#4079D3#4079D3

#4079D3 is a mid, vivid blue. Relative luminance 0.195; OKLCH L 58.3% C 0.151 H 259.2°. Best body text is #000000 at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#4079D3
RGB	rgb(64, 121, 211)
HSL	hsl(217, 63%, 54%)
HSV	hsv(217, 70%, 83%)
CMYK	cmyk(69.7%, 42.7%, 0%, 17.3%)
CIE-LAB	lab(51.23, 11.08, -51.87)
CIE-LCH	lch(51.23, 53.04, 282.05°)
OKLab	oklab(58.29% -0.0282 -0.1482)
OKLCH	oklch(58.29% 0.151 259.2)
XYZ	xyz(20.7054, 19.4657, 64.2814)
Luminance	0.1947 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4079D3 #D39A40

analogous

#40C2D3 #4079D3 #5140D3

triadic

#4079D3 #D34079 #79D340

tetradic

#4079D3 #D340C2 #D39A40 #40D351

square

#4079D3 #D340C2 #D39A40 #40D351

split-complementary

#4079D3 #D35140 #C2D340

monochromatic

#1D427C #285CAE #4079D3 #729CDE #A3BFEA

Accessibility & contrast

On white

4.29

#4079D3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.89

#4079D3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4079D3

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4079D3	#FFFFFF	#000000	##000000
##4079D3	1.00	4.29	4.89	4.89
#FFFFFF	4.29	1.00	21.00	21.00
#000000	4.89	21.00	1.00	1.00
##000000	4.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E81D6

Deuteranopia (green-blind)

#3474D1

Tritanopia (blue-blind)

#008E9C

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #4079d3;
/* rgb */ color: rgb(64, 121, 211);
/* oklch */ color: oklch(58.3% 0.151 259.2);

Tailwind

colors: {
  custom: {
    50: '#859fe1',
    500: '#4079d3',
    950: '#000000',
  },
}

SCSS

$custom: #4079d3;
$custom-light: #859fe1;
$custom-dark: #000000;

JSON

{
  "hex": "#4079d3",
  "rgb": {
    "r": 64,
    "g": 121,
    "b": 211
  },
  "hsl": {
    "h": 216.735,
    "s": 62.553,
    "l": 53.922
  },
  "oklch": {
    "l": 0.58287,
    "c": 0.15088,
    "h": 259.2
  },
  "luminance": 0.19468
}

Semantic roles & 50–950 ramp

primary

#4079D3

secondary

#D7BE98

accent

#A642E6

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4079D3

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

Preview Lab → · Contrast checker → · Palette generator →