#2373B0#2373B0

#2373B0 is a mid, vivid cyan. Relative luminance 0.158; OKLCH L 53.8% C 0.122 H 246.3°. Best body text is #FFFFFF at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#2373B0
RGB	rgb(35, 115, 176)
HSL	hsl(206, 67%, 41%)
HSV	hsv(206, 80%, 69%)
CMYK	cmyk(80.1%, 34.7%, 0%, 31%)
CIE-LAB	lab(46.65, -1.90, -39.10)
CIE-LCH	lch(46.65, 39.15, 267.22°)
OKLab	oklab(53.83% -0.0489 -0.1112)
OKLCH	oklch(53.83% 0.122 246.3)
XYZ	xyz(14.6573, 15.7516, 43.3337)
Luminance	0.1575 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2373B0 #B06023

analogous

#23B0A7 #2373B0 #232DB0

triadic

#2373B0 #B02373 #73B023

tetradic

#2373B0 #A723B0 #B06023 #2DB023

square

#2373B0 #A723B0 #B06023 #2DB023

split-complementary

#2373B0 #B0232D #B0A723

monochromatic

#0F304A #19527D #2373B0 #3993D8 #6CAFE2

Accessibility & contrast

On white

5.06

#2373B0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.15

#2373B0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2373B0

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2373B0	#FFFFFF	#000000	##FFFFFF
##2373B0	1.00	5.06	4.15	5.06
#FFFFFF	5.06	1.00	21.00	1.00
#000000	4.15	21.00	1.00	21.00
##FFFFFF	5.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5676B3

Deuteranopia (green-blind)

#4269AF

Tritanopia (blue-blind)

#008289

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #2373b0;
/* rgb */ color: rgb(35, 115, 176);
/* oklch */ color: oklch(53.8% 0.122 246.3);

Tailwind

colors: {
  custom: {
    50: '#749bc8',
    500: '#2373b0',
    950: '#000000',
  },
}

SCSS

$custom: #2373b0;
$custom-light: #749bc8;
$custom-dark: #000000;

JSON

{
  "hex": "#2373b0",
  "rgb": {
    "r": 35,
    "g": 115,
    "b": 176
  },
  "hsl": {
    "h": 205.957,
    "s": 66.825,
    "l": 41.373
  },
  "oklch": {
    "l": 0.5383,
    "c": 0.12152,
    "h": 246.3
  },
  "luminance": 0.15753
}

Semantic roles & 50–950 ramp

primary

#2373B0

secondary

#C89167

accent

#883EEA

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #2373B0

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

Preview Lab → · Contrast checker → · Palette generator →