#278699#278699

#278699 is a mid, moderate cyan. Relative luminance 0.198; OKLCH L 57.5% C 0.089 H 214.2°. Best body text is #000000 at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#278699
RGB	rgb(39, 134, 153)
HSL	hsl(190, 59%, 38%)
HSV	hsv(190, 75%, 60%)
CMYK	cmyk(74.5%, 12.4%, 0%, 40%)
CIE-LAB	lab(51.59, -20.47, -18.02)
CIE-LCH	lch(51.59, 27.27, 221.36°)
OKLab	oklab(57.46% -0.074 -0.0502)
OKLCH	oklch(57.46% 0.089 214.2)
XYZ	xyz(15.1091, 19.7796, 33.1524)
Luminance	0.1978 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278699 #993A27

analogous

#279973 #278699 #274D99

triadic

#278699 #992786 #869927

tetradic

#278699 #732799 #993A27 #4D9927

square

#278699 #732799 #993A27 #4D9927

split-complementary

#278699 #99274D #997327

monochromatic

#0E3137 #1B5B68 #278699 #33B1CA #63C4D7

Accessibility & contrast

On white

4.24

#278699 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.96

#278699 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278699

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278699	#FFFFFF	#000000	##000000
##278699	1.00	4.24	4.96	4.96
#FFFFFF	4.24	1.00	21.00	21.00
#000000	4.96	21.00	1.00	1.00
##000000	4.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#78829A

Deuteranopia (green-blind)

#697699

Tritanopia (blue-blind)

#008D8C

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #278699;
/* rgb */ color: rgb(39, 134, 153);
/* oklch */ color: oklch(57.5% 0.089 214.2);

Tailwind

colors: {
  custom: {
    50: '#73a9b7',
    500: '#278699',
    950: '#000000',
  },
}

SCSS

$custom: #278699;
$custom-light: #73a9b7;
$custom-dark: #000000;

JSON

{
  "hex": "#278699",
  "rgb": {
    "r": 39,
    "g": 134,
    "b": 153
  },
  "hsl": {
    "h": 190,
    "s": 59.375,
    "l": 37.647
  },
  "oklch": {
    "l": 0.57455,
    "c": 0.08942,
    "h": 214.2
  },
  "luminance": 0.19781
}

Semantic roles & 50–950 ramp

primary

#278699

secondary

#BD6F5F

accent

#5F45E3

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#091011

muted

#7B7F80

Preview Lab

Preview with #278699

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

Preview Lab → · Contrast checker → · Palette generator →