#359BB3#359BB3

#359BB3 is a light, moderate cyan. Relative luminance 0.275; OKLCH L 64.1% C 0.098 H 216.7°. Best body text is #000000 at 6.49:1 contrast (WCAG AA passes).

Color values

HEX	#359BB3
RGB	rgb(53, 155, 179)
HSL	hsl(191, 54%, 45%)
HSV	hsv(191, 70%, 70%)
CMYK	cmyk(70.4%, 13.4%, 0%, 29.8%)
CIE-LAB	lab(59.39, -21.15, -20.97)
CIE-LCH	lch(59.39, 29.78, 224.76°)
OKLab	oklab(64.15% -0.0783 -0.0584)
OKLCH	oklch(64.15% 0.098 216.7)
XYZ	xyz(21.3228, 27.4518, 46.8140)
Luminance	0.2745 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#359BB3 #B34D35

analogous

#35B38C #359BB3 #355CB3

triadic

#359BB3 #B3359B #9BB335

tetradic

#359BB3 #8C35B3 #B34D35 #5CB335

square

#359BB3 #8C35B3 #B34D35 #5CB335

split-complementary

#359BB3 #B3355C #B38C35

monochromatic

#194955 #277284 #359BB3 #58B7CD #87CBDB

Accessibility & contrast

On white

3.24

#359BB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.49

#359BB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #359BB3

6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##359BB3	#FFFFFF	#000000	##000000
##359BB3	1.00	3.24	6.49	6.49
#FFFFFF	3.24	1.00	21.00	21.00
#000000	6.49	21.00	1.00	1.00
##000000	6.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B96B4

Deuteranopia (green-blind)

#7989B3

Tritanopia (blue-blind)

#00A4A3

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #359bb3;
/* rgb */ color: rgb(53, 155, 179);
/* oklch */ color: oklch(64.1% 0.098 216.7);

Tailwind

colors: {
  custom: {
    50: '#7db8c9',
    500: '#359bb3',
    950: '#000000',
  },
}

SCSS

$custom: #359bb3;
$custom-light: #7db8c9;
$custom-dark: #000000;

JSON

{
  "hex": "#359bb3",
  "rgb": {
    "r": 53,
    "g": 155,
    "b": 179
  },
  "hsl": {
    "h": 191.429,
    "s": 54.31,
    "l": 45.49
  },
  "oklch": {
    "l": 0.64149,
    "c": 0.09774,
    "h": 216.7
  },
  "luminance": 0.27454
}

Semantic roles & 50–950 ramp

primary

#359BB3

secondary

#C58C7F

accent

#664ADE

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #359BB3

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

Preview Lab → · Contrast checker → · Palette generator →