#2E78AB#2E78AB

#2E78AB is a mid, moderate cyan. Relative luminance 0.170; OKLCH L 55.1% C 0.107 H 242.6°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#2E78AB
RGB	rgb(46, 120, 171)
HSL	hsl(204, 58%, 43%)
HSV	hsv(204, 73%, 67%)
CMYK	cmyk(73.1%, 29.8%, 0%, 32.9%)
CIE-LAB	lab(48.20, -5.38, -33.72)
CIE-LCH	lch(48.20, 34.15, 260.94°)
OKLab	oklab(55.06% -0.0494 -0.0954)
OKLCH	oklch(55.06% 0.107 242.6)
XYZ	xyz(15.1910, 16.9523, 40.9917)
Luminance	0.1695 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2E78AB #AB612E

analogous

#2EABA0 #2E78AB #2E39AB

triadic

#2E78AB #AB2E78 #78AB2E

tetradic

#2E78AB #A02EAB #AB612E #39AB2E

square

#2E78AB #A02EAB #AB612E #39AB2E

split-complementary

#2E78AB #AB2E39 #ABA02E

monochromatic

#14344B #21567B #2E78AB #4897CE #79B3DB

Accessibility & contrast

On white

4.78

#2E78AB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#2E78AB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2E78AB

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2E78AB	#FFFFFF	#000000	##FFFFFF
##2E78AB	1.00	4.78	4.39	4.78
#FFFFFF	4.78	1.00	21.00	1.00
#000000	4.39	21.00	1.00	21.00
##FFFFFF	4.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6179AD

Deuteranopia (green-blind)

#4F6DAA

Tritanopia (blue-blind)

#00858A

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #2e78ab;
/* rgb */ color: rgb(46, 120, 171);
/* oklch */ color: oklch(55.1% 0.107 242.6);

Tailwind

colors: {
  custom: {
    50: '#779ec4',
    500: '#2e78ab',
    950: '#000000',
  },
}

SCSS

$custom: #2e78ab;
$custom-light: #779ec4;
$custom-dark: #000000;

JSON

{
  "hex": "#2e78ab",
  "rgb": {
    "r": 46,
    "g": 120,
    "b": 171
  },
  "hsl": {
    "h": 204.48,
    "s": 57.604,
    "l": 42.549
  },
  "oklch": {
    "l": 0.55056,
    "c": 0.10742,
    "h": 242.6
  },
  "luminance": 0.16954
}

Semantic roles & 50–950 ramp

primary

#2E78AB

secondary

#C39372

accent

#8647E1

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #2E78AB

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

Preview Lab → · Contrast checker → · Palette generator →