#3597BB#3597BB

#3597BB is a light, moderate cyan. Relative luminance 0.265; OKLCH L 63.5% C 0.104 H 226.6°. Best body text is #000000 at 6.30:1 contrast (WCAG AA passes).

Color values

HEX	#3597BB
RGB	rgb(53, 151, 187)
HSL	hsl(196, 56%, 47%)
HSV	hsv(196, 72%, 73%)
CMYK	cmyk(71.7%, 19.3%, 0%, 26.7%)
CIE-LAB	lab(58.49, -16.40, -26.88)
CIE-LCH	lch(58.49, 31.49, 238.61°)
OKLab	oklab(63.53% -0.0712 -0.0753)
OKLCH	oklch(63.53% 0.104 226.6)
XYZ	xyz(21.5008, 26.4755, 50.9812)
Luminance	0.2648 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3597BB #BB5935

analogous

#35BB9C #3597BB #3554BB

triadic

#3597BB #BB3597 #97BB35

tetradic

#3597BB #9C35BB #BB5935 #54BB35

square

#3597BB #9C35BB #BB5935 #54BB35

split-complementary

#3597BB #BB3554 #BB9C35

monochromatic

#1A4A5C #27708B #3597BB #5CB2D1 #8CC8DE

Accessibility & contrast

On white

3.34

#3597BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.30

#3597BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3597BB

6.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3597BB	#FFFFFF	#000000	##000000
##3597BB	1.00	3.34	6.30	6.30
#FFFFFF	3.34	1.00	21.00	21.00
#000000	6.30	21.00	1.00	1.00
##000000	6.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8494BD

Deuteranopia (green-blind)

#7187BB

Tritanopia (blue-blind)

#00A1A3

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #3597bb;
/* rgb */ color: rgb(53, 151, 187);
/* oklch */ color: oklch(63.5% 0.104 226.6);

Tailwind

colors: {
  custom: {
    50: '#7eb5cf',
    500: '#3597bb',
    950: '#000000',
  },
}

SCSS

$custom: #3597bb;
$custom-light: #7eb5cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3597bb",
  "rgb": {
    "r": 53,
    "g": 151,
    "b": 187
  },
  "hsl": {
    "h": 196.119,
    "s": 55.833,
    "l": 47.059
  },
  "oklch": {
    "l": 0.63526,
    "c": 0.1036,
    "h": 226.6
  },
  "luminance": 0.26478
}

Semantic roles & 50–950 ramp

primary

#3597BB

secondary

#C99683

accent

#7149DF

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #3597BB

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

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