#3575CF#3575CF

#3575CF is a mid, vivid blue. Relative luminance 0.180; OKLCH L 56.7% C 0.154 H 257.6°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#3575CF
RGB	rgb(53, 117, 207)
HSL	hsl(215, 62%, 51%)
HSV	hsv(215, 74%, 81%)
CMYK	cmyk(74.4%, 43.5%, 0%, 18.8%)
CIE-LAB	lab(49.47, 10.59, -52.42)
CIE-LCH	lch(49.47, 53.48, 281.42°)
OKLab	oklab(56.75% -0.0331 -0.1501)
OKLCH	oklch(56.75% 0.154 257.6)
XYZ	xyz(19.0878, 17.9823, 61.4843)
Luminance	0.1798 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3575CF #CF8F35

analogous

#35C2CF #3575CF #4235CF

triadic

#3575CF #CF3575 #75CF35

tetradic

#3575CF #CF35C2 #CF8F35 #35CF42

square

#3575CF #CF35C2 #CF8F35 #35CF42

split-complementary

#3575CF #CF4235 #C2CF35

monochromatic

#1A3E6F #2659A1 #3575CF #6697DB #98B9E7

Accessibility & contrast

On white

4.57

#3575CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#3575CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3575CF

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3575CF	#FFFFFF	#000000	##000000
##3575CF	1.00	4.57	4.60	4.60
#FFFFFF	4.57	1.00	21.00	21.00
#000000	4.60	21.00	1.00	1.00
##000000	4.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#487DD2

Deuteranopia (green-blind)

#2B6FCD

Tritanopia (blue-blind)

#008A98

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3575cf;
/* rgb */ color: rgb(53, 117, 207);
/* oklch */ color: oklch(56.7% 0.154 257.6);

Tailwind

colors: {
  custom: {
    50: '#809cde',
    500: '#3575cf',
    950: '#000000',
  },
}

SCSS

$custom: #3575cf;
$custom-light: #809cde;
$custom-dark: #000000;

JSON

{
  "hex": "#3575cf",
  "rgb": {
    "r": 53,
    "g": 117,
    "b": 207
  },
  "hsl": {
    "h": 215.065,
    "s": 61.6,
    "l": 50.98
  },
  "oklch": {
    "l": 0.56745,
    "c": 0.15368,
    "h": 257.6
  },
  "luminance": 0.17984
}

Semantic roles & 50–950 ramp

primary

#3575CF

secondary

#D2B68E

accent

#A243E5

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3575CF

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

Preview Lab → · Contrast checker → · Palette generator →