#2B78A8#2B78A8

#2B78A8 is a mid, moderate cyan. Relative luminance 0.168; OKLCH L 54.8% C 0.105 H 240.3°. Best body text is #FFFFFF at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#2B78A8
RGB	rgb(43, 120, 168)
HSL	hsl(203, 59%, 41%)
HSV	hsv(203, 74%, 66%)
CMYK	cmyk(74.4%, 28.6%, 0%, 34.1%)
CIE-LAB	lab(47.97, -6.88, -32.34)
CIE-LCH	lch(47.97, 33.06, 257.99°)
OKLab	oklab(54.8% -0.0521 -0.0914)
OKLCH	oklch(54.8% 0.105 240.3)
XYZ	xyz(14.7779, 16.7720, 39.4967)
Luminance	0.1677 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B78A8 #A85B2B

analogous

#2BA89A #2B78A8 #2B3AA8

triadic

#2B78A8 #A82B78 #78A82B

tetradic

#2B78A8 #9A2BA8 #A85B2B #3AA82B

square

#2B78A8 #9A2BA8 #A85B2B #3AA82B

split-complementary

#2B78A8 #A82B3A #A89A2B

monochromatic

#123247 #1F5577 #2B78A8 #4298CF #72B3DB

Accessibility & contrast

On white

4.82

#2B78A8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.35

#2B78A8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B78A8

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B78A8	#FFFFFF	#000000	##FFFFFF
##2B78A8	1.00	4.82	4.35	4.82
#FFFFFF	4.82	1.00	21.00	1.00
#000000	4.35	21.00	1.00	21.00
##FFFFFF	4.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6278AA

Deuteranopia (green-blind)

#516DA7

Tritanopia (blue-blind)

#008489

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #2b78a8;
/* rgb */ color: rgb(43, 120, 168);
/* oklch */ color: oklch(54.8% 0.105 240.3);

Tailwind

colors: {
  custom: {
    50: '#769ec2',
    500: '#2b78a8',
    950: '#000000',
  },
}

SCSS

$custom: #2b78a8;
$custom-light: #769ec2;
$custom-dark: #000000;

JSON

{
  "hex": "#2b78a8",
  "rgb": {
    "r": 43,
    "g": 120,
    "b": 168
  },
  "hsl": {
    "h": 203.04,
    "s": 59.242,
    "l": 41.373
  },
  "oklch": {
    "l": 0.54803,
    "c": 0.10519,
    "h": 240.3
  },
  "luminance": 0.16774
}

Semantic roles & 50–950 ramp

primary

#2B78A8

secondary

#C28D6C

accent

#8245E2

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #2B78A8

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

Preview Lab → · Contrast checker → · Palette generator →