#278398#278398

#278398 is a mid, moderate cyan. Relative luminance 0.189; OKLCH L 56.7% C 0.089 H 216.5°. Best body text is #000000 at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#278398
RGB	rgb(39, 131, 152)
HSL	hsl(191, 59%, 37%)
HSV	hsv(191, 74%, 60%)
CMYK	cmyk(74.3%, 13.8%, 0%, 40.4%)
CIE-LAB	lab(50.60, -19.20, -18.94)
CIE-LCH	lch(50.60, 26.97, 224.61°)
OKLab	oklab(56.65% -0.0713 -0.0528)
OKLCH	oklch(56.65% 0.089 216.5)
XYZ	xyz(14.6181, 18.9292, 32.5830)
Luminance	0.1893 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278398 #983C27

analogous

#279874 #278398 #274B98

triadic

#278398 #982783 #839827

tetradic

#278398 #742798 #983C27 #4B9827

square

#278398 #742798 #983C27 #4B9827

split-complementary

#278398 #98274B #987427

monochromatic

#0E2F37 #1B5967 #278398 #33ADC9 #63C1D7

Accessibility & contrast

On white

4.39

#278398 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.79

#278398 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278398

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278398	#FFFFFF	#000000	##000000
##278398	1.00	4.39	4.79	4.79
#FFFFFF	4.39	1.00	21.00	21.00
#000000	4.79	21.00	1.00	1.00
##000000	4.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#757F99

Deuteranopia (green-blind)

#657498

Tritanopia (blue-blind)

#008A8A

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #278398;
/* rgb */ color: rgb(39, 131, 152);
/* oklch */ color: oklch(56.7% 0.089 216.5);

Tailwind

colors: {
  custom: {
    50: '#72a7b6',
    500: '#278398',
    950: '#000000',
  },
}

SCSS

$custom: #278398;
$custom-light: #72a7b6;
$custom-dark: #000000;

JSON

{
  "hex": "#278398",
  "rgb": {
    "r": 39,
    "g": 131,
    "b": 152
  },
  "hsl": {
    "h": 191.15,
    "s": 59.162,
    "l": 37.451
  },
  "oklch": {
    "l": 0.56652,
    "c": 0.08874,
    "h": 216.5
  },
  "luminance": 0.18931
}

Semantic roles & 50–950 ramp

primary

#278398

secondary

#BC705E

accent

#6345E2

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #278398

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

Preview Lab → · Contrast checker → · Palette generator →