#4079CF#4079CF

#4079CF is a mid, vivid blue. Relative luminance 0.193; OKLCH L 58.0% C 0.146 H 258.5°. Best body text is #000000 at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#4079CF
RGB	rgb(64, 121, 207)
HSL	hsl(216, 60%, 53%)
HSV	hsv(216, 69%, 81%)
CMYK	cmyk(69.1%, 41.5%, 0%, 18.8%)
CIE-LAB	lab(51.00, 9.64, -49.96)
CIE-LCH	lch(51.00, 50.89, 280.93°)
OKLab	oklab(58.04% -0.029 -0.1426)
OKLCH	oklch(58.04% 0.146 258.5)
XYZ	xyz(20.2101, 19.2676, 61.6733)
Luminance	0.1927 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4079CF #CF9640

analogous

#40C0CF #4079CF #4E40CF

triadic

#4079CF #CF4079 #79CF40

tetradic

#4079CF #CF40C0 #CF9640 #40CF4E

square

#4079CF #CF40C0 #CF9640 #40CF4E

split-complementary

#4079CF #CF4E40 #C0CF40

monochromatic

#1E4177 #2A5CA8 #4079CF #719BDB #A2BEE8

Accessibility & contrast

On white

4.33

#4079CF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.85

#4079CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4079CF

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4079CF	#FFFFFF	#000000	##000000
##4079CF	1.00	4.33	4.85	4.85
#FFFFFF	4.33	1.00	21.00	21.00
#000000	4.85	21.00	1.00	1.00
##000000	4.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5081D2

Deuteranopia (green-blind)

#3973CD

Tritanopia (blue-blind)

#008D9A

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #4079cf;
/* rgb */ color: rgb(64, 121, 207);
/* oklch */ color: oklch(58.0% 0.146 258.5);

Tailwind

colors: {
  custom: {
    50: '#859fde',
    500: '#4079cf',
    950: '#000000',
  },
}

SCSS

$custom: #4079cf;
$custom-light: #859fde;
$custom-dark: #000000;

JSON

{
  "hex": "#4079cf",
  "rgb": {
    "r": 64,
    "g": 121,
    "b": 207
  },
  "hsl": {
    "h": 216.084,
    "s": 59.833,
    "l": 53.137
  },
  "oklch": {
    "l": 0.58035,
    "c": 0.14554,
    "h": 258.5
  },
  "luminance": 0.1927
}

Semantic roles & 50–950 ramp

primary

#4079CF

secondary

#D4BC97

accent

#A445E3

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4079CF

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

Preview Lab → · Contrast checker → · Palette generator →