#2399CA#2399CA

#2399CA is a light, vivid cyan. Relative luminance 0.274; OKLCH L 64.3% C 0.122 H 232.0°. Best body text is #000000 at 6.48:1 contrast (WCAG AA passes).

Color values

HEX	#2399CA
RGB	rgb(35, 153, 202)
HSL	hsl(198, 70%, 46%)
HSV	hsv(198, 83%, 79%)
CMYK	cmyk(82.7%, 24.3%, 0%, 20.8%)
CIE-LAB	lab(59.34, -14.36, -34.03)
CIE-LCH	lch(59.34, 36.93, 247.12°)
OKLab	oklab(64.31% -0.0751 -0.096)
OKLCH	oklch(64.31% 0.122 232)
XYZ	xyz(22.7407, 27.4012, 59.9561)
Luminance	0.2740 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2399CA #CA5423

analogous

#23CAA8 #2399CA #2346CA

triadic

#2399CA #CA2399 #99CA23

tetradic

#2399CA #A823CA #CA5423 #46CA23

square

#2399CA #A823CA #CA5423 #46CA23

split-complementary

#2399CA #CA2346 #CAA823

monochromatic

#114A62 #1A7196 #2399CA #4AB4E0 #7FCAE9

Accessibility & contrast

On white

3.24

#2399CA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.48

#2399CA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2399CA

6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2399CA	#FFFFFF	#000000	##000000
##2399CA	1.00	3.24	6.48	6.48
#FFFFFF	3.24	1.00	21.00	21.00
#000000	6.48	21.00	1.00	1.00
##000000	6.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8097CC

Deuteranopia (green-blind)

#6B88C9

Tritanopia (blue-blind)

#00A6AA

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #2399ca;
/* rgb */ color: rgb(35, 153, 202);
/* oklch */ color: oklch(64.3% 0.122 232.0);

Tailwind

colors: {
  custom: {
    50: '#7bb7da',
    500: '#2399ca',
    950: '#000000',
  },
}

SCSS

$custom: #2399ca;
$custom-light: #7bb7da;
$custom-dark: #000000;

JSON

{
  "hex": "#2399ca",
  "rgb": {
    "r": 35,
    "g": 153,
    "b": 202
  },
  "hsl": {
    "h": 197.605,
    "s": 70.464,
    "l": 46.471
  },
  "oklch": {
    "l": 0.64313,
    "c": 0.12186,
    "h": 232
  },
  "luminance": 0.27404
}

Semantic roles & 50–950 ramp

primary

#2399CA

secondary

#D19278

accent

#6F3BED

background

#F8FBFD

surface

#EFF6FA

border

#CAD0D3

text

#0B1115

muted

#7C8083

Preview Lab

Preview with #2399CA

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

Preview Lab → · Contrast checker → · Palette generator →