#3578AC#3578AC

#3578AC is a mid, moderate cyan. Relative luminance 0.172; OKLCH L 55.3% C 0.106 H 244.9°. Best body text is #FFFFFF at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#3578AC
RGB	rgb(53, 120, 172)
HSL	hsl(206, 53%, 44%)
HSV	hsv(206, 69%, 67%)
CMYK	cmyk(69.2%, 30.2%, 0%, 32.5%)
CIE-LAB	lab(48.47, -3.96, -33.87)
CIE-LCH	lch(48.47, 34.10, 263.33°)
OKLab	oklab(55.35% -0.0448 -0.0957)
OKLCH	oklch(55.35% 0.106 244.9)
XYZ	xyz(15.6282, 17.1667, 41.5116)
Luminance	0.1717 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3578AC #AC6935

analogous

#35ACA5 #3578AC #353DAC

triadic

#3578AC #AC3578 #78AC35

tetradic

#3578AC #A535AC #AC6935 #3DAC35

square

#3578AC #A535AC #AC6935 #3DAC35

split-complementary

#3578AC #AC353D #ACA535

monochromatic

#18374E #27577D #3578AC #5497CA #83B3D9

Accessibility & contrast

On white

4.74

#3578AC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.43

#3578AC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3578AC

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3578AC	#FFFFFF	#000000	##FFFFFF
##3578AC	1.00	4.74	4.43	4.74
#FFFFFF	4.74	1.00	21.00	1.00
#000000	4.43	21.00	1.00	21.00
##FFFFFF	4.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6179AE

Deuteranopia (green-blind)

#506EAB

Tritanopia (blue-blind)

#00858A

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3578ac;
/* rgb */ color: rgb(53, 120, 172);
/* oklch */ color: oklch(55.3% 0.106 244.9);

Tailwind

colors: {
  custom: {
    50: '#7a9ec5',
    500: '#3578ac',
    950: '#000000',
  },
}

SCSS

$custom: #3578ac;
$custom-light: #7a9ec5;
$custom-dark: #000000;

JSON

{
  "hex": "#3578ac",
  "rgb": {
    "r": 53,
    "g": 120,
    "b": 172
  },
  "hsl": {
    "h": 206.218,
    "s": 52.889,
    "l": 44.118
  },
  "oklch": {
    "l": 0.55347,
    "c": 0.10569,
    "h": 244.9
  },
  "luminance": 0.17168
}

Semantic roles & 50–950 ramp

primary

#3578AC

secondary

#C29A7B

accent

#8B4CDC

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #3578AC

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

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