#3571AB#3571AB

#3571AB is a mid, moderate cyan. Relative luminance 0.155; OKLCH L 53.6% C 0.111 H 250.0°. Best body text is #FFFFFF at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#3571AB
RGB	rgb(53, 113, 171)
HSL	hsl(209, 53%, 44%)
HSV	hsv(209, 69%, 67%)
CMYK	cmyk(69%, 33.9%, 0%, 32.9%)
CIE-LAB	lab(46.32, -0.10, -36.67)
CIE-LCH	lch(46.32, 36.67, 269.84°)
OKLab	oklab(53.64% -0.0379 -0.1039)
OKLCH	oklch(53.64% 0.111 250)
XYZ	xyz(14.7213, 15.5059, 40.7373)
Luminance	0.1551 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3571AB #AB6F35

analogous

#35ABAA #3571AB #3536AB

triadic

#3571AB #AB3571 #71AB35

tetradic

#3571AB #AA35AB #AB6F35 #36AB35

square

#3571AB #AA35AB #AB6F35 #36AB35

split-complementary

#3571AB #AB3536 #ABAA35

monochromatic

#18334E #27527C #3571AB #5390CA #82AED8

Accessibility & contrast

On white

5.12

#3571AB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.10

#3571AB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3571AB

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3571AB	#FFFFFF	#000000	##FFFFFF
##3571AB	1.00	5.12	4.10	5.12
#FFFFFF	5.12	1.00	21.00	1.00
#000000	4.10	21.00	1.00	21.00
##FFFFFF	5.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5774AD

Deuteranopia (green-blind)

#4769AA

Tritanopia (blue-blind)

#007F86

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #3571ab;
/* rgb */ color: rgb(53, 113, 171);
/* oklch */ color: oklch(53.6% 0.111 250.0);

Tailwind

colors: {
  custom: {
    50: '#7a99c4',
    500: '#3571ab',
    950: '#000000',
  },
}

SCSS

$custom: #3571ab;
$custom-light: #7a99c4;
$custom-dark: #000000;

JSON

{
  "hex": "#3571ab",
  "rgb": {
    "r": 53,
    "g": 113,
    "b": 171
  },
  "hsl": {
    "h": 209.492,
    "s": 52.679,
    "l": 43.922
  },
  "oklch": {
    "l": 0.53638,
    "c": 0.11065,
    "h": 250
  },
  "luminance": 0.15507
}

Semantic roles & 50–950 ramp

primary

#3571AB

secondary

#C29D7A

accent

#934CDC

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0D12

muted

#7C7E81

Preview Lab

Preview with #3571AB

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

Preview Lab → · Contrast checker → · Palette generator →