#3597BF#3597BF

#3597BF is a light, moderate cyan. Relative luminance 0.267; OKLCH L 63.7% C 0.107 H 229.3°. Best body text is #000000 at 6.33:1 contrast (WCAG AA passes).

Color values

HEX	#3597BF
RGB	rgb(53, 151, 191)
HSL	hsl(197, 57%, 48%)
HSV	hsv(197, 72%, 75%)
CMYK	cmyk(72.3%, 20.9%, 0%, 25.1%)
CIE-LAB	lab(58.65, -15.07, -28.89)
CIE-LCH	lch(58.65, 32.58, 242.45°)
OKLab	oklab(63.71% -0.0697 -0.0811)
OKLCH	oklch(63.71% 0.107 229.3)
XYZ	xyz(21.9350, 26.6492, 53.2679)
Luminance	0.2665 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3597BF #BF5D35

analogous

#35BFA2 #3597BF #3552BF

triadic

#3597BF #BF3597 #97BF35

tetradic

#3597BF #A235BF #BF5D35 #52BF35

square

#3597BF #A235BF #BF5D35 #52BF35

split-complementary

#3597BF #BF3552 #BFA235

monochromatic

#1A4B5F #28718F #3597BF #5FB1D3 #8FC8E0

Accessibility & contrast

On white

3.32

#3597BF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.33

#3597BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3597BF

6.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3597BF	#FFFFFF	#000000	##000000
##3597BF	1.00	3.32	6.33	6.33
#FFFFFF	3.32	1.00	21.00	21.00
#000000	6.33	21.00	1.00	1.00
##000000	6.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8295C1

Deuteranopia (green-blind)

#7087BE

Tritanopia (blue-blind)

#00A2A4

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #3597bf;
/* rgb */ color: rgb(53, 151, 191);
/* oklch */ color: oklch(63.7% 0.107 229.3);

Tailwind

colors: {
  custom: {
    50: '#7eb5d2',
    500: '#3597bf',
    950: '#000000',
  },
}

SCSS

$custom: #3597bf;
$custom-light: #7eb5d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3597bf",
  "rgb": {
    "r": 53,
    "g": 151,
    "b": 191
  },
  "hsl": {
    "h": 197.391,
    "s": 56.557,
    "l": 47.843
  },
  "oklch": {
    "l": 0.6371,
    "c": 0.10689,
    "h": 229.3
  },
  "luminance": 0.26652
}

Semantic roles & 50–950 ramp

primary

#3597BF

secondary

#CA9985

accent

#7448E0

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1114

muted

#7C8082

Preview Lab

Preview with #3597BF

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

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