#2B78A3#2B78A3

#2B78A3 is a mid, moderate cyan. Relative luminance 0.166; OKLCH L 54.5% C 0.100 H 237.4°. Best body text is #FFFFFF at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#2B78A3
RGB	rgb(43, 120, 163)
HSL	hsl(202, 58%, 40%)
HSV	hsv(202, 74%, 64%)
CMYK	cmyk(73.6%, 26.4%, 0%, 36.1%)
CIE-LAB	lab(47.74, -8.67, -29.79)
CIE-LCH	lch(47.74, 31.02, 253.77°)
OKLab	oklab(54.54% -0.0538 -0.084)
OKLCH	oklch(54.54% 0.1 237.4)
XYZ	xyz(14.3210, 16.5892, 37.0905)
Luminance	0.1659 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B78A3 #A3562B

analogous

#2BA392 #2B78A3 #2B3CA3

triadic

#2B78A3 #A32B78 #78A32B

tetradic

#2B78A3 #922BA3 #A3562B #3CA32B

square

#2B78A3 #922BA3 #A3562B #3CA32B

split-complementary

#2B78A3 #A32B3C #A3922B

monochromatic

#113142 #1E5473 #2B78A3 #3F9ACC #6FB3D9

Accessibility & contrast

On white

4.86

#2B78A3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.32

#2B78A3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B78A3

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B78A3	#FFFFFF	#000000	##FFFFFF
##2B78A3	1.00	4.86	4.32	4.86
#FFFFFF	4.86	1.00	21.00	1.00
#000000	4.32	21.00	1.00	21.00
##FFFFFF	4.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6478A5

Deuteranopia (green-blind)

#536CA2

Tritanopia (blue-blind)

#008387

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #2b78a3;
/* rgb */ color: rgb(43, 120, 163);
/* oklch */ color: oklch(54.5% 0.100 237.4);

Tailwind

colors: {
  custom: {
    50: '#759ebe',
    500: '#2b78a3',
    950: '#000000',
  },
}

SCSS

$custom: #2b78a3;
$custom-light: #759ebe;
$custom-dark: #000000;

JSON

{
  "hex": "#2b78a3",
  "rgb": {
    "r": 43,
    "g": 120,
    "b": 163
  },
  "hsl": {
    "h": 201.5,
    "s": 58.252,
    "l": 40.392
  },
  "oklch": {
    "l": 0.54542,
    "c": 0.09973,
    "h": 237.4
  },
  "luminance": 0.16591
}

Semantic roles & 50–950 ramp

primary

#2B78A3

secondary

#C0896A

accent

#7E46E1

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #2B78A3

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

Preview Lab → · Contrast checker → · Palette generator →