#2373D4#2373D4

#2373D4 is a mid, vivid cyan. Relative luminance 0.174; OKLCH L 56.1% C 0.167 H 256.0°. Best body text is #FFFFFF at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#2373D4
RGB	rgb(35, 115, 212)
HSL	hsl(213, 72%, 48%)
HSV	hsv(213, 83%, 83%)
CMYK	cmyk(83.5%, 45.8%, 0%, 16.9%)
CIE-LAB	lab(48.72, 11.85, -56.50)
CIE-LCH	lch(48.72, 57.73, 281.84°)
OKLab	oklab(56.12% -0.0405 -0.1623)
OKLCH	oklch(56.12% 0.167 256)
XYZ	xyz(18.7031, 17.3699, 64.6416)
Luminance	0.1737 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2373D4 #D48423

analogous

#23CBD4 #2373D4 #2B23D4

triadic

#2373D4 #D42373 #73D423

tetradic

#2373D4 #D423CB #D48423 #23D42B

square

#2373D4 #D423CB #D48423 #23D42B

split-complementary

#2373D4 #D42B23 #CBD423

monochromatic

#123A6B #1A579F #2373D4 #5293E2 #86B4EB

Accessibility & contrast

On white

4.69

#2373D4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.47

#2373D4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2373D4

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2373D4	#FFFFFF	#000000	##FFFFFF
##2373D4	1.00	4.69	4.47	4.69
#FFFFFF	4.69	1.00	21.00	1.00
#000000	4.47	21.00	1.00	21.00
##FFFFFF	4.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E7CD8

Deuteranopia (green-blind)

#0C6CD2

Tritanopia (blue-blind)

#008A99

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #2373d4;
/* rgb */ color: rgb(35, 115, 212);
/* oklch */ color: oklch(56.1% 0.167 256.0);

Tailwind

colors: {
  custom: {
    50: '#7c9ae2',
    500: '#2373d4',
    950: '#000000',
  },
}

SCSS

$custom: #2373d4;
$custom-light: #7c9ae2;
$custom-dark: #000000;

JSON

{
  "hex": "#2373d4",
  "rgb": {
    "r": 35,
    "g": 115,
    "b": 212
  },
  "hsl": {
    "h": 212.881,
    "s": 71.66,
    "l": 48.431
  },
  "oklch": {
    "l": 0.56122,
    "c": 0.16731,
    "h": 256
  },
  "luminance": 0.17372
}

Semantic roles & 50–950 ramp

primary

#2373D4

secondary

#D4AE7E

accent

#9D39EE

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0B0E15

muted

#7C7E83

Preview Lab

Preview with #2373D4

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

Preview Lab → · Contrast checker → · Palette generator →