#2D78D1#2D78D1

#2D78D1 is a mid, vivid cyan. Relative luminance 0.186; OKLCH L 57.3% C 0.155 H 255.1°. Best body text is #000000 at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#2D78D1
RGB	rgb(45, 120, 209)
HSL	hsl(213, 65%, 50%)
HSV	hsv(213, 78%, 82%)
CMYK	cmyk(78.5%, 42.6%, 0%, 18%)
CIE-LAB	lab(50.21, 8.53, -52.40)
CIE-LCH	lch(50.21, 53.09, 279.24°)
OKLab	oklab(57.28% -0.04 -0.1501)
OKLCH	oklch(57.28% 0.155 255.1)
XYZ	xyz(19.3030, 18.5920, 62.8805)
Luminance	0.1859 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D78D1 #D1862D

analogous

#2DCAD1 #2D78D1 #342DD1

triadic

#2D78D1 #D12D78 #78D12D

tetradic

#2D78D1 #D12DCA #D1862D #2DD134

square

#2D78D1 #D12DCA #D1862D #2DD134

split-complementary

#2D78D1 #D1342D #CAD12D

monochromatic

#173E6C #225B9F #2D78D1 #5F98DC #91B9E7

Accessibility & contrast

On white

4.45

#2D78D1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.72

#2D78D1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2D78D1

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D78D1	#FFFFFF	#000000	##000000
##2D78D1	1.00	4.45	4.72	4.72
#FFFFFF	4.45	1.00	21.00	21.00
#000000	4.72	21.00	1.00	1.00
##000000	4.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B7FD4

Deuteranopia (green-blind)

#2D71CF

Tritanopia (blue-blind)

#008D9A

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #2d78d1;
/* rgb */ color: rgb(45, 120, 209);
/* oklch */ color: oklch(57.3% 0.155 255.1);

Tailwind

colors: {
  custom: {
    50: '#7e9edf',
    500: '#2d78d1',
    950: '#000000',
  },
}

SCSS

$custom: #2d78d1;
$custom-light: #7e9edf;
$custom-dark: #000000;

JSON

{
  "hex": "#2d78d1",
  "rgb": {
    "r": 45,
    "g": 120,
    "b": 209
  },
  "hsl": {
    "h": 212.561,
    "s": 64.567,
    "l": 49.804
  },
  "oklch": {
    "l": 0.57283,
    "c": 0.15531,
    "h": 255.1
  },
  "luminance": 0.18594
}

Semantic roles & 50–950 ramp

primary

#2D78D1

secondary

#D2B088

accent

#9B40E8

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #2D78D1

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

Preview Lab → · Contrast checker → · Palette generator →