#3597B9#3597B9

#3597B9 is a light, moderate cyan. Relative luminance 0.264; OKLCH L 63.4% C 0.102 H 225.2°. Best body text is #000000 at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#3597B9
RGB	rgb(53, 151, 185)
HSL	hsl(195, 55%, 47%)
HSV	hsv(195, 71%, 73%)
CMYK	cmyk(71.4%, 18.4%, 0%, 27.5%)
CIE-LAB	lab(58.41, -17.07, -25.87)
CIE-LCH	lch(58.41, 30.99, 236.59°)
OKLab	oklab(63.44% -0.0719 -0.0724)
OKLCH	oklch(63.44% 0.102 225.2)
XYZ	xyz(21.2882, 26.3905, 49.8615)
Luminance	0.2639 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3597B9 #B95735

analogous

#35B999 #3597B9 #3555B9

triadic

#3597B9 #B93597 #97B935

tetradic

#3597B9 #9935B9 #B95735 #55B935

square

#3597B9 #9935B9 #B95735 #55B935

split-complementary

#3597B9 #B93555 #B99935

monochromatic

#1A495A #277089 #3597B9 #5BB2D0 #8BC8DE

Accessibility & contrast

On white

3.34

#3597B9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.28

#3597B9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3597B9

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3597B9	#FFFFFF	#000000	##000000
##3597B9	1.00	3.34	6.28	6.28
#FFFFFF	3.34	1.00	21.00	21.00
#000000	6.28	21.00	1.00	1.00
##000000	6.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8494BB

Deuteranopia (green-blind)

#7287B9

Tritanopia (blue-blind)

#00A1A2

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #3597b9;
/* rgb */ color: rgb(53, 151, 185);
/* oklch */ color: oklch(63.4% 0.102 225.2);

Tailwind

colors: {
  custom: {
    50: '#7eb5ce',
    500: '#3597b9',
    950: '#000000',
  },
}

SCSS

$custom: #3597b9;
$custom-light: #7eb5ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3597b9",
  "rgb": {
    "r": 53,
    "g": 151,
    "b": 185
  },
  "hsl": {
    "h": 195.455,
    "s": 55.462,
    "l": 46.667
  },
  "oklch": {
    "l": 0.63436,
    "c": 0.10206,
    "h": 225.2
  },
  "luminance": 0.26393
}

Semantic roles & 50–950 ramp

primary

#3597B9

secondary

#C89482

accent

#7049DF

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #3597B9

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

Preview Lab → · Contrast checker → · Palette generator →