#4D78BD#4D78BD

#4D78BD is a mid, moderate blue. Relative luminance 0.187; OKLCH L 57.3% C 0.117 H 259.5°. Best body text is #000000 at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#4D78BD
RGB	rgb(77, 120, 189)
HSL	hsl(217, 46%, 52%)
HSV	hsv(217, 59%, 74%)
CMYK	cmyk(59.3%, 36.5%, 0%, 25.9%)
CIE-LAB	lab(50.31, 6.31, -40.72)
CIE-LCH	lch(50.31, 41.21, 278.80°)
OKLab	oklab(57.34% -0.0214 -0.1154)
OKLCH	oklch(57.34% 0.117 259.5)
XYZ	xyz(18.9591, 18.6832, 50.7414)
Luminance	0.1868 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D78BD #BD924D

analogous

#4DB0BD #4D78BD #5A4DBD

triadic

#4D78BD #BD4D78 #78BD4D

tetradic

#4D78BD #BD4DB0 #BD924D #4DBD5A

square

#4D78BD #BD4DB0 #BD924D #4DBD5A

split-complementary

#4D78BD #BD5A4D #B0BD4D

monochromatic

#274069 #375B95 #4D78BD #7A9ACE #A6BCDE

Accessibility & contrast

On white

4.43

#4D78BD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.74

#4D78BD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4D78BD

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D78BD	#FFFFFF	#000000	##000000
##4D78BD	1.00	4.43	4.74	4.74
#FFFFFF	4.43	1.00	21.00	21.00
#000000	4.74	21.00	1.00	1.00
##000000	4.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B7DC0

Deuteranopia (green-blind)

#4C73BC

Tritanopia (blue-blind)

#008791

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #4d78bd;
/* rgb */ color: rgb(77, 120, 189);
/* oklch */ color: oklch(57.3% 0.117 259.5);

Tailwind

colors: {
  custom: {
    50: '#889ed1',
    500: '#4d78bd',
    950: '#000000',
  },
}

SCSS

$custom: #4d78bd;
$custom-light: #889ed1;
$custom-dark: #000000;

JSON

{
  "hex": "#4d78bd",
  "rgb": {
    "r": 77,
    "g": 120,
    "b": 189
  },
  "hsl": {
    "h": 216.964,
    "s": 45.902,
    "l": 52.157
  },
  "oklch": {
    "l": 0.57344,
    "c": 0.11734,
    "h": 259.5
  },
  "luminance": 0.18685
}

Semantic roles & 50–950 ramp

primary

#4D78BD

secondary

#CBB99A

accent

#A352D6

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #4D78BD

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

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