#2D78B9#2D78B9

#2D78B9 is a mid, vivid cyan. Relative luminance 0.175; OKLCH L 55.8% C 0.125 H 248.4°. Best body text is #FFFFFF at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#2D78B9
RGB	rgb(45, 120, 185)
HSL	hsl(208, 61%, 45%)
HSV	hsv(208, 76%, 73%)
CMYK	cmyk(75.7%, 35.1%, 0%, 27.5%)
CIE-LAB	lab(48.87, -0.41, -40.78)
CIE-LCH	lch(48.87, 40.78, 269.42°)
OKLab	oklab(55.81% -0.0458 -0.116)
OKLCH	oklch(55.81% 0.125 248.4)
XYZ	xyz(16.5523, 17.4917, 48.3934)
Luminance	0.1749 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D78B9 #B96E2D

analogous

#2DB9B4 #2D78B9 #2D32B9

triadic

#2D78B9 #B92D78 #78B92D

tetradic

#2D78B9 #B42DB9 #B96E2D #32B92D

square

#2D78B9 #B42DB9 #B96E2D #32B92D

split-complementary

#2D78B9 #B92D32 #B9B42D

monochromatic

#153857 #215888 #2D78B9 #4F96D4 #80B4E0

Accessibility & contrast

On white

4.67

#2D78B9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.50

#2D78B9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #2D78B9

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D78B9	#FFFFFF	#000000	##FFFFFF
##2D78B9	1.00	4.67	4.50	4.67
#FFFFFF	4.67	1.00	21.00	1.00
#000000	4.50	21.00	1.00	21.00
##FFFFFF	4.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A7BBC

Deuteranopia (green-blind)

#466EB8

Tritanopia (blue-blind)

#008890

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #2d78b9;
/* rgb */ color: rgb(45, 120, 185);
/* oklch */ color: oklch(55.8% 0.125 248.4);

Tailwind

colors: {
  custom: {
    50: '#799ece',
    500: '#2d78b9',
    950: '#000000',
  },
}

SCSS

$custom: #2d78b9;
$custom-light: #799ece;
$custom-dark: #000000;

JSON

{
  "hex": "#2d78b9",
  "rgb": {
    "r": 45,
    "g": 120,
    "b": 185
  },
  "hsl": {
    "h": 207.857,
    "s": 60.87,
    "l": 45.098
  },
  "oklch": {
    "l": 0.55809,
    "c": 0.12469,
    "h": 248.4
  },
  "luminance": 0.17494
}

Semantic roles & 50–950 ramp

primary

#2D78B9

secondary

#C99E79

accent

#8E44E4

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #2D78B9

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

Preview Lab → · Contrast checker → · Palette generator →