#4D78BF#4D78BF

#4D78BF is a mid, vivid blue. Relative luminance 0.188; OKLCH L 57.5% C 0.120 H 260.0°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#4D78BF
RGB	rgb(77, 120, 191)
HSL	hsl(217, 47%, 53%)
HSV	hsv(217, 60%, 75%)
CMYK	cmyk(59.7%, 37.2%, 0%, 25.1%)
CIE-LAB	lab(50.42, 6.98, -41.71)
CIE-LCH	lch(50.42, 42.29, 279.50°)
OKLab	oklab(57.46% -0.0209 -0.1182)
OKLCH	oklch(57.46% 0.12 260)
XYZ	xyz(19.1777, 18.7707, 51.8926)
Luminance	0.1877 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D78BF #BF944D

analogous

#4DB1BF #4D78BF #5B4DBF

triadic

#4D78BF #BF4D78 #78BF4D

tetradic

#4D78BF #BF4DB1 #BF944D #4DBF5B

square

#4D78BF #BF4DB1 #BF944D #4DBF5B

split-complementary

#4D78BF #BF5B4D #B1BF4D

monochromatic

#27406B #375B98 #4D78BF #7A9ACF #A7BCDF

Accessibility & contrast

On white

4.42

#4D78BF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#4D78BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4D78BF

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D78BF	#FFFFFF	#000000	##000000
##4D78BF	1.00	4.42	4.75	4.75
#FFFFFF	4.42	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)

#5A7EC2

Deuteranopia (green-blind)

#4B73BE

Tritanopia (blue-blind)

#008892

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #4d78bf;
/* rgb */ color: rgb(77, 120, 191);
/* oklch */ color: oklch(57.5% 0.120 260.0);

Tailwind

colors: {
  custom: {
    50: '#889ed2',
    500: '#4d78bf',
    950: '#000000',
  },
}

SCSS

$custom: #4d78bf;
$custom-light: #889ed2;
$custom-dark: #000000;

JSON

{
  "hex": "#4d78bf",
  "rgb": {
    "r": 77,
    "g": 120,
    "b": 191
  },
  "hsl": {
    "h": 217.368,
    "s": 47.107,
    "l": 52.549
  },
  "oklch": {
    "l": 0.57458,
    "c": 0.12008,
    "h": 260
  },
  "luminance": 0.18772
}

Semantic roles & 50–950 ramp

primary

#4D78BF

secondary

#CDBA9B

accent

#A451D7

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #4D78BF

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

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