#2B78A4#2B78A4

#2B78A4 is a mid, moderate cyan. Relative luminance 0.166; OKLCH L 54.6% C 0.101 H 238.0°. Best body text is #FFFFFF at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#2B78A4
RGB	rgb(43, 120, 164)
HSL	hsl(202, 58%, 41%)
HSV	hsv(202, 74%, 64%)
CMYK	cmyk(73.8%, 26.8%, 0%, 35.7%)
CIE-LAB	lab(47.78, -8.32, -30.30)
CIE-LCH	lch(47.78, 31.42, 254.65°)
OKLab	oklab(54.59% -0.0534 -0.0855)
OKLCH	oklch(54.59% 0.101 238)
XYZ	xyz(14.4109, 16.6252, 37.5642)
Luminance	0.1663 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B78A4 #A4572B

analogous

#2BA493 #2B78A4 #2B3CA4

triadic

#2B78A4 #A42B78 #78A42B

tetradic

#2B78A4 #932BA4 #A4572B #3CA42B

square

#2B78A4 #932BA4 #A4572B #3CA42B

split-complementary

#2B78A4 #A42B3C #A4932B

monochromatic

#123143 #1E5574 #2B78A4 #3F99CD #70B3D9

Accessibility & contrast

On white

4.86

#2B78A4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.33

#2B78A4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B78A4

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B78A4	#FFFFFF	#000000	##FFFFFF
##2B78A4	1.00	4.86	4.33	4.86
#FFFFFF	4.86	1.00	21.00	1.00
#000000	4.33	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: #2b78a4;
/* rgb */ color: rgb(43, 120, 164);
/* oklch */ color: oklch(54.6% 0.101 238.0);

Tailwind

colors: {
  custom: {
    50: '#759ebf',
    500: '#2b78a4',
    950: '#000000',
  },
}

SCSS

$custom: #2b78a4;
$custom-light: #759ebf;
$custom-dark: #000000;

JSON

{
  "hex": "#2b78a4",
  "rgb": {
    "r": 43,
    "g": 120,
    "b": 164
  },
  "hsl": {
    "h": 201.818,
    "s": 58.454,
    "l": 40.588
  },
  "oklch": {
    "l": 0.54593,
    "c": 0.10079,
    "h": 238
  },
  "luminance": 0.16627
}

Semantic roles & 50–950 ramp

primary

#2B78A4

secondary

#C18A6A

accent

#7F46E2

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #2B78A4

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

Preview Lab → · Contrast checker → · Palette generator →