#3597B0#3597B0

#3597B0 is a light, moderate cyan. Relative luminance 0.260; OKLCH L 63.0% C 0.096 H 218.2°. Best body text is #000000 at 6.20:1 contrast (WCAG AA passes).

Color values

HEX	#3597B0
RGB	rgb(53, 151, 176)
HSL	hsl(192, 54%, 45%)
HSV	hsv(192, 70%, 69%)
CMYK	cmyk(69.9%, 14.2%, 0%, 31%)
CIE-LAB	lab(58.06, -20.01, -21.31)
CIE-LCH	lch(58.06, 29.23, 226.80°)
OKLab	oklab(63.04% -0.0754 -0.0594)
OKLCH	oklch(63.04% 0.096 218.2)
XYZ	xyz(20.3680, 26.0224, 45.0153)
Luminance	0.2602 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3597B0 #B04E35

analogous

#35B08B #3597B0 #355AB0

triadic

#3597B0 #B03597 #97B035

tetradic

#3597B0 #8B35B0 #B04E35 #5AB035

square

#3597B0 #8B35B0 #B04E35 #5AB035

split-complementary

#3597B0 #B0355A #B08B35

monochromatic

#194652 #276F81 #3597B0 #56B4CC #85C9DA

Accessibility & contrast

On white

3.38

#3597B0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.20

#3597B0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3597B0

6.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3597B0	#FFFFFF	#000000	##000000
##3597B0	1.00	3.38	6.20	6.20
#FFFFFF	3.38	1.00	21.00	21.00
#000000	6.20	21.00	1.00	1.00
##000000	6.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8793B1

Deuteranopia (green-blind)

#7686B0

Tritanopia (blue-blind)

#00A09F

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #3597b0;
/* rgb */ color: rgb(53, 151, 176);
/* oklch */ color: oklch(63.0% 0.096 218.2);

Tailwind

colors: {
  custom: {
    50: '#7cb5c7',
    500: '#3597b0',
    950: '#000000',
  },
}

SCSS

$custom: #3597b0;
$custom-light: #7cb5c7;
$custom-dark: #000000;

JSON

{
  "hex": "#3597b0",
  "rgb": {
    "r": 53,
    "g": 151,
    "b": 176
  },
  "hsl": {
    "h": 192.195,
    "s": 53.712,
    "l": 44.902
  },
  "oklch": {
    "l": 0.63042,
    "c": 0.09602,
    "h": 218.2
  },
  "luminance": 0.26025
}

Semantic roles & 50–950 ramp

primary

#3597B0

secondary

#C48B7D

accent

#684BDD

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #3597B0

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

Preview Lab → · Contrast checker → · Palette generator →