#2C78AD#2C78AD

#2C78AD is a mid, moderate cyan. Relative luminance 0.170; OKLCH L 55.1% C 0.111 H 243.1°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#2C78AD
RGB	rgb(44, 120, 173)
HSL	hsl(205, 59%, 43%)
HSV	hsv(205, 75%, 68%)
CMYK	cmyk(74.6%, 30.6%, 0%, 32.2%)
CIE-LAB	lab(48.24, -4.93, -34.83)
CIE-LCH	lch(48.24, 35.18, 261.94°)
OKLab	oklab(55.1% -0.0499 -0.0986)
OKLCH	oklch(55.1% 0.111 243.1)
XYZ	xyz(15.2951, 16.9838, 41.9992)
Luminance	0.1699 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C78AD #AD612C

analogous

#2CADA1 #2C78AD #2C38AD

triadic

#2C78AD #AD2C78 #78AD2C

tetradic

#2C78AD #A12CAD #AD612C #38AD2C

square

#2C78AD #A12CAD #AD612C #38AD2C

split-complementary

#2C78AD #AD2C38 #ADA12C

monochromatic

#13344B #20567C #2C78AD #4697D0 #77B3DC

Accessibility & contrast

On white

4.78

#2C78AD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.40

#2C78AD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2C78AD

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C78AD	#FFFFFF	#000000	##FFFFFF
##2C78AD	1.00	4.78	4.40	4.78
#FFFFFF	4.78	1.00	21.00	1.00
#000000	4.40	21.00	1.00	21.00
##FFFFFF	4.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6079AF

Deuteranopia (green-blind)

#4E6DAC

Tritanopia (blue-blind)

#00858B

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #2c78ad;
/* rgb */ color: rgb(44, 120, 173);
/* oklch */ color: oklch(55.1% 0.111 243.1);

Tailwind

colors: {
  custom: {
    50: '#779ec5',
    500: '#2c78ad',
    950: '#000000',
  },
}

SCSS

$custom: #2c78ad;
$custom-light: #779ec5;
$custom-dark: #000000;

JSON

{
  "hex": "#2c78ad",
  "rgb": {
    "r": 44,
    "g": 120,
    "b": 173
  },
  "hsl": {
    "h": 204.651,
    "s": 59.447,
    "l": 42.549
  },
  "oklch": {
    "l": 0.55102,
    "c": 0.11053,
    "h": 243.1
  },
  "luminance": 0.16986
}

Semantic roles & 50–950 ramp

primary

#2C78AD

secondary

#C49371

accent

#8645E3

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #2C78AD

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

Preview Lab → · Contrast checker → · Palette generator →