CMYK	cmyk(74.3%, 45.6%, 0%, 19.2%)
CIE-LAB	lab(48.01, 13.35, -54.21)
CIE-LCH	lch(48.01, 55.83, 283.83°)
OKLab	oklab(55.59% -0.029 -0.1554)
OKLCH	oklch(55.59% 0.158 259.4)
XYZ	xyz(18.3989, 16.7994, 60.6535)
Luminance	0.1680 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3570CE #CE9335

analogous

#35BCCE #3570CE #4635CE

triadic

#3570CE #CE3570 #70CE35

tetradic

#3570CE #CE35BC #CE9335 #35CE46

square

#3570CE #CE35BC #CE9335 #35CE46

split-complementary

#3570CE #CE4635 #BCCE35

monochromatic

#1B3B6E #27559F #3570CE #6693DA #98B6E6

Accessibility & contrast

On white

4.82

#3570CE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.36

#3570CE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3570CE

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3570CE	#FFFFFF	#000000	##FFFFFF
##3570CE	1.00	4.82	4.36	4.82
#FFFFFF	4.82	1.00	21.00	1.00
#000000	4.36	21.00	1.00	21.00
##FFFFFF	4.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F79D2

Deuteranopia (green-blind)

#1C6BCC

Tritanopia (blue-blind)

#008695

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3570ce;
/* rgb */ color: rgb(53, 112, 206);
/* oklch */ color: oklch(55.6% 0.158 259.4);

Tailwind

colors: {
  custom: {
    50: '#8098dd',
    500: '#3570ce',
    950: '#000000',
  },
}

SCSS

$custom: #3570ce;
$custom-light: #8098dd;
$custom-dark: #000000;

JSON

{
  "hex": "#3570ce",
  "rgb": {
    "r": 53,
    "g": 112,
    "b": 206
  },
  "hsl": {
    "h": 216.863,
    "s": 60.956,
    "l": 50.784
  },
  "oklch": {
    "l": 0.55591,
    "c": 0.1581,
    "h": 259.4
  },
  "luminance": 0.16801
}

Semantic roles & 50–950 ramp

primary

#3570CE

secondary

#D1B78D

accent

#A644E4

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3570CE

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

Preview Lab → · Contrast checker → · Palette generator →