#2373B1#2373B1

#2373B1 is a mid, vivid cyan. Relative luminance 0.158; OKLCH L 53.9% C 0.123 H 246.6°. Best body text is #FFFFFF at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#2373B1
RGB	rgb(35, 115, 177)
HSL	hsl(206, 67%, 42%)
HSV	hsv(206, 80%, 69%)
CMYK	cmyk(80.2%, 35%, 0%, 30.6%)
CIE-LAB	lab(46.70, -1.52, -39.60)
CIE-LCH	lch(46.70, 39.63, 267.80°)
OKLab	oklab(53.89% -0.0486 -0.1127)
OKLCH	oklch(53.89% 0.123 246.6)
XYZ	xyz(14.7566, 15.7913, 43.8567)
Luminance	0.1579 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2373B1 #B16123

analogous

#23B1A8 #2373B1 #232CB1

triadic

#2373B1 #B12373 #73B123

tetradic

#2373B1 #A823B1 #B16123 #2CB123

square

#2373B1 #A823B1 #B16123 #2CB123

split-complementary

#2373B1 #B1232C #B1A823

monochromatic

#0F314B #19527E #2373B1 #3993D8 #6CAFE2

Accessibility & contrast

On white

5.05

#2373B1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.16

#2373B1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2373B1

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2373B1	#FFFFFF	#000000	##FFFFFF
##2373B1	1.00	5.05	4.16	5.05
#FFFFFF	5.05	1.00	21.00	1.00
#000000	4.16	21.00	1.00	21.00
##FFFFFF	5.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5676B4

Deuteranopia (green-blind)

#4169B0

Tritanopia (blue-blind)

#00828A

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #2373b1;
/* rgb */ color: rgb(35, 115, 177);
/* oklch */ color: oklch(53.9% 0.123 246.6);

Tailwind

colors: {
  custom: {
    50: '#759ac8',
    500: '#2373b1',
    950: '#000000',
  },
}

SCSS

$custom: #2373b1;
$custom-light: #759ac8;
$custom-dark: #000000;

JSON

{
  "hex": "#2373b1",
  "rgb": {
    "r": 35,
    "g": 115,
    "b": 177
  },
  "hsl": {
    "h": 206.197,
    "s": 66.981,
    "l": 41.569
  },
  "oklch": {
    "l": 0.53888,
    "c": 0.12274,
    "h": 246.6
  },
  "luminance": 0.15793
}

Semantic roles & 50–950 ramp

primary

#2373B1

secondary

#C89268

accent

#893EEA

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #2373B1

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

Preview Lab → · Contrast checker → · Palette generator →