#2B78C0#2B78C0

#2B78C0 is a mid, vivid cyan. Relative luminance 0.178; OKLCH L 56.2% C 0.134 H 250.4°. Best body text is #FFFFFF at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#2B78C0
RGB	rgb(43, 120, 192)
HSL	hsl(209, 63%, 46%)
HSV	hsv(209, 78%, 75%)
CMYK	cmyk(77.6%, 37.5%, 0%, 24.7%)
CIE-LAB	lab(49.19, 1.94, -44.31)
CIE-LCH	lch(49.19, 44.35, 272.51°)
OKLab	oklab(56.16% -0.045 -0.1263)
OKLCH	oklch(56.16% 0.134 250.4)
XYZ	xyz(17.2236, 17.7503, 52.3773)
Luminance	0.1775 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B78C0 #C0732B

analogous

#2BC0BD #2B78C0 #2B2EC0

triadic

#2B78C0 #C02B78 #78C02B

tetradic

#2B78C0 #BD2BC0 #C0732B #2EC02B

square

#2B78C0 #BD2BC0 #C0732B #2EC02B

split-complementary

#2B78C0 #C02B2E #C0BD2B

monochromatic

#15395C #20598E #2B78C0 #5096D8 #82B4E3

Accessibility & contrast

On white

4.61

#2B78C0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.55

#2B78C0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #2B78C0

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B78C0	#FFFFFF	#000000	##FFFFFF
##2B78C0	1.00	4.61	4.55	4.61
#FFFFFF	4.61	1.00	21.00	1.00
#000000	4.55	21.00	1.00	21.00
##FFFFFF	4.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#567CC3

Deuteranopia (green-blind)

#3F6FBF

Tritanopia (blue-blind)

#008993

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #2b78c0;
/* rgb */ color: rgb(43, 120, 192);
/* oklch */ color: oklch(56.2% 0.134 250.4);

Tailwind

colors: {
  custom: {
    50: '#7a9ed3',
    500: '#2b78c0',
    950: '#000000',
  },
}

SCSS

$custom: #2b78c0;
$custom-light: #7a9ed3;
$custom-dark: #000000;

JSON

{
  "hex": "#2b78c0",
  "rgb": {
    "r": 43,
    "g": 120,
    "b": 192
  },
  "hsl": {
    "h": 208.993,
    "s": 63.404,
    "l": 46.078
  },
  "oklch": {
    "l": 0.56164,
    "c": 0.13411,
    "h": 250.4
  },
  "luminance": 0.17752
}

Semantic roles & 50–950 ramp

primary

#2B78C0

secondary

#CCA27B

accent

#9141E6

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #2B78C0

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

Preview Lab → · Contrast checker → · Palette generator →