#3597B3#3597B3

#3597B3 is a light, moderate cyan. Relative luminance 0.261; OKLCH L 63.2% C 0.098 H 220.7°. Best body text is #000000 at 6.23:1 contrast (WCAG AA passes).

Color values

HEX	#3597B3
RGB	rgb(53, 151, 179)
HSL	hsl(193, 54%, 45%)
HSV	hsv(193, 70%, 70%)
CMYK	cmyk(70.4%, 15.6%, 0%, 29.8%)
CIE-LAB	lab(58.17, -19.04, -22.83)
CIE-LCH	lch(58.17, 29.73, 230.18°)
OKLab	oklab(63.17% -0.0742 -0.0637)
OKLCH	oklch(63.17% 0.098 220.7)
XYZ	xyz(20.6681, 26.1424, 46.5958)
Luminance	0.2615 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3597B3 #B35135

analogous

#35B390 #3597B3 #3558B3

triadic

#3597B3 #B33597 #97B335

tetradic

#3597B3 #9035B3 #B35135 #58B335

square

#3597B3 #9035B3 #B35135 #58B335

split-complementary

#3597B3 #B33558 #B39035

monochromatic

#194755 #276F84 #3597B3 #58B3CD #87C9DB

Accessibility & contrast

On white

3.37

#3597B3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.23

#3597B3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3597B3

6.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3597B3	#FFFFFF	#000000	##000000
##3597B3	1.00	3.37	6.23	6.23
#FFFFFF	3.37	1.00	21.00	21.00
#000000	6.23	21.00	1.00	1.00
##000000	6.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8693B4

Deuteranopia (green-blind)

#7586B3

Tritanopia (blue-blind)

#00A0A0

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #3597b3;
/* rgb */ color: rgb(53, 151, 179);
/* oklch */ color: oklch(63.2% 0.098 220.7);

Tailwind

colors: {
  custom: {
    50: '#7db5c9',
    500: '#3597b3',
    950: '#000000',
  },
}

SCSS

$custom: #3597b3;
$custom-light: #7db5c9;
$custom-dark: #000000;

JSON

{
  "hex": "#3597b3",
  "rgb": {
    "r": 53,
    "g": 151,
    "b": 179
  },
  "hsl": {
    "h": 193.333,
    "s": 54.31,
    "l": 45.49
  },
  "oklch": {
    "l": 0.63171,
    "c": 0.09786,
    "h": 220.7
  },
  "luminance": 0.26145
}

Semantic roles & 50–950 ramp

primary

#3597B3

secondary

#C58E7F

accent

#6B4ADE

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #3597B3

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

Preview Lab → · Contrast checker → · Palette generator →