#4D71DB#4D71DB

#4D71DB is a mid, vivid blue. Relative luminance 0.185; OKLCH L 57.7% C 0.167 H 267.0°. Best body text is #000000 at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#4D71DB
RGB	rgb(77, 113, 219)
HSL	hsl(225, 66%, 58%)
HSV	hsv(225, 65%, 86%)
CMYK	cmyk(64.8%, 48.4%, 0%, 14.1%)
CIE-LAB	lab(50.10, 20.91, -58.18)
CIE-LCH	lch(50.10, 61.83, 289.77°)
OKLab	oklab(57.73% -0.0088 -0.1667)
OKLCH	oklch(57.73% 0.167 267)
XYZ	xyz(21.7475, 18.5005, 69.4290)
Luminance	0.1850 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D71DB #DBB74D

analogous

#4DB8DB #4D71DB #704DDB

triadic

#4D71DB #DB4D71 #71DB4D

tetradic

#4D71DB #DB4DB8 #DBB74D #4DDB70

square

#4D71DB #DB4DB8 #DBB74D #4DDB70

split-complementary

#4D71DB #DB704D #B8DB4D

monochromatic

#1D3A90 #274FC3 #4D71DB #809AE5 #B3C2F0

Accessibility & contrast

On white

4.47

#4D71DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.70

#4D71DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4D71DB

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D71DB	#FFFFFF	#000000	##000000
##4D71DB	1.00	4.47	4.70	4.70
#FFFFFF	4.47	1.00	21.00	21.00
#000000	4.70	21.00	1.00	1.00
##000000	4.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#387EDF

Deuteranopia (green-blind)

#1671D9

Tritanopia (blue-blind)

#008A9B

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #4d71db;
/* rgb */ color: rgb(77, 113, 219);
/* oklch */ color: oklch(57.7% 0.167 267.0);

Tailwind

colors: {
  custom: {
    50: '#8d99e7',
    500: '#4d71db',
    950: '#000000',
  },
}

SCSS

$custom: #4d71db;
$custom-light: #8d99e7;
$custom-dark: #000000;

JSON

{
  "hex": "#4d71db",
  "rgb": {
    "r": 77,
    "g": 113,
    "b": 219
  },
  "hsl": {
    "h": 224.789,
    "s": 66.355,
    "l": 58.039
  },
  "oklch": {
    "l": 0.57731,
    "c": 0.1669,
    "h": 267
  },
  "luminance": 0.18503
}

Semantic roles & 50–950 ramp

primary

#4D71DB

secondary

#DED0A6

accent

#BE3FE9

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #4D71DB

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

Preview Lab → · Contrast checker → · Palette generator →