#4E78BF#4E78BF

#4E78BF is a mid, moderate blue. Relative luminance 0.188; OKLCH L 57.5% C 0.120 H 260.3°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#4E78BF
RGB	rgb(78, 120, 191)
HSL	hsl(218, 47%, 53%)
HSV	hsv(218, 59%, 75%)
CMYK	cmyk(59.2%, 37.2%, 0%, 25.1%)
CIE-LAB	lab(50.47, 7.18, -41.63)
CIE-LCH	lch(50.47, 42.24, 279.79°)
OKLab	oklab(57.51% -0.0201 -0.118)
OKLCH	oklch(57.51% 0.12 260.3)
XYZ	xyz(19.2591, 18.8126, 51.8964)
Luminance	0.1881 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E78BF #BF954E

analogous

#4EB1BF #4E78BF #5C4EBF

triadic

#4E78BF #BF4E78 #78BF4E

tetradic

#4E78BF #BF4EB1 #BF954E #4EBF5C

square

#4E78BF #BF4EB1 #BF954E #4EBF5C

split-complementary

#4E78BF #BF5C4E #B1BF4E

monochromatic

#27406C #375B99 #4E78BF #7B9ACF #A8BDE0

Accessibility & contrast

On white

4.41

#4E78BF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.76

#4E78BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E78BF

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E78BF	#FFFFFF	#000000	##000000
##4E78BF	1.00	4.41	4.76	4.76
#FFFFFF	4.41	1.00	21.00	21.00
#000000	4.76	21.00	1.00	1.00
##000000	4.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A7EC2

Deuteranopia (green-blind)

#4B73BE

Tritanopia (blue-blind)

#008892

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #4e78bf;
/* rgb */ color: rgb(78, 120, 191);
/* oklch */ color: oklch(57.5% 0.120 260.3);

Tailwind

colors: {
  custom: {
    50: '#899ed2',
    500: '#4e78bf',
    950: '#000000',
  },
}

SCSS

$custom: #4e78bf;
$custom-light: #899ed2;
$custom-dark: #000000;

JSON

{
  "hex": "#4e78bf",
  "rgb": {
    "r": 78,
    "g": 120,
    "b": 191
  },
  "hsl": {
    "h": 217.699,
    "s": 46.888,
    "l": 52.745
  },
  "oklch": {
    "l": 0.5751,
    "c": 0.11968,
    "h": 260.3
  },
  "luminance": 0.18814
}

Semantic roles & 50–950 ramp

primary

#4E78BF

secondary

#CDBB9C

accent

#A551D7

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #4E78BF

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

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