#2A78A4#2A78A4

#2A78A4 is a mid, moderate cyan. Relative luminance 0.166; OKLCH L 54.6% C 0.101 H 237.8°. Best body text is #FFFFFF at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#2A78A4
RGB	rgb(42, 120, 164)
HSL	hsl(202, 59%, 40%)
HSV	hsv(202, 74%, 64%)
CMYK	cmyk(74.4%, 26.8%, 0%, 35.7%)
CIE-LAB	lab(47.76, -8.45, -30.34)
CIE-LCH	lch(47.76, 31.50, 254.43°)
OKLab	oklab(54.56% -0.054 -0.0856)
OKLCH	oklch(54.56% 0.101 237.8)
XYZ	xyz(14.3695, 16.6039, 37.5623)
Luminance	0.1661 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A78A4 #A4562A

analogous

#2AA493 #2A78A4 #2A3BA4

triadic

#2A78A4 #A42A78 #78A42A

tetradic

#2A78A4 #932AA4 #A4562A #3BA42A

square

#2A78A4 #932AA4 #A4562A #3BA42A

split-complementary

#2A78A4 #A42A3B #A4932A

monochromatic

#113143 #1E5473 #2A78A4 #3E9ACD #6EB3DA

Accessibility & contrast

On white

4.86

#2A78A4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.32

#2A78A4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A78A4

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A78A4	#FFFFFF	#000000	##FFFFFF
##2A78A4	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)

#6378A6

Deuteranopia (green-blind)

#536CA3

Tritanopia (blue-blind)

#008387

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #2a78a4;
/* rgb */ color: rgb(42, 120, 164);
/* oklch */ color: oklch(54.6% 0.101 237.8);

Tailwind

colors: {
  custom: {
    50: '#759ebf',
    500: '#2a78a4',
    950: '#000000',
  },
}

SCSS

$custom: #2a78a4;
$custom-light: #759ebf;
$custom-dark: #000000;

JSON

{
  "hex": "#2a78a4",
  "rgb": {
    "r": 42,
    "g": 120,
    "b": 164
  },
  "hsl": {
    "h": 201.639,
    "s": 59.223,
    "l": 40.392
  },
  "oklch": {
    "l": 0.54564,
    "c": 0.1012,
    "h": 237.8
  },
  "luminance": 0.16606
}

Semantic roles & 50–950 ramp

primary

#2A78A4

secondary

#C18969

accent

#7E45E2

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #2A78A4

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

Preview Lab → · Contrast checker → · Palette generator →