#4F71D9#4F71D9

#4F71D9 is a mid, vivid blue. Relative luminance 0.185; OKLCH L 57.7% C 0.164 H 267.5°. Best body text is #000000 at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#4F71D9
RGB	rgb(79, 113, 217)
HSL	hsl(225, 64%, 58%)
HSV	hsv(225, 64%, 85%)
CMYK	cmyk(63.6%, 47.9%, 0%, 14.9%)
CIE-LAB	lab(50.07, 20.56, -57.08)
CIE-LCH	lch(50.07, 60.67, 289.81°)
OKLab	oklab(57.7% -0.0072 -0.1634)
OKLCH	oklch(57.7% 0.164 267.5)
XYZ	xyz(21.6497, 18.4803, 68.0583)
Luminance	0.1848 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F71D9 #D9B74F

analogous

#4FB6D9 #4F71D9 #724FD9

triadic

#4F71D9 #D94F71 #71D94F

tetradic

#4F71D9 #D94FB6 #D9B74F #4FD972

square

#4F71D9 #D94FB6 #D9B74F #4FD972

split-complementary

#4F71D9 #D9724F #B6D94F

monochromatic

#1F3A8F #2A4FC1 #4F71D9 #819AE4 #B4C2EF

Accessibility & contrast

On white

4.47

#4F71D9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.70

#4F71D9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F71D9

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F71D9	#FFFFFF	#000000	##000000
##4F71D9	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)

#3B7EDD

Deuteranopia (green-blind)

#1E71D7

Tritanopia (blue-blind)

#00899A

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #4f71d9;
/* rgb */ color: rgb(79, 113, 217);
/* oklch */ color: oklch(57.7% 0.164 267.5);

Tailwind

colors: {
  custom: {
    50: '#8d99e5',
    500: '#4f71d9',
    950: '#000000',
  },
}

SCSS

$custom: #4f71d9;
$custom-light: #8d99e5;
$custom-dark: #000000;

JSON

{
  "hex": "#4f71d9",
  "rgb": {
    "r": 79,
    "g": 113,
    "b": 217
  },
  "hsl": {
    "h": 225.217,
    "s": 64.486,
    "l": 58.039
  },
  "oklch": {
    "l": 0.577,
    "c": 0.16356,
    "h": 267.5
  },
  "luminance": 0.18482
}

Semantic roles & 50–950 ramp

primary

#4F71D9

secondary

#DDD0A6

accent

#BE40E7

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #4F71D9

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

Preview Lab → · Contrast checker → · Palette generator →