#3597D8#3597D8

#3597D8 is a light, vivid cyan. Relative luminance 0.278; OKLCH L 64.9% C 0.132 H 242.3°. Best body text is #000000 at 6.57:1 contrast (WCAG AA passes).

Color values

HEX	#3597D8
RGB	rgb(53, 151, 216)
HSL	hsl(204, 68%, 53%)
HSV	hsv(204, 75%, 85%)
CMYK	cmyk(75.5%, 30.1%, 0%, 15.3%)
CIE-LAB	lab(59.75, -6.47, -41.20)
CIE-LCH	lch(59.75, 41.70, 261.08°)
OKLab	oklab(64.95% -0.0613 -0.1167)
OKLCH	oklch(64.95% 0.132 242.3)
XYZ	xyz(24.9246, 27.8450, 69.0134)
Luminance	0.2785 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3597D8 #D87635

analogous

#35D8C7 #3597D8 #3546D8

triadic

#3597D8 #D83597 #97D835

tetradic

#3597D8 #C735D8 #D87635 #46D835

square

#3597D8 #C735D8 #D87635 #46D835

split-complementary

#3597D8 #D83546 #D8C735

monochromatic

#18537B #2276AE #3597D8 #68B1E2 #9CCCEC

Accessibility & contrast

On white

3.20

#3597D8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.57

#3597D8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3597D8

6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3597D8	#FFFFFF	#000000	##000000
##3597D8	1.00	3.20	6.57	6.57
#FFFFFF	3.20	1.00	21.00	21.00
#000000	6.57	21.00	1.00	1.00
##000000	6.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7998DB

Deuteranopia (green-blind)

#6289D7

Tritanopia (blue-blind)

#00A7AE

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #3597d8;
/* rgb */ color: rgb(53, 151, 216);
/* oklch */ color: oklch(64.9% 0.132 242.3);

Tailwind

colors: {
  custom: {
    50: '#82b5e4',
    500: '#3597d8',
    950: '#000000',
  },
}

SCSS

$custom: #3597d8;
$custom-light: #82b5e4;
$custom-dark: #000000;

JSON

{
  "hex": "#3597d8",
  "rgb": {
    "r": 53,
    "g": 151,
    "b": 216
  },
  "hsl": {
    "h": 203.926,
    "s": 67.635,
    "l": 52.745
  },
  "oklch": {
    "l": 0.64947,
    "c": 0.13182,
    "h": 242.3
  },
  "luminance": 0.27848
}

Semantic roles & 50–950 ramp

primary

#3597D8

secondary

#D8AD91

accent

#823DEB

background

#F8FBFE

surface

#F0F6FC

border

#CBD0D5

text

#0C1115

muted

#7D8084

Preview Lab

Preview with #3597D8

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

Preview Lab → · Contrast checker → · Palette generator →