#4D79BB#4D79BB

#4D79BB is a mid, moderate blue. Relative luminance 0.188; OKLCH L 57.5% C 0.114 H 258.3°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#4D79BB
RGB	rgb(77, 121, 187)
HSL	hsl(216, 45%, 52%)
HSV	hsv(216, 59%, 73%)
CMYK	cmyk(58.8%, 35.3%, 0%, 26.7%)
CIE-LAB	lab(50.50, 5.03, -39.28)
CIE-LCH	lch(50.50, 39.60, 277.29°)
OKLab	oklab(57.45% -0.023 -0.1111)
OKLCH	oklch(57.45% 0.114 258.3)
XYZ	xyz(18.8644, 18.8388, 49.6462)
Luminance	0.1884 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D79BB #BB8F4D

analogous

#4DB0BB #4D79BB #584DBB

triadic

#4D79BB #BB4D79 #79BB4D

tetradic

#4D79BB #BB4DB0 #BB8F4D #4DBB58

square

#4D79BB #BB4DB0 #BB8F4D #4DBB58

split-complementary

#4D79BB #BB584D #B0BB4D

monochromatic

#274066 #385C93 #4D79BB #799ACC #A6BCDD

Accessibility & contrast

On white

4.40

#4D79BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#4D79BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4D79BB

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D79BB	#FFFFFF	#000000	##000000
##4D79BB	1.00	4.40	4.77	4.77
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.77	21.00	1.00	1.00
##000000	4.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E7EBE

Deuteranopia (green-blind)

#4F73BA

Tritanopia (blue-blind)

#008891

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #4d79bb;
/* rgb */ color: rgb(77, 121, 187);
/* oklch */ color: oklch(57.5% 0.114 258.3);

Tailwind

colors: {
  custom: {
    50: '#879fd0',
    500: '#4d79bb',
    950: '#000000',
  },
}

SCSS

$custom: #4d79bb;
$custom-light: #879fd0;
$custom-dark: #000000;

JSON

{
  "hex": "#4d79bb",
  "rgb": {
    "r": 77,
    "g": 121,
    "b": 187
  },
  "hsl": {
    "h": 216,
    "s": 44.715,
    "l": 51.765
  },
  "oklch": {
    "l": 0.57454,
    "c": 0.11351,
    "h": 258.3
  },
  "luminance": 0.1884
}

Semantic roles & 50–950 ramp

primary

#4D79BB

secondary

#CAB79A

accent

#A153D4

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #4D79BB

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

Preview Lab → · Contrast checker → · Palette generator →