#4D79DB#4D79DB

#4D79DB is a mid, vivid blue. Relative luminance 0.204; OKLCH L 59.4% C 0.157 H 264.0°. Best body text is #000000 at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#4D79DB
RGB	rgb(77, 121, 219)
HSL	hsl(221, 66%, 58%)
HSV	hsv(221, 65%, 86%)
CMYK	cmyk(64.8%, 44.7%, 0%, 14.1%)
CIE-LAB	lab(52.25, 15.96, -54.73)
CIE-LCH	lch(52.25, 57.01, 286.25°)
OKLab	oklab(59.38% -0.0163 -0.1564)
OKLCH	oklch(59.38% 0.157 264)
XYZ	xyz(22.6797, 20.3649, 69.7397)
Luminance	0.2037 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D79DB #DBAF4D

analogous

#4DC0DB #4D79DB #684DDB

triadic

#4D79DB #DB4D79 #79DB4D

tetradic

#4D79DB #DB4DC0 #DBAF4D #4DDB68

square

#4D79DB #DB4DC0 #DBAF4D #4DDB68

split-complementary

#4D79DB #DB684D #C0DB4D

monochromatic

#1D4190 #2758C3 #4D79DB #809FE5 #B3C6F0

Accessibility & contrast

On white

4.14

#4D79DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.07

#4D79DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4D79DB

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D79DB	#FFFFFF	#000000	##000000
##4D79DB	1.00	4.14	5.07	5.07
#FFFFFF	4.14	1.00	21.00	21.00
#000000	5.07	21.00	1.00	1.00
##000000	5.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4984DF

Deuteranopia (green-blind)

#3177D9

Tritanopia (blue-blind)

#008F9F

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #4d79db;
/* rgb */ color: rgb(77, 121, 219);
/* oklch */ color: oklch(59.4% 0.157 264.0);

Tailwind

colors: {
  custom: {
    50: '#8c9fe7',
    500: '#4d79db',
    950: '#000000',
  },
}

SCSS

$custom: #4d79db;
$custom-light: #8c9fe7;
$custom-dark: #000000;

JSON

{
  "hex": "#4d79db",
  "rgb": {
    "r": 77,
    "g": 121,
    "b": 219
  },
  "hsl": {
    "h": 221.408,
    "s": 66.355,
    "l": 58.039
  },
  "oklch": {
    "l": 0.59375,
    "c": 0.15726,
    "h": 264
  },
  "luminance": 0.20367
}

Semantic roles & 50–950 ramp

primary

#4D79DB

secondary

#DECDA6

accent

#B43FE9

background

#F9F9FE

surface

#F1F2FC

border

#CBCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4D79DB

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

Preview Lab → · Contrast checker → · Palette generator →