#3597BD#3597BD

#3597BD is a light, moderate cyan. Relative luminance 0.266; OKLCH L 63.6% C 0.105 H 228.0°. Best body text is #000000 at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#3597BD
RGB	rgb(53, 151, 189)
HSL	hsl(197, 56%, 47%)
HSV	hsv(197, 72%, 74%)
CMYK	cmyk(72%, 20.1%, 0%, 25.9%)
CIE-LAB	lab(58.57, -15.74, -27.88)
CIE-LCH	lch(58.57, 32.02, 240.56°)
OKLab	oklab(63.62% -0.0704 -0.0782)
OKLCH	oklch(63.62% 0.105 228)
XYZ	xyz(21.7164, 26.5617, 52.1167)
Luminance	0.2656 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3597BD #BD5B35

analogous

#35BD9F #3597BD #3553BD

triadic

#3597BD #BD3597 #97BD35

tetradic

#3597BD #9F35BD #BD5B35 #53BD35

square

#3597BD #9F35BD #BD5B35 #53BD35

split-complementary

#3597BD #BD3553 #BD9F35

monochromatic

#1A4B5D #28718D #3597BD #5DB1D2 #8DC8DF

Accessibility & contrast

On white

3.33

#3597BD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.31

#3597BD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3597BD

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3597BD	#FFFFFF	#000000	##000000
##3597BD	1.00	3.33	6.31	6.31
#FFFFFF	3.33	1.00	21.00	21.00
#000000	6.31	21.00	1.00	1.00
##000000	6.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8394BF

Deuteranopia (green-blind)

#7087BD

Tritanopia (blue-blind)

#00A2A4

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #3597bd;
/* rgb */ color: rgb(53, 151, 189);
/* oklch */ color: oklch(63.6% 0.105 228.0);

Tailwind

colors: {
  custom: {
    50: '#7eb5d1',
    500: '#3597bd',
    950: '#000000',
  },
}

SCSS

$custom: #3597bd;
$custom-light: #7eb5d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3597bd",
  "rgb": {
    "r": 53,
    "g": 151,
    "b": 189
  },
  "hsl": {
    "h": 196.765,
    "s": 56.198,
    "l": 47.451
  },
  "oklch": {
    "l": 0.63617,
    "c": 0.10522,
    "h": 228
  },
  "luminance": 0.26564
}

Semantic roles & 50–950 ramp

primary

#3597BD

secondary

#CA9884

accent

#7348DF

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1114

muted

#7C8082

Preview Lab

Preview with #3597BD

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

Preview Lab → · Contrast checker → · Palette generator →