#3597D0#3597D0

#3597D0 is a light, vivid cyan. Relative luminance 0.274; OKLCH L 64.5% C 0.123 H 238.8°. Best body text is #000000 at 6.49:1 contrast (WCAG AA passes).

Color values

HEX	#3597D0
RGB	rgb(53, 151, 208)
HSL	hsl(202, 62%, 51%)
HSV	hsv(202, 75%, 82%)
CMYK	cmyk(74.5%, 27.4%, 0%, 18.4%)
CIE-LAB	lab(59.38, -9.26, -37.30)
CIE-LCH	lch(59.38, 38.44, 256.06°)
OKLab	oklab(64.53% -0.0638 -0.1054)
OKLCH	oklch(64.53% 0.123 238.8)
XYZ	xyz(23.9155, 27.4414, 63.6986)
Luminance	0.2744 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3597D0 #D06E35

analogous

#35D0BC #3597D0 #3549D0

triadic

#3597D0 #D03597 #97D035

tetradic

#3597D0 #BC35D0 #D06E35 #49D035

square

#3597D0 #BC35D0 #D06E35 #49D035

split-complementary

#3597D0 #D03549 #D0BC35

monochromatic

#1A5170 #2674A2 #3597D0 #67B1DC #98CAE7

Accessibility & contrast

On white

3.24

#3597D0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.49

#3597D0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3597D0

6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3597D0	#FFFFFF	#000000	##000000
##3597D0	1.00	3.24	6.49	6.49
#FFFFFF	3.24	1.00	21.00	21.00
#000000	6.49	21.00	1.00	1.00
##000000	6.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C97D3

Deuteranopia (green-blind)

#6788CF

Tritanopia (blue-blind)

#00A5AB

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #3597d0;
/* rgb */ color: rgb(53, 151, 208);
/* oklch */ color: oklch(64.5% 0.123 238.8);

Tailwind

colors: {
  custom: {
    50: '#81b5de',
    500: '#3597d0',
    950: '#000000',
  },
}

SCSS

$custom: #3597d0;
$custom-light: #81b5de;
$custom-dark: #000000;

JSON

{
  "hex": "#3597d0",
  "rgb": {
    "r": 53,
    "g": 151,
    "b": 208
  },
  "hsl": {
    "h": 202.065,
    "s": 62.249,
    "l": 51.176
  },
  "oklch": {
    "l": 0.64534,
    "c": 0.1232,
    "h": 238.8
  },
  "luminance": 0.27444
}

Semantic roles & 50–950 ramp

primary

#3597D0

secondary

#D3A78E

accent

#7E42E5

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0C1115

muted

#7D8083

Preview Lab

Preview with #3597D0

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

Preview Lab → · Contrast checker → · Palette generator →