#4D78BE#4D78BE

#4D78BE is a mid, moderate blue. Relative luminance 0.187; OKLCH L 57.4% C 0.119 H 259.7°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#4D78BE
RGB	rgb(77, 120, 190)
HSL	hsl(217, 47%, 52%)
HSV	hsv(217, 59%, 75%)
CMYK	cmyk(59.5%, 36.8%, 0%, 25.5%)
CIE-LAB	lab(50.37, 6.64, -41.22)
CIE-LCH	lch(50.37, 41.75, 279.15°)
OKLab	oklab(57.4% -0.0212 -0.1168)
OKLCH	oklch(57.4% 0.119 259.7)
XYZ	xyz(19.0681, 18.7268, 51.3150)
Luminance	0.1873 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D78BE #BE934D

analogous

#4DB1BE #4D78BE #5A4DBE

triadic

#4D78BE #BE4D78 #78BE4D

tetradic

#4D78BE #BE4DB1 #BE934D #4DBE5A

square

#4D78BE #BE4DB1 #BE934D #4DBE5A

split-complementary

#4D78BE #BE5A4D #B1BE4D

monochromatic

#27406A #375B97 #4D78BE #7A9ACE #A7BCDF

Accessibility & contrast

On white

4.43

#4D78BE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#4D78BE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4D78BE

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D78BE	#FFFFFF	#000000	##000000
##4D78BE	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)

#5B7EC1

Deuteranopia (green-blind)

#4C73BD

Tritanopia (blue-blind)

#008892

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #4d78be;
/* rgb */ color: rgb(77, 120, 190);
/* oklch */ color: oklch(57.4% 0.119 259.7);

Tailwind

colors: {
  custom: {
    50: '#889ed2',
    500: '#4d78be',
    950: '#000000',
  },
}

SCSS

$custom: #4d78be;
$custom-light: #889ed2;
$custom-dark: #000000;

JSON

{
  "hex": "#4d78be",
  "rgb": {
    "r": 77,
    "g": 120,
    "b": 190
  },
  "hsl": {
    "h": 217.168,
    "s": 46.502,
    "l": 52.353
  },
  "oklch": {
    "l": 0.57401,
    "c": 0.11871,
    "h": 259.7
  },
  "luminance": 0.18728
}

Semantic roles & 50–950 ramp

primary

#4D78BE

secondary

#CCB99B

accent

#A452D6

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #4D78BE

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

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