#2B78C8#2B78C8

#2B78C8 is a mid, vivid cyan. Relative luminance 0.181; OKLCH L 56.7% C 0.144 H 252.6°. Best body text is #000000 at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#2B78C8
RGB	rgb(43, 120, 200)
HSL	hsl(211, 65%, 48%)
HSV	hsv(211, 79%, 78%)
CMYK	cmyk(78.5%, 40%, 0%, 21.6%)
CIE-LAB	lab(49.63, 4.93, -48.19)
CIE-LCH	lch(49.63, 48.44, 275.85°)
OKLab	oklab(56.66% -0.0431 -0.1377)
OKLCH	oklch(56.66% 0.144 252.6)
XYZ	xyz(18.1341, 18.1145, 57.1731)
Luminance	0.1812 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B78C8 #C87B2B

analogous

#2BC7C8 #2B78C8 #2C2BC8

triadic

#2B78C8 #C82B78 #78C82B

tetradic

#2B78C8 #C82BC7 #C87B2B #2BC82C

square

#2B78C8 #C82BC7 #C87B2B #2BC82C

split-complementary

#2B78C8 #C82C2B #C7C82B

monochromatic

#153C63 #205A96 #2B78C8 #5697DB #88B6E5

Accessibility & contrast

On white

4.54

#2B78C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.62

#2B78C8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2B78C8

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B78C8	#FFFFFF	#000000	##000000
##2B78C8	1.00	4.54	4.62	4.62
#FFFFFF	4.54	1.00	21.00	21.00
#000000	4.62	21.00	1.00	1.00
##000000	4.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#517ECB

Deuteranopia (green-blind)

#376FC6

Tritanopia (blue-blind)

#008B96

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #2b78c8;
/* rgb */ color: rgb(43, 120, 200);
/* oklch */ color: oklch(56.7% 0.144 252.6);

Tailwind

colors: {
  custom: {
    50: '#7c9ed9',
    500: '#2b78c8',
    950: '#000000',
  },
}

SCSS

$custom: #2b78c8;
$custom-light: #7c9ed9;
$custom-dark: #000000;

JSON

{
  "hex": "#2b78c8",
  "rgb": {
    "r": 43,
    "g": 120,
    "b": 200
  },
  "hsl": {
    "h": 210.573,
    "s": 64.609,
    "l": 47.647
  },
  "oklch": {
    "l": 0.56655,
    "c": 0.14428,
    "h": 252.6
  },
  "luminance": 0.18117
}

Semantic roles & 50–950 ramp

primary

#2B78C8

secondary

#CFA880

accent

#9540E8

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0E15

muted

#7C7E83

Preview Lab

Preview with #2B78C8

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

Preview Lab → · Contrast checker → · Palette generator →