#4F71D3#4F71D3

#4F71D3 is a mid, vivid blue. Relative luminance 0.182; OKLCH L 57.3% C 0.155 H 267.1°. Best body text is #000000 at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#4F71D3
RGB	rgb(79, 113, 211)
HSL	hsl(225, 60%, 57%)
HSV	hsv(225, 63%, 83%)
CMYK	cmyk(62.6%, 46.4%, 0%, 17.3%)
CIE-LAB	lab(49.71, 18.49, -54.27)
CIE-LCH	lch(49.71, 57.33, 288.82°)
OKLab	oklab(57.3% -0.008 -0.1551)
OKLCH	oklch(57.3% 0.155 267.1)
XYZ	xyz(20.8834, 18.1738, 64.0228)
Luminance	0.1818 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F71D3 #D3B14F

analogous

#4FB3D3 #4F71D3 #6F4FD3

triadic

#4F71D3 #D34F71 #71D34F

tetradic

#4F71D3 #D34FB3 #D3B14F #4FD36F

square

#4F71D3 #D34FB3 #D3B14F #4FD36F

split-complementary

#4F71D3 #D36F4F #B3D34F

monochromatic

#223B86 #2E51B7 #4F71D3 #8099DF #B1C0EB

Accessibility & contrast

On white

4.53

#4F71D3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.64

#4F71D3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F71D3

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F71D3	#FFFFFF	#000000	##000000
##4F71D3	1.00	4.53	4.64	4.64
#FFFFFF	4.53	1.00	21.00	21.00
#000000	4.64	21.00	1.00	1.00
##000000	4.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#417DD7

Deuteranopia (green-blind)

#2971D1

Tritanopia (blue-blind)

#008798

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #4f71d3;
/* rgb */ color: rgb(79, 113, 211);
/* oklch */ color: oklch(57.3% 0.155 267.1);

Tailwind

colors: {
  custom: {
    50: '#8c99e1',
    500: '#4f71d3',
    950: '#000000',
  },
}

SCSS

$custom: #4f71d3;
$custom-light: #8c99e1;
$custom-dark: #000000;

JSON

{
  "hex": "#4f71d3",
  "rgb": {
    "r": 79,
    "g": 113,
    "b": 211
  },
  "hsl": {
    "h": 224.545,
    "s": 60,
    "l": 56.863
  },
  "oklch": {
    "l": 0.57301,
    "c": 0.15533,
    "h": 267.1
  },
  "luminance": 0.18176
}

Semantic roles & 50–950 ramp

primary

#4F71D3

secondary

#DACCA4

accent

#BA45E3

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #4F71D3

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

Preview Lab → · Contrast checker → · Palette generator →