#3570C8#3570C8

#3570C8 is a mid, vivid blue. Relative luminance 0.165; OKLCH L 55.2% C 0.150 H 258.4°. Best body text is #FFFFFF at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#3570C8
RGB	rgb(53, 112, 200)
HSL	hsl(216, 58%, 50%)
HSV	hsv(216, 74%, 78%)
CMYK	cmyk(73.5%, 44%, 0%, 21.6%)
CIE-LAB	lab(47.64, 11.13, -51.36)
CIE-LCH	lch(47.64, 52.55, 282.22°)
OKLab	oklab(55.19% -0.0301 -0.147)
OKLCH	oklch(55.19% 0.15 258.4)
XYZ	xyz(17.6839, 16.5134, 56.8878)
Luminance	0.1651 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3570C8 #C88D35

analogous

#35BAC8 #3570C8 #4335C8

triadic

#3570C8 #C83570 #70C835

tetradic

#3570C8 #C835BA #C88D35 #35C843

square

#3570C8 #C835BA #C88D35 #35C843

split-complementary

#3570C8 #C84335 #BAC835

monochromatic

#1B3A67 #285598 #3570C8 #6492D6 #95B4E3

Accessibility & contrast

On white

4.88

#3570C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.30

#3570C8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3570C8

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3570C8	#FFFFFF	#000000	##FFFFFF
##3570C8	1.00	4.88	4.30	4.88
#FFFFFF	4.88	1.00	21.00	1.00
#000000	4.30	21.00	1.00	21.00
##FFFFFF	4.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4478CB

Deuteranopia (green-blind)

#286BC6

Tritanopia (blue-blind)

#008592

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3570c8;
/* rgb */ color: rgb(53, 112, 200);
/* oklch */ color: oklch(55.2% 0.150 258.4);

Tailwind

colors: {
  custom: {
    50: '#7f98d9',
    500: '#3570c8',
    950: '#000000',
  },
}

SCSS

$custom: #3570c8;
$custom-light: #7f98d9;
$custom-dark: #000000;

JSON

{
  "hex": "#3570c8",
  "rgb": {
    "r": 53,
    "g": 112,
    "b": 200
  },
  "hsl": {
    "h": 215.918,
    "s": 58.103,
    "l": 49.608
  },
  "oklch": {
    "l": 0.55192,
    "c": 0.15008,
    "h": 258.4
  },
  "luminance": 0.16515
}

Semantic roles & 50–950 ramp

primary

#3570C8

secondary

#CEB38B

accent

#A346E1

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0B0D15

muted

#7C7E83

Preview Lab

Preview with #3570C8

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

Preview Lab → · Contrast checker → · Palette generator →