#3597AD#3597AD

#3597AD is a light, moderate cyan. Relative luminance 0.259; OKLCH L 62.9% C 0.094 H 215.7°. Best body text is #000000 at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#3597AD
RGB	rgb(53, 151, 173)
HSL	hsl(191, 53%, 44%)
HSV	hsv(191, 69%, 68%)
CMYK	cmyk(69.4%, 12.7%, 0%, 32.2%)
CIE-LAB	lab(57.95, -20.97, -19.77)
CIE-LCH	lch(57.95, 28.82, 223.31°)
OKLab	oklab(62.92% -0.0766 -0.0551)
OKLCH	oklch(62.92% 0.094 215.7)
XYZ	xyz(20.0745, 25.9050, 43.4692)
Luminance	0.2591 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3597AD #AD4B35

analogous

#35AD87 #3597AD #355BAD

triadic

#3597AD #AD3597 #97AD35

tetradic

#3597AD #8735AD #AD4B35 #5BAD35

square

#3597AD #8735AD #AD4B35 #5BAD35

split-complementary

#3597AD #AD355B #AD8735

monochromatic

#18454F #276E7E #3597AD #54B5CB #83C9D9

Accessibility & contrast

On white

3.40

#3597AD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.18

#3597AD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3597AD

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3597AD	#FFFFFF	#000000	##000000
##3597AD	1.00	3.40	6.18	6.18
#FFFFFF	3.40	1.00	21.00	21.00
#000000	6.18	21.00	1.00	1.00
##000000	6.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8892AE

Deuteranopia (green-blind)

#7786AD

Tritanopia (blue-blind)

#009F9E

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #3597ad;
/* rgb */ color: rgb(53, 151, 173);
/* oklch */ color: oklch(62.9% 0.094 215.7);

Tailwind

colors: {
  custom: {
    50: '#7cb5c5',
    500: '#3597ad',
    950: '#000000',
  },
}

SCSS

$custom: #3597ad;
$custom-light: #7cb5c5;
$custom-dark: #000000;

JSON

{
  "hex": "#3597ad",
  "rgb": {
    "r": 53,
    "g": 151,
    "b": 173
  },
  "hsl": {
    "h": 191,
    "s": 53.097,
    "l": 44.314
  },
  "oklch": {
    "l": 0.62915,
    "c": 0.09437,
    "h": 215.7
  },
  "luminance": 0.25907
}

Semantic roles & 50–950 ramp

primary

#3597AD

secondary

#C3887B

accent

#664BDD

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #3597AD

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

Preview Lab → · Contrast checker → · Palette generator →