#2B78AC#2B78AC

#2B78AC is a mid, moderate cyan. Relative luminance 0.169; OKLCH L 55.0% C 0.110 H 242.4°. Best body text is #FFFFFF at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#2B78AC
RGB	rgb(43, 120, 172)
HSL	hsl(204, 60%, 42%)
HSV	hsv(204, 75%, 67%)
CMYK	cmyk(75%, 30.2%, 0%, 32.5%)
CIE-LAB	lab(48.16, -5.43, -34.37)
CIE-LCH	lch(48.16, 34.80, 261.02°)
OKLab	oklab(55.02% -0.0508 -0.0973)
OKLCH	oklch(55.02% 0.11 242.4)
XYZ	xyz(15.1562, 16.9233, 41.4895)
Luminance	0.1693 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B78AC #AC5F2B

analogous

#2BACA0 #2B78AC #2B38AC

triadic

#2B78AC #AC2B78 #78AC2B

tetradic

#2B78AC #A02BAC #AC5F2B #38AC2B

square

#2B78AC #A02BAC #AC5F2B #38AC2B

split-complementary

#2B78AC #AC2B38 #ACA02B

monochromatic

#13344A #1F567B #2B78AC #4498D0 #75B3DC

Accessibility & contrast

On white

4.79

#2B78AC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#2B78AC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B78AC

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B78AC	#FFFFFF	#000000	##FFFFFF
##2B78AC	1.00	4.79	4.39	4.79
#FFFFFF	4.79	1.00	21.00	1.00
#000000	4.39	21.00	1.00	21.00
##FFFFFF	4.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6079AE

Deuteranopia (green-blind)

#4E6DAB

Tritanopia (blue-blind)

#00858A

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #2b78ac;
/* rgb */ color: rgb(43, 120, 172);
/* oklch */ color: oklch(55.0% 0.110 242.4);

Tailwind

colors: {
  custom: {
    50: '#769ec5',
    500: '#2b78ac',
    950: '#000000',
  },
}

SCSS

$custom: #2b78ac;
$custom-light: #769ec5;
$custom-dark: #000000;

JSON

{
  "hex": "#2b78ac",
  "rgb": {
    "r": 43,
    "g": 120,
    "b": 172
  },
  "hsl": {
    "h": 204.186,
    "s": 60,
    "l": 42.157
  },
  "oklch": {
    "l": 0.55018,
    "c": 0.10975,
    "h": 242.4
  },
  "luminance": 0.16925
}

Semantic roles & 50–950 ramp

primary

#2B78AC

secondary

#C4916F

accent

#8545E3

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #2B78AC

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

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