#279BBC#279BBC

#279BBC is a light, moderate cyan. Relative luminance 0.275; OKLCH L 64.2% C 0.109 H 222.1°. Best body text is #000000 at 6.50:1 contrast (WCAG AA passes).

Color values

HEX	#279BBC
RGB	rgb(39, 155, 188)
HSL	hsl(193, 66%, 45%)
HSV	hsv(193, 79%, 74%)
CMYK	cmyk(79.3%, 17.6%, 0%, 26.3%)
CIE-LAB	lab(59.44, -19.89, -26.00)
CIE-LCH	lch(59.44, 32.74, 232.59°)
OKLab	oklab(64.22% -0.0807 -0.0729)
OKLCH	oklch(64.22% 0.109 222.1)
XYZ	xyz(21.6313, 27.5022, 51.7356)
Luminance	0.2751 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#279BBC #BC4827

analogous

#27BC93 #279BBC #2750BC

triadic

#279BBC #BC279B #9BBC27

tetradic

#279BBC #9327BC #BC4827 #50BC27

square

#279BBC #9327BC #BC4827 #50BC27

split-complementary

#279BBC #BC2750 #BC9327

monochromatic

#124757 #1C7189 #279BBC #47B9D9 #7ACCE3

Accessibility & contrast

On white

3.23

#279BBC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.50

#279BBC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #279BBC

6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##279BBC	#FFFFFF	#000000	##000000
##279BBC	1.00	3.23	6.50	6.50
#FFFFFF	3.23	1.00	21.00	21.00
#000000	6.50	21.00	1.00	1.00
##000000	6.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8897BE

Deuteranopia (green-blind)

#7489BC

Tritanopia (blue-blind)

#00A5A6

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #279bbc;
/* rgb */ color: rgb(39, 155, 188);
/* oklch */ color: oklch(64.2% 0.109 222.1);

Tailwind

colors: {
  custom: {
    50: '#7ab8d0',
    500: '#279bbc',
    950: '#000000',
  },
}

SCSS

$custom: #279bbc;
$custom-light: #7ab8d0;
$custom-dark: #000000;

JSON

{
  "hex": "#279bbc",
  "rgb": {
    "r": 39,
    "g": 155,
    "b": 188
  },
  "hsl": {
    "h": 193.289,
    "s": 65.639,
    "l": 44.51
  },
  "oklch": {
    "l": 0.64215,
    "c": 0.10875,
    "h": 222.1
  },
  "luminance": 0.27505
}

Semantic roles & 50–950 ramp

primary

#279BBC

secondary

#CB8773

accent

#653FE9

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1114

muted

#7C8082

Preview Lab

Preview with #279BBC

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

Preview Lab → · Contrast checker → · Palette generator →