#4D78BA#4D78BA

#4D78BA is a mid, moderate blue. Relative luminance 0.186; OKLCH L 57.2% C 0.113 H 258.7°. Best body text is #000000 at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#4D78BA
RGB	rgb(77, 120, 186)
HSL	hsl(216, 44%, 52%)
HSV	hsv(216, 59%, 73%)
CMYK	cmyk(58.6%, 35.5%, 0%, 27.1%)
CIE-LAB	lab(50.16, 5.30, -39.24)
CIE-LCH	lch(50.16, 39.60, 277.69°)
OKLab	oklab(57.18% -0.0222 -0.111)
OKLCH	oklch(57.18% 0.113 258.7)
XYZ	xyz(18.6369, 18.5543, 49.0441)
Luminance	0.1856 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D78BA #BA8F4D

analogous

#4DAFBA #4D78BA #594DBA

triadic

#4D78BA #BA4D78 #78BA4D

tetradic

#4D78BA #BA4DAF #BA8F4D #4DBA59

square

#4D78BA #BA4DAF #BA8F4D #4DBA59

split-complementary

#4D78BA #BA594D #AFBA4D

monochromatic

#274065 #385C91 #4D78BA #7999CB #A5BBDC

Accessibility & contrast

On white

4.46

#4D78BA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.71

#4D78BA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4D78BA

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D78BA	#FFFFFF	#000000	##000000
##4D78BA	1.00	4.46	4.71	4.71
#FFFFFF	4.46	1.00	21.00	21.00
#000000	4.71	21.00	1.00	1.00
##000000	4.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D7DBD

Deuteranopia (green-blind)

#4E73B9

Tritanopia (blue-blind)

#008790

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #4d78ba;
/* rgb */ color: rgb(77, 120, 186);
/* oklch */ color: oklch(57.2% 0.113 258.7);

Tailwind

colors: {
  custom: {
    50: '#879ecf',
    500: '#4d78ba',
    950: '#000000',
  },
}

SCSS

$custom: #4d78ba;
$custom-light: #879ecf;
$custom-dark: #000000;

JSON

{
  "hex": "#4d78ba",
  "rgb": {
    "r": 77,
    "g": 120,
    "b": 186
  },
  "hsl": {
    "h": 216.33,
    "s": 44.13,
    "l": 51.569
  },
  "oklch": {
    "l": 0.57175,
    "c": 0.11323,
    "h": 258.7
  },
  "luminance": 0.18556
}

Semantic roles & 50–950 ramp

primary

#4D78BA

secondary

#C9B699

accent

#A154D4

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #4D78BA

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

Preview Lab → · Contrast checker → · Palette generator →