#2D78AC#2D78AC

#2D78AC is a mid, moderate cyan. Relative luminance 0.170; OKLCH L 55.1% C 0.109 H 242.9°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#2D78AC
RGB	rgb(45, 120, 172)
HSL	hsl(205, 59%, 43%)
HSV	hsv(205, 74%, 67%)
CMYK	cmyk(73.8%, 30.2%, 0%, 32.5%)
CIE-LAB	lab(48.22, -5.16, -34.28)
CIE-LCH	lch(48.22, 34.66, 261.44°)
OKLab	oklab(55.08% -0.0497 -0.097)
OKLCH	oklch(55.08% 0.109 242.9)
XYZ	xyz(15.2422, 16.9676, 41.4935)
Luminance	0.1697 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D78AC #AC612D

analogous

#2DACA0 #2D78AC #2D39AC

triadic

#2D78AC #AC2D78 #78AC2D

tetradic

#2D78AC #A02DAC #AC612D #39AC2D

square

#2D78AC #A02DAC #AC612D #39AC2D

split-complementary

#2D78AC #AC2D39 #ACA02D

monochromatic

#14344B #20567B #2D78AC #4797CF #78B3DC

Accessibility & contrast

On white

4.78

#2D78AC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#2D78AC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2D78AC

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D78AC	#FFFFFF	#000000	##FFFFFF
##2D78AC	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)

#6079AE

Deuteranopia (green-blind)

#4F6DAB

Tritanopia (blue-blind)

#00858A

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #2d78ac;
/* rgb */ color: rgb(45, 120, 172);
/* oklch */ color: oklch(55.1% 0.109 242.9);

Tailwind

colors: {
  custom: {
    50: '#779ec5',
    500: '#2d78ac',
    950: '#000000',
  },
}

SCSS

$custom: #2d78ac;
$custom-light: #779ec5;
$custom-dark: #000000;

JSON

{
  "hex": "#2d78ac",
  "rgb": {
    "r": 45,
    "g": 120,
    "b": 172
  },
  "hsl": {
    "h": 204.567,
    "s": 58.525,
    "l": 42.549
  },
  "oklch": {
    "l": 0.55078,
    "c": 0.10898,
    "h": 242.9
  },
  "luminance": 0.16969
}

Semantic roles & 50–950 ramp

primary

#2D78AC

secondary

#C49371

accent

#8646E2

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #2D78AC

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

Preview Lab → · Contrast checker → · Palette generator →