#2C78B1#2C78B1

#2C78B1 is a mid, moderate cyan. Relative luminance 0.171; OKLCH L 55.3% C 0.115 H 245.0°. Best body text is #FFFFFF at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#2C78B1
RGB	rgb(44, 120, 177)
HSL	hsl(206, 60%, 43%)
HSV	hsv(206, 75%, 69%)
CMYK	cmyk(75.1%, 32.2%, 0%, 30.6%)
CIE-LAB	lab(48.44, -3.48, -36.84)
CIE-LCH	lch(48.44, 37.01, 264.61°)
OKLab	oklab(55.32% -0.0487 -0.1045)
OKLCH	oklch(55.32% 0.115 245)
XYZ	xyz(15.6879, 17.1409, 44.0682)
Luminance	0.1714 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C78B1 #B1652C

analogous

#2CB1A7 #2C78B1 #2C36B1

triadic

#2C78B1 #B12C78 #78B12C

tetradic

#2C78B1 #A72CB1 #B1652C #36B12C

square

#2C78B1 #A72CB1 #B1652C #36B12C

split-complementary

#2C78B1 #B12C36 #B1A72C

monochromatic

#14364F #205780 #2C78B1 #4997D2 #7AB3DE

Accessibility & contrast

On white

4.74

#2C78B1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.43

#2C78B1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2C78B1

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C78B1	#FFFFFF	#000000	##FFFFFF
##2C78B1	1.00	4.74	4.43	4.74
#FFFFFF	4.74	1.00	21.00	1.00
#000000	4.43	21.00	1.00	21.00
##FFFFFF	4.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E7AB3

Deuteranopia (green-blind)

#4B6DB0

Tritanopia (blue-blind)

#00868C

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #2c78b1;
/* rgb */ color: rgb(44, 120, 177);
/* oklch */ color: oklch(55.3% 0.115 245.0);

Tailwind

colors: {
  custom: {
    50: '#789ec8',
    500: '#2c78b1',
    950: '#000000',
  },
}

SCSS

$custom: #2c78b1;
$custom-light: #789ec8;
$custom-dark: #000000;

JSON

{
  "hex": "#2c78b1",
  "rgb": {
    "r": 44,
    "g": 120,
    "b": 177
  },
  "hsl": {
    "h": 205.714,
    "s": 60.181,
    "l": 43.333
  },
  "oklch": {
    "l": 0.55323,
    "c": 0.11526,
    "h": 245
  },
  "luminance": 0.17143
}

Semantic roles & 50–950 ramp

primary

#2C78B1

secondary

#C69673

accent

#8944E3

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #2C78B1

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

Preview Lab → · Contrast checker → · Palette generator →