#3597BC#3597BC

#3597BC is a light, moderate cyan. Relative luminance 0.265; OKLCH L 63.6% C 0.104 H 227.3°. Best body text is #000000 at 6.30:1 contrast (WCAG AA passes).

Color values

HEX	#3597BC
RGB	rgb(53, 151, 188)
HSL	hsl(196, 56%, 47%)
HSV	hsv(196, 72%, 74%)
CMYK	cmyk(71.8%, 19.7%, 0%, 26.3%)
CIE-LAB	lab(58.53, -16.07, -27.38)
CIE-LCH	lch(58.53, 31.75, 239.59°)
OKLab	oklab(63.57% -0.0708 -0.0767)
OKLCH	oklch(63.57% 0.104 227.3)
XYZ	xyz(21.6082, 26.5185, 51.5470)
Luminance	0.2652 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3597BC #BC5A35

analogous

#35BC9D #3597BC #3554BC

triadic

#3597BC #BC3597 #97BC35

tetradic

#3597BC #9D35BC #BC5A35 #54BC35

square

#3597BC #9D35BC #BC5A35 #54BC35

split-complementary

#3597BC #BC3554 #BC9D35

monochromatic

#1A4A5D #28718C #3597BC #5DB1D1 #8DC8DF

Accessibility & contrast

On white

3.33

#3597BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.30

#3597BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3597BC

6.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3597BC	#FFFFFF	#000000	##000000
##3597BC	1.00	3.33	6.30	6.30
#FFFFFF	3.33	1.00	21.00	21.00
#000000	6.30	21.00	1.00	1.00
##000000	6.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8394BE

Deuteranopia (green-blind)

#7187BC

Tritanopia (blue-blind)

#00A2A3

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #3597bc;
/* rgb */ color: rgb(53, 151, 188);
/* oklch */ color: oklch(63.6% 0.104 227.3);

Tailwind

colors: {
  custom: {
    50: '#7eb5d0',
    500: '#3597bc',
    950: '#000000',
  },
}

SCSS

$custom: #3597bc;
$custom-light: #7eb5d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3597bc",
  "rgb": {
    "r": 53,
    "g": 151,
    "b": 188
  },
  "hsl": {
    "h": 196.444,
    "s": 56.017,
    "l": 47.255
  },
  "oklch": {
    "l": 0.63571,
    "c": 0.1044,
    "h": 227.3
  },
  "luminance": 0.26521
}

Semantic roles & 50–950 ramp

primary

#3597BC

secondary

#C99784

accent

#7248DF

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1114

muted

#7C8082

Preview Lab

Preview with #3597BC

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

Preview Lab → · Contrast checker → · Palette generator →