#4C78CD#4C78CD

#4C78CD is a mid, vivid blue. Relative luminance 0.194; OKLCH L 58.2% C 0.140 H 262.3°. Best body text is #000000 at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#4C78CD
RGB	rgb(76, 120, 205)
HSL	hsl(220, 56%, 55%)
HSV	hsv(220, 63%, 80%)
CMYK	cmyk(62.9%, 41.5%, 0%, 19.6%)
CIE-LAB	lab(51.12, 11.56, -48.60)
CIE-LCH	lch(51.12, 49.95, 283.38°)
OKLab	oklab(58.24% -0.0188 -0.1384)
OKLCH	oklch(58.24% 0.14 262.3)
XYZ	xyz(20.7126, 19.3753, 60.3940)
Luminance	0.1938 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C78CD #CDA14C

analogous

#4CB8CD #4C78CD #614CCD

triadic

#4C78CD #CD4C78 #78CD4C

tetradic

#4C78CD #CD4CB8 #CDA14C #4CCD61

square

#4C78CD #CD4CB8 #CDA14C #4CCD61

split-complementary

#4C78CD #CD614C #B8CD4C

monochromatic

#23417C #305AAC #4C78CD #7C9CDA #ACC0E8

Accessibility & contrast

On white

4.31

#4C78CD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.88

#4C78CD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4C78CD

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C78CD	#FFFFFF	#000000	##000000
##4C78CD	1.00	4.31	4.88	4.88
#FFFFFF	4.31	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: #4c78cd;
/* rgb */ color: rgb(76, 120, 205);
/* oklch */ color: oklch(58.2% 0.140 262.3);

Tailwind

colors: {
  custom: {
    50: '#8a9edd',
    500: '#4c78cd',
    950: '#000000',
  },
}

SCSS

$custom: #4c78cd;
$custom-light: #8a9edd;
$custom-dark: #000000;

JSON

{
  "hex": "#4c78cd",
  "rgb": {
    "r": 76,
    "g": 120,
    "b": 205
  },
  "hsl": {
    "h": 219.535,
    "s": 56.332,
    "l": 55.098
  },
  "oklch": {
    "l": 0.58237,
    "c": 0.1397,
    "h": 262.3
  },
  "luminance": 0.19377
}

Semantic roles & 50–950 ramp

primary

#4C78CD

secondary

#D5C39F

accent

#AC48E0

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #4C78CD

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

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