#3581AC#3581AC

#3581AC is a mid, moderate cyan. Relative luminance 0.194; OKLCH L 57.5% C 0.099 H 237.0°. Best body text is #000000 at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#3581AC
RGB	rgb(53, 129, 172)
HSL	hsl(202, 53%, 44%)
HSV	hsv(202, 69%, 67%)
CMYK	cmyk(69.2%, 25%, 0%, 32.5%)
CIE-LAB	lab(51.19, -9.23, -29.61)
CIE-LCH	lch(51.19, 31.02, 252.70°)
OKLab	oklab(57.5% -0.0541 -0.0833)
OKLCH	oklch(57.5% 0.099 237)
XYZ	xyz(16.7619, 19.4341, 41.8895)
Luminance	0.1944 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3581AC #AC6035

analogous

#35AC9C #3581AC #3545AC

triadic

#3581AC #AC3581 #81AC35

tetradic

#3581AC #9C35AC #AC6035 #45AC35

square

#3581AC #9C35AC #AC6035 #45AC35

split-complementary

#3581AC #AC3545 #AC9C35

monochromatic

#183B4E #275E7D #3581AC #54A0CA #83BAD9

Accessibility & contrast

On white

4.30

#3581AC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.89

#3581AC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3581AC

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3581AC	#FFFFFF	#000000	##000000
##3581AC	1.00	4.30	4.89	4.89
#FFFFFF	4.30	1.00	21.00	21.00
#000000	4.89	21.00	1.00	1.00
##000000	4.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D80AE

Deuteranopia (green-blind)

#5C75AB

Tritanopia (blue-blind)

#008C90

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #3581ac;
/* rgb */ color: rgb(53, 129, 172);
/* oklch */ color: oklch(57.5% 0.099 237.0);

Tailwind

colors: {
  custom: {
    50: '#7aa5c5',
    500: '#3581ac',
    950: '#000000',
  },
}

SCSS

$custom: #3581ac;
$custom-light: #7aa5c5;
$custom-dark: #000000;

JSON

{
  "hex": "#3581ac",
  "rgb": {
    "r": 53,
    "g": 129,
    "b": 172
  },
  "hsl": {
    "h": 201.681,
    "s": 52.889,
    "l": 44.118
  },
  "oklch": {
    "l": 0.57502,
    "c": 0.09935,
    "h": 237
  },
  "luminance": 0.19436
}

Semantic roles & 50–950 ramp

primary

#3581AC

secondary

#C2947B

accent

#804CDC

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #3581AC

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

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