#2D78CC#2D78CC

#2D78CC is a mid, vivid cyan. Relative luminance 0.183; OKLCH L 57.0% C 0.149 H 254.0°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#2D78CC
RGB	rgb(45, 120, 204)
HSL	hsl(212, 64%, 49%)
HSV	hsv(212, 78%, 80%)
CMYK	cmyk(77.9%, 41.2%, 0%, 20%)
CIE-LAB	lab(49.92, 6.65, -50.02)
CIE-LCH	lch(49.92, 50.46, 277.58°)
OKLab	oklab(56.96% -0.0411 -0.1431)
OKLCH	oklch(56.96% 0.149 254)
XYZ	xyz(18.6937, 18.3482, 59.6714)
Luminance	0.1835 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D78CC #CC812D

analogous

#2DC8CC #2D78CC #322DCC

triadic

#2D78CC #CC2D78 #78CC2D

tetradic

#2D78CC #CC2DC8 #CC812D #2DCC32

square

#2D78CC #CC2DC8 #CC812D #2DCC32

split-complementary

#2D78CC #CC322D #C8CC2D

monochromatic

#173D68 #225B9A #2D78CC #5B97DB #8DB7E6

Accessibility & contrast

On white

4.50

#2D78CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.67

#2D78CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2D78CC

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D78CC	#FFFFFF	#000000	##000000
##2D78CC	1.00	4.50	4.67	4.67
#FFFFFF	4.50	1.00	21.00	21.00
#000000	4.67	21.00	1.00	1.00
##000000	4.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F7FCF

Deuteranopia (green-blind)

#3370CA

Tritanopia (blue-blind)

#008C98

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #2d78cc;
/* rgb */ color: rgb(45, 120, 204);
/* oklch */ color: oklch(57.0% 0.149 254.0);

Tailwind

colors: {
  custom: {
    50: '#7d9edc',
    500: '#2d78cc',
    950: '#000000',
  },
}

SCSS

$custom: #2d78cc;
$custom-light: #7d9edc;
$custom-dark: #000000;

JSON

{
  "hex": "#2d78cc",
  "rgb": {
    "r": 45,
    "g": 120,
    "b": 204
  },
  "hsl": {
    "h": 211.698,
    "s": 63.855,
    "l": 48.824
  },
  "oklch": {
    "l": 0.56963,
    "c": 0.14885,
    "h": 254
  },
  "luminance": 0.1835
}

Semantic roles & 50–950 ramp

primary

#2D78CC

secondary

#D0AD85

accent

#9941E7

background

#F8F9FD

surface

#EFF2FB

border

#CACCD4

text

#0B0E15

muted

#7C7E83

Preview Lab

Preview with #2D78CC

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

Preview Lab → · Contrast checker → · Palette generator →