#3580AC#3580AC

#3580AC is a mid, moderate cyan. Relative luminance 0.192; OKLCH L 57.3% C 0.100 H 237.9°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#3580AC
RGB	rgb(53, 128, 172)
HSL	hsl(202, 53%, 44%)
HSV	hsv(202, 69%, 67%)
CMYK	cmyk(69.2%, 25.6%, 0%, 32.5%)
CIE-LAB	lab(50.89, -8.65, -30.09)
CIE-LCH	lch(50.89, 31.30, 253.96°)
OKLab	oklab(57.26% -0.0531 -0.0847)
OKLCH	oklch(57.26% 0.1 237.9)
XYZ	xyz(16.6309, 19.1720, 41.8458)
Luminance	0.1917 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3580AC #AC6135

analogous

#35AC9D #3580AC #3545AC

triadic

#3580AC #AC3580 #80AC35

tetradic

#3580AC #9D35AC #AC6135 #45AC35

square

#3580AC #9D35AC #AC6135 #45AC35

split-complementary

#3580AC #AC3545 #AC9D35

monochromatic

#183A4E #275D7D #3580AC #549FCA #83B9D9

Accessibility & contrast

On white

4.34

#3580AC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.83

#3580AC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3580AC

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3580AC	#FFFFFF	#000000	##000000
##3580AC	1.00	4.34	4.83	4.83
#FFFFFF	4.34	1.00	21.00	21.00
#000000	4.83	21.00	1.00	1.00
##000000	4.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B80AE

Deuteranopia (green-blind)

#5B74AB

Tritanopia (blue-blind)

#008B8F

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #3580ac;
/* rgb */ color: rgb(53, 128, 172);
/* oklch */ color: oklch(57.3% 0.100 237.9);

Tailwind

colors: {
  custom: {
    50: '#7aa4c5',
    500: '#3580ac',
    950: '#000000',
  },
}

SCSS

$custom: #3580ac;
$custom-light: #7aa4c5;
$custom-dark: #000000;

JSON

{
  "hex": "#3580ac",
  "rgb": {
    "r": 53,
    "g": 128,
    "b": 172
  },
  "hsl": {
    "h": 202.185,
    "s": 52.889,
    "l": 44.118
  },
  "oklch": {
    "l": 0.57261,
    "c": 0.09994,
    "h": 237.9
  },
  "luminance": 0.19174
}

Semantic roles & 50–950 ramp

primary

#3580AC

secondary

#C2957B

accent

#814CDC

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #3580AC

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

Preview Lab → · Contrast checker → · Palette generator →