#4B77DB#4B77DB

#4B77DB is a mid, vivid blue. Relative luminance 0.198; OKLCH L 58.9% C 0.160 H 264.2°. Best body text is #000000 at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#4B77DB
RGB	rgb(75, 119, 219)
HSL	hsl(222, 67%, 58%)
HSV	hsv(222, 66%, 86%)
CMYK	cmyk(65.8%, 45.7%, 0%, 14.1%)
CIE-LAB	lab(51.61, 16.86, -55.75)
CIE-LCH	lch(51.61, 58.25, 286.83°)
OKLab	oklab(58.86% -0.0162 -0.1595)
OKLCH	oklch(58.86% 0.16 264.2)
XYZ	xyz(22.2802, 19.8018, 69.6521)
Luminance	0.1980 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B77DB #DBAF4B

analogous

#4BBFDB #4B77DB #674BDB

triadic

#4B77DB #DB4B77 #77DB4B

tetradic

#4B77DB #DB4BBF #DBAF4B #4BDB67

square

#4B77DB #DB4BBF #DBAF4B #4BDB67

split-complementary

#4B77DB #DB674B #BFDB4B

monochromatic

#1D408F #2756C2 #4B77DB #7E9EE5 #B1C4EF

Accessibility & contrast

On white

4.23

#4B77DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.96

#4B77DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B77DB

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B77DB	#FFFFFF	#000000	##000000
##4B77DB	1.00	4.23	4.96	4.96
#FFFFFF	4.23	1.00	21.00	21.00
#000000	4.96	21.00	1.00	1.00
##000000	4.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4582DF

Deuteranopia (green-blind)

#2A75D9

Tritanopia (blue-blind)

#008E9E

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #4b77db;
/* rgb */ color: rgb(75, 119, 219);
/* oklch */ color: oklch(58.9% 0.160 264.2);

Tailwind

colors: {
  custom: {
    50: '#8c9de7',
    500: '#4b77db',
    950: '#000000',
  },
}

SCSS

$custom: #4b77db;
$custom-light: #8c9de7;
$custom-dark: #000000;

JSON

{
  "hex": "#4b77db",
  "rgb": {
    "r": 75,
    "g": 119,
    "b": 219
  },
  "hsl": {
    "h": 221.667,
    "s": 66.667,
    "l": 57.647
  },
  "oklch": {
    "l": 0.58863,
    "c": 0.1603,
    "h": 264.2
  },
  "luminance": 0.19804
}

Semantic roles & 50–950 ramp

primary

#4B77DB

secondary

#DECCA4

accent

#B53EEA

background

#F9F9FE

surface

#F1F2FC

border

#CBCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4B77DB

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

Preview Lab → · Contrast checker → · Palette generator →