#3579AE#3579AE

#3579AE is a mid, moderate cyan. Relative luminance 0.175; OKLCH L 55.7% C 0.107 H 245.1°. Best body text is #FFFFFF at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#3579AE
RGB	rgb(53, 121, 174)
HSL	hsl(206, 53%, 45%)
HSV	hsv(206, 70%, 68%)
CMYK	cmyk(69.5%, 30.5%, 0%, 31.8%)
CIE-LAB	lab(48.87, -3.85, -34.41)
CIE-LCH	lch(48.87, 34.62, 263.62°)
OKLab	oklab(55.69% -0.0452 -0.0973)
OKLCH	oklch(55.69% 0.107 245.1)
XYZ	xyz(15.9427, 17.4859, 42.5711)
Luminance	0.1749 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3579AE #AE6A35

analogous

#35AEA7 #3579AE #353DAE

triadic

#3579AE #AE3579 #79AE35

tetradic

#3579AE #A735AE #AE6A35 #3DAE35

square

#3579AE #A735AE #AE6A35 #3DAE35

split-complementary

#3579AE #AE353D #AEA735

monochromatic

#183850 #27587F #3579AE #5597CB #84B4DA

Accessibility & contrast

On white

4.67

#3579AE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.50

#3579AE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3579AE

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3579AE	#FFFFFF	#000000	##FFFFFF
##3579AE	1.00	4.67	4.50	4.67
#FFFFFF	4.67	1.00	21.00	1.00
#000000	4.50	21.00	1.00	21.00
##FFFFFF	4.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#617BB0

Deuteranopia (green-blind)

#506FAD

Tritanopia (blue-blind)

#00868C

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #3579ae;
/* rgb */ color: rgb(53, 121, 174);
/* oklch */ color: oklch(55.7% 0.107 245.1);

Tailwind

colors: {
  custom: {
    50: '#7a9fc6',
    500: '#3579ae',
    950: '#000000',
  },
}

SCSS

$custom: #3579ae;
$custom-light: #7a9fc6;
$custom-dark: #000000;

JSON

{
  "hex": "#3579ae",
  "rgb": {
    "r": 53,
    "g": 121,
    "b": 174
  },
  "hsl": {
    "h": 206.281,
    "s": 53.304,
    "l": 44.51
  },
  "oklch": {
    "l": 0.55692,
    "c": 0.10726,
    "h": 245.1
  },
  "luminance": 0.17488
}

Semantic roles & 50–950 ramp

primary

#3579AE

secondary

#C39B7C

accent

#8B4BDD

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #3579AE

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

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