#2A78A3#2A78A3

#2A78A3 is a mid, moderate cyan. Relative luminance 0.166; OKLCH L 54.5% C 0.100 H 237.1°. Best body text is #FFFFFF at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#2A78A3
RGB	rgb(42, 120, 163)
HSL	hsl(201, 59%, 40%)
HSV	hsv(201, 74%, 64%)
CMYK	cmyk(74.2%, 26.4%, 0%, 36.1%)
CIE-LAB	lab(47.71, -8.81, -29.83)
CIE-LCH	lch(47.71, 31.10, 253.54°)
OKLab	oklab(54.51% -0.0543 -0.0841)
OKLCH	oklch(54.51% 0.1 237.1)
XYZ	xyz(14.2796, 16.5679, 37.0886)
Luminance	0.1657 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A78A3 #A3552A

analogous

#2AA391 #2A78A3 #2A3CA3

triadic

#2A78A3 #A32A78 #78A32A

tetradic

#2A78A3 #912AA3 #A3552A #3CA32A

square

#2A78A3 #912AA3 #A3552A #3CA32A

split-complementary

#2A78A3 #A32A3C #A3912A

monochromatic

#113042 #1D5472 #2A78A3 #3D9ACD #6EB3DA

Accessibility & contrast

On white

4.87

#2A78A3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.31

#2A78A3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A78A3

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A78A3	#FFFFFF	#000000	##FFFFFF
##2A78A3	1.00	4.87	4.31	4.87
#FFFFFF	4.87	1.00	21.00	1.00
#000000	4.31	21.00	1.00	21.00
##FFFFFF	4.87	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: #2a78a3;
/* rgb */ color: rgb(42, 120, 163);
/* oklch */ color: oklch(54.5% 0.100 237.1);

Tailwind

colors: {
  custom: {
    50: '#749ebe',
    500: '#2a78a3',
    950: '#000000',
  },
}

SCSS

$custom: #2a78a3;
$custom-light: #749ebe;
$custom-dark: #000000;

JSON

{
  "hex": "#2a78a3",
  "rgb": {
    "r": 42,
    "g": 120,
    "b": 163
  },
  "hsl": {
    "h": 201.322,
    "s": 59.024,
    "l": 40.196
  },
  "oklch": {
    "l": 0.54512,
    "c": 0.10013,
    "h": 237.1
  },
  "luminance": 0.1657
}

Semantic roles & 50–950 ramp

primary

#2A78A3

secondary

#C08868

accent

#7D46E2

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #2A78A3

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

Preview Lab → · Contrast checker → · Palette generator →