#2373BC#2373BC

#2373BC is a mid, vivid cyan. Relative luminance 0.163; OKLCH L 54.6% C 0.136 H 250.4°. Best body text is #FFFFFF at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#2373BC
RGB	rgb(35, 115, 188)
HSL	hsl(209, 69%, 44%)
HSV	hsv(209, 81%, 74%)
CMYK	cmyk(81.4%, 38.8%, 0%, 26.3%)
CIE-LAB	lab(47.30, 2.65, -45.03)
CIE-LCH	lch(47.30, 45.11, 273.37°)
OKLab	oklab(54.55% -0.0457 -0.1286)
OKLCH	oklch(54.55% 0.136 250.4)
XYZ	xyz(15.8975, 16.2477, 49.8654)
Luminance	0.1625 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2373BC #BC6C23

analogous

#23BCB8 #2373BC #2327BC

triadic

#2373BC #BC2373 #73BC23

tetradic

#2373BC #B823BC #BC6C23 #27BC23

square

#2373BC #B823BC #BC6C23 #27BC23

split-complementary

#2373BC #BC2327 #BCB823

monochromatic

#103455 #195388 #2373BC #4192DC #74AFE5

Accessibility & contrast

On white

4.94

#2373BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.25

#2373BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2373BC

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2373BC	#FFFFFF	#000000	##FFFFFF
##2373BC	1.00	4.94	4.25	4.94
#FFFFFF	4.94	1.00	21.00	1.00
#000000	4.25	21.00	1.00	21.00
##FFFFFF	4.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5078BF

Deuteranopia (green-blind)

#386ABB

Tritanopia (blue-blind)

#00848E

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #2373bc;
/* rgb */ color: rgb(35, 115, 188);
/* oklch */ color: oklch(54.6% 0.136 250.4);

Tailwind

colors: {
  custom: {
    50: '#779ad0',
    500: '#2373bc',
    950: '#000000',
  },
}

SCSS

$custom: #2373bc;
$custom-light: #779ad0;
$custom-dark: #000000;

JSON

{
  "hex": "#2373bc",
  "rgb": {
    "r": 35,
    "g": 115,
    "b": 188
  },
  "hsl": {
    "h": 208.627,
    "s": 68.61,
    "l": 43.725
  },
  "oklch": {
    "l": 0.54553,
    "c": 0.13647,
    "h": 250.4
  },
  "luminance": 0.1625
}

Semantic roles & 50–950 ramp

primary

#2373BC

secondary

#CC9B6F

accent

#903CEB

background

#F7F9FC

surface

#EEF2F9

border

#C9CCD2

text

#0A0E14

muted

#7C7E82

Preview Lab

Preview with #2373BC

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

Preview Lab → · Contrast checker → · Palette generator →