#2B78A9#2B78A9

#2B78A9 is a mid, moderate cyan. Relative luminance 0.168; OKLCH L 54.9% C 0.106 H 240.9°. Best body text is #FFFFFF at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#2B78A9
RGB	rgb(43, 120, 169)
HSL	hsl(203, 59%, 42%)
HSV	hsv(203, 75%, 66%)
CMYK	cmyk(74.6%, 29%, 0%, 33.7%)
CIE-LAB	lab(48.02, -6.52, -32.85)
CIE-LCH	lch(48.02, 33.49, 258.78°)
OKLab	oklab(54.86% -0.0518 -0.0929)
OKLCH	oklch(54.86% 0.106 240.9)
XYZ	xyz(14.8714, 16.8094, 39.9892)
Luminance	0.1681 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B78A9 #A95C2B

analogous

#2BA99B #2B78A9 #2B39A9

triadic

#2B78A9 #A92B78 #78A92B

tetradic

#2B78A9 #9B2BA9 #A95C2B #39A92B

square

#2B78A9 #9B2BA9 #A95C2B #39A92B

split-complementary

#2B78A9 #A92B39 #A99B2B

monochromatic

#123347 #1F5578 #2B78A9 #4298CF #73B3DB

Accessibility & contrast

On white

4.81

#2B78A9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.36

#2B78A9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B78A9

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B78A9	#FFFFFF	#000000	##FFFFFF
##2B78A9	1.00	4.81	4.36	4.81
#FFFFFF	4.81	1.00	21.00	1.00
#000000	4.36	21.00	1.00	21.00
##FFFFFF	4.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6179AB

Deuteranopia (green-blind)

#506DA8

Tritanopia (blue-blind)

#008489

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #2b78a9;
/* rgb */ color: rgb(43, 120, 169);
/* oklch */ color: oklch(54.9% 0.106 240.9);

Tailwind

colors: {
  custom: {
    50: '#769ec3',
    500: '#2b78a9',
    950: '#000000',
  },
}

SCSS

$custom: #2b78a9;
$custom-light: #769ec3;
$custom-dark: #000000;

JSON

{
  "hex": "#2b78a9",
  "rgb": {
    "r": 43,
    "g": 120,
    "b": 169
  },
  "hsl": {
    "h": 203.333,
    "s": 59.434,
    "l": 41.569
  },
  "oklch": {
    "l": 0.54857,
    "c": 0.10632,
    "h": 240.9
  },
  "luminance": 0.16811
}

Semantic roles & 50–950 ramp

primary

#2B78A9

secondary

#C38E6D

accent

#8245E3

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #2B78A9

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

Preview Lab → · Contrast checker → · Palette generator →