#4D78CD#4D78CD

#4D78CD is a mid, vivid blue. Relative luminance 0.194; OKLCH L 58.3% C 0.139 H 262.6°. Best body text is #000000 at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#4D78CD
RGB	rgb(77, 120, 205)
HSL	hsl(220, 56%, 55%)
HSV	hsv(220, 62%, 80%)
CMYK	cmyk(62.4%, 41.5%, 0%, 19.6%)
CIE-LAB	lab(51.17, 11.74, -48.52)
CIE-LCH	lch(51.17, 49.92, 283.61°)
OKLab	oklab(58.29% -0.0179 -0.1382)
OKLCH	oklch(58.29% 0.139 262.6)
XYZ	xyz(20.7926, 19.4166, 60.3978)
Luminance	0.1942 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D78CD #CDA24D

analogous

#4DB8CD #4D78CD #624DCD

triadic

#4D78CD #CD4D78 #78CD4D

tetradic

#4D78CD #CD4DB8 #CDA24D #4DCD62

square

#4D78CD #CD4DB8 #CDA24D #4DCD62

split-complementary

#4D78CD #CD624D #B8CD4D

monochromatic

#23417D #305AAC #4D78CD #7D9CDA #ADC0E8

Accessibility & contrast

On white

4.30

#4D78CD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.88

#4D78CD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4D78CD

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D78CD	#FFFFFF	#000000	##000000
##4D78CD	1.00	4.30	4.88	4.88
#FFFFFF	4.30	1.00	21.00	21.00
#000000	4.88	21.00	1.00	1.00
##000000	4.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5280D0

Deuteranopia (green-blind)

#3F74CB

Tritanopia (blue-blind)

#008B98

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #4d78cd;
/* rgb */ color: rgb(77, 120, 205);
/* oklch */ color: oklch(58.3% 0.139 262.6);

Tailwind

colors: {
  custom: {
    50: '#8a9edd',
    500: '#4d78cd',
    950: '#000000',
  },
}

SCSS

$custom: #4d78cd;
$custom-light: #8a9edd;
$custom-dark: #000000;

JSON

{
  "hex": "#4d78cd",
  "rgb": {
    "r": 77,
    "g": 120,
    "b": 205
  },
  "hsl": {
    "h": 219.844,
    "s": 56.14,
    "l": 55.294
  },
  "oklch": {
    "l": 0.58287,
    "c": 0.13933,
    "h": 262.6
  },
  "luminance": 0.19419
}

Semantic roles & 50–950 ramp

primary

#4D78CD

secondary

#D6C4A0

accent

#AD48DF

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #4D78CD

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

Preview Lab → · Contrast checker → · Palette generator →