#4E78BD#4E78BD

#4E78BD is a mid, moderate blue. Relative luminance 0.187; OKLCH L 57.4% C 0.117 H 259.9°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#4E78BD
RGB	rgb(78, 120, 189)
HSL	hsl(217, 46%, 52%)
HSV	hsv(217, 59%, 74%)
CMYK	cmyk(58.7%, 36.5%, 0%, 25.9%)
CIE-LAB	lab(50.36, 6.51, -40.64)
CIE-LCH	lch(50.36, 41.16, 279.10°)
OKLab	oklab(57.4% -0.0205 -0.1151)
OKLCH	oklch(57.4% 0.117 259.9)
XYZ	xyz(19.0405, 18.7252, 50.7452)
Luminance	0.1873 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E78BD #BD934E

analogous

#4EB0BD #4E78BD #5B4EBD

triadic

#4E78BD #BD4E78 #78BD4E

tetradic

#4E78BD #BD4EB0 #BD934E #4EBD5B

square

#4E78BD #BD4EB0 #BD934E #4EBD5B

split-complementary

#4E78BD #BD5B4E #B0BD4E

monochromatic

#274069 #385B96 #4E78BD #7B9ACE #A7BCDE

Accessibility & contrast

On white

4.43

#4E78BD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#4E78BD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E78BD

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E78BD	#FFFFFF	#000000	##000000
##4E78BD	1.00	4.43	4.75	4.75
#FFFFFF	4.43	1.00	21.00	21.00
#000000	4.75	21.00	1.00	1.00
##000000	4.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B7EC0

Deuteranopia (green-blind)

#4D73BC

Tritanopia (blue-blind)

#008791

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #4e78bd;
/* rgb */ color: rgb(78, 120, 189);
/* oklch */ color: oklch(57.4% 0.117 259.9);

Tailwind

colors: {
  custom: {
    50: '#889ed1',
    500: '#4e78bd',
    950: '#000000',
  },
}

SCSS

$custom: #4e78bd;
$custom-light: #889ed1;
$custom-dark: #000000;

JSON

{
  "hex": "#4e78bd",
  "rgb": {
    "r": 78,
    "g": 120,
    "b": 189
  },
  "hsl": {
    "h": 217.297,
    "s": 45.679,
    "l": 52.353
  },
  "oklch": {
    "l": 0.57396,
    "c": 0.11693,
    "h": 259.9
  },
  "luminance": 0.18727
}

Semantic roles & 50–950 ramp

primary

#4E78BD

secondary

#CCB99B

accent

#A452D5

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #4E78BD

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

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