#279BBB#279BBB

#279BBB is a light, moderate cyan. Relative luminance 0.275; OKLCH L 64.2% C 0.108 H 221.4°. Best body text is #000000 at 6.49:1 contrast (WCAG AA passes).

Color values

HEX	#279BBB
RGB	rgb(39, 155, 187)
HSL	hsl(193, 65%, 44%)
HSV	hsv(193, 79%, 73%)
CMYK	cmyk(79.1%, 17.1%, 0%, 26.7%)
CIE-LAB	lab(59.40, -20.22, -25.50)
CIE-LCH	lch(59.40, 32.55, 231.58°)
OKLab	oklab(64.17% -0.0811 -0.0714)
OKLCH	oklch(64.17% 0.108 221.4)
XYZ	xyz(21.5239, 27.4592, 51.1698)
Luminance	0.2746 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#279BBB #BB4727

analogous

#27BB91 #279BBB #2751BB

triadic

#279BBB #BB279B #9BBB27

tetradic

#279BBB #9127BB #BB4727 #51BB27

square

#279BBB #9127BB #BB4727 #51BB27

split-complementary

#279BBB #BB2751 #BB9127

monochromatic

#124756 #1C7188 #279BBB #47B9D9 #79CCE3

Accessibility & contrast

On white

3.23

#279BBB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.49

#279BBB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #279BBB

6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##279BBB	#FFFFFF	#000000	##000000
##279BBB	1.00	3.23	6.49	6.49
#FFFFFF	3.23	1.00	21.00	21.00
#000000	6.49	21.00	1.00	1.00
##000000	6.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8897BD

Deuteranopia (green-blind)

#7589BB

Tritanopia (blue-blind)

#00A5A5

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #279bbb;
/* rgb */ color: rgb(39, 155, 187);
/* oklch */ color: oklch(64.2% 0.108 221.4);

Tailwind

colors: {
  custom: {
    50: '#7ab8cf',
    500: '#279bbb',
    950: '#000000',
  },
}

SCSS

$custom: #279bbb;
$custom-light: #7ab8cf;
$custom-dark: #000000;

JSON

{
  "hex": "#279bbb",
  "rgb": {
    "r": 39,
    "g": 155,
    "b": 187
  },
  "hsl": {
    "h": 192.973,
    "s": 65.487,
    "l": 44.314
  },
  "oklch": {
    "l": 0.6417,
    "c": 0.10809,
    "h": 221.4
  },
  "luminance": 0.27462
}

Semantic roles & 50–950 ramp

primary

#279BBB

secondary

#CB8673

accent

#643FE8

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #279BBB

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

Preview Lab → · Contrast checker → · Palette generator →