#3581AA#3581AA

#3581AA is a mid, moderate cyan. Relative luminance 0.194; OKLCH L 57.4% C 0.097 H 235.7°. Best body text is #000000 at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#3581AA
RGB	rgb(53, 129, 170)
HSL	hsl(201, 52%, 44%)
HSV	hsv(201, 69%, 67%)
CMYK	cmyk(68.8%, 24.1%, 0%, 33.3%)
CIE-LAB	lab(51.10, -9.91, -28.59)
CIE-LCH	lch(51.10, 30.26, 250.88°)
OKLab	oklab(57.4% -0.0548 -0.0804)
OKLCH	oklch(57.4% 0.097 235.7)
XYZ	xyz(16.5713, 19.3579, 40.8855)
Luminance	0.1936 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3581AA #AA5E35

analogous

#35AA98 #3581AA #3546AA

triadic

#3581AA #AA3581 #81AA35

tetradic

#3581AA #9835AA #AA5E35 #46AA35

square

#3581AA #9835AA #AA5E35 #46AA35

split-complementary

#3581AA #AA3546 #AA9835

monochromatic

#183A4D #265E7B #3581AA #53A0C9 #82BAD8

Accessibility & contrast

On white

4.31

#3581AA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.87

#3581AA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3581AA

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3581AA	#FFFFFF	#000000	##000000
##3581AA	1.00	4.31	4.87	4.87
#FFFFFF	4.31	1.00	21.00	21.00
#000000	4.87	21.00	1.00	1.00
##000000	4.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D80AC

Deuteranopia (green-blind)

#5D75A9

Tritanopia (blue-blind)

#008C8F

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #3581aa;
/* rgb */ color: rgb(53, 129, 170);
/* oklch */ color: oklch(57.4% 0.097 235.7);

Tailwind

colors: {
  custom: {
    50: '#7aa5c3',
    500: '#3581aa',
    950: '#000000',
  },
}

SCSS

$custom: #3581aa;
$custom-light: #7aa5c3;
$custom-dark: #000000;

JSON

{
  "hex": "#3581aa",
  "rgb": {
    "r": 53,
    "g": 129,
    "b": 170
  },
  "hsl": {
    "h": 201.026,
    "s": 52.466,
    "l": 43.725
  },
  "oklch": {
    "l": 0.57403,
    "c": 0.09729,
    "h": 235.7
  },
  "luminance": 0.1936
}

Semantic roles & 50–950 ramp

primary

#3581AA

secondary

#C1937A

accent

#7E4CDC

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #3581AA

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

Preview Lab → · Contrast checker → · Palette generator →