#2378AE#2378AE

#2378AE is a mid, moderate cyan. Relative luminance 0.168; OKLCH L 54.9% C 0.115 H 241.9°. Best body text is #FFFFFF at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#2378AE
RGB	rgb(35, 120, 174)
HSL	hsl(203, 67%, 41%)
HSV	hsv(203, 80%, 68%)
CMYK	cmyk(79.9%, 31%, 0%, 31.8%)
CIE-LAB	lab(48.06, -5.65, -35.70)
CIE-LCH	lch(48.06, 36.15, 261.00°)
OKLab	oklab(54.92% -0.0541 -0.1012)
OKLCH	oklch(54.92% 0.115 241.9)
XYZ	xyz(15.0466, 16.8444, 42.4945)
Luminance	0.1685 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2378AE #AE5923

analogous

#23AE9E #2378AE #2333AE

triadic

#2378AE #AE2378 #78AE23

tetradic

#2378AE #9E23AE #AE5923 #33AE23

square

#2378AE #9E23AE #AE5923 #33AE23

split-complementary

#2378AE #AE2333 #AE9E23

monochromatic

#0F3248 #19557B #2378AE #3799D7 #6AB3E1

Accessibility & contrast

On white

4.81

#2378AE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.37

#2378AE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2378AE

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2378AE	#FFFFFF	#000000	##FFFFFF
##2378AE	1.00	4.81	4.37	4.81
#FFFFFF	4.81	1.00	21.00	1.00
#000000	4.37	21.00	1.00	21.00
##FFFFFF	4.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F79B0

Deuteranopia (green-blind)

#4C6CAD

Tritanopia (blue-blind)

#00858B

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #2378ae;
/* rgb */ color: rgb(35, 120, 174);
/* oklch */ color: oklch(54.9% 0.115 241.9);

Tailwind

colors: {
  custom: {
    50: '#749ec6',
    500: '#2378ae',
    950: '#000000',
  },
}

SCSS

$custom: #2378ae;
$custom-light: #749ec6;
$custom-dark: #000000;

JSON

{
  "hex": "#2378ae",
  "rgb": {
    "r": 35,
    "g": 120,
    "b": 174
  },
  "hsl": {
    "h": 203.309,
    "s": 66.507,
    "l": 40.98
  },
  "oklch": {
    "l": 0.54915,
    "c": 0.11479,
    "h": 241.9
  },
  "luminance": 0.16846
}

Semantic roles & 50–950 ramp

primary

#2378AE

secondary

#C78C66

accent

#813EE9

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #2378AE

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

Preview Lab → · Contrast checker → · Palette generator →