#2D78B7#2D78B7

#2D78B7 is a mid, vivid cyan. Relative luminance 0.174; OKLCH L 55.7% C 0.122 H 247.7°. Best body text is #FFFFFF at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#2D78B7
RGB	rgb(45, 120, 183)
HSL	hsl(207, 61%, 45%)
HSV	hsv(207, 75%, 72%)
CMYK	cmyk(75.4%, 34.4%, 0%, 28.2%)
CIE-LAB	lab(48.77, -1.15, -39.79)
CIE-LCH	lch(48.77, 39.80, 268.35°)
OKLab	oklab(55.69% -0.0464 -0.1131)
OKLCH	oklch(55.69% 0.122 247.7)
XYZ	xyz(16.3426, 17.4078, 47.2893)
Luminance	0.1741 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D78B7 #B76C2D

analogous

#2DB7B1 #2D78B7 #2D33B7

triadic

#2D78B7 #B72D78 #78B72D

tetradic

#2D78B7 #B12DB7 #B76C2D #33B72D

square

#2D78B7 #B12DB7 #B76C2D #33B72D

split-complementary

#2D78B7 #B72D33 #B7B12D

monochromatic

#153855 #215886 #2D78B7 #4E96D3 #7FB3DF

Accessibility & contrast

On white

4.69

#2D78B7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.48

#2D78B7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2D78B7

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D78B7	#FFFFFF	#000000	##FFFFFF
##2D78B7	1.00	4.69	4.48	4.69
#FFFFFF	4.69	1.00	21.00	1.00
#000000	4.48	21.00	1.00	21.00
##FFFFFF	4.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B7BBA

Deuteranopia (green-blind)

#476EB6

Tritanopia (blue-blind)

#00878F

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #2d78b7;
/* rgb */ color: rgb(45, 120, 183);
/* oklch */ color: oklch(55.7% 0.122 247.7);

Tailwind

colors: {
  custom: {
    50: '#799ecd',
    500: '#2d78b7',
    950: '#000000',
  },
}

SCSS

$custom: #2d78b7;
$custom-light: #799ecd;
$custom-dark: #000000;

JSON

{
  "hex": "#2d78b7",
  "rgb": {
    "r": 45,
    "g": 120,
    "b": 183
  },
  "hsl": {
    "h": 207.391,
    "s": 60.526,
    "l": 44.706
  },
  "oklch": {
    "l": 0.55693,
    "c": 0.12221,
    "h": 247.7
  },
  "luminance": 0.1741
}

Semantic roles & 50–950 ramp

primary

#2D78B7

secondary

#C89C78

accent

#8D44E4

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #2D78B7

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

Preview Lab → · Contrast checker → · Palette generator →