#4079DF#4079DF

#4079DF is a mid, vivid blue. Relative luminance 0.201; OKLCH L 59.1% C 0.167 H 261.0°. Best body text is #000000 at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#4079DF
RGB	rgb(64, 121, 223)
HSL	hsl(218, 71%, 56%)
HSV	hsv(218, 71%, 87%)
CMYK	cmyk(71.3%, 45.7%, 0%, 12.5%)
CIE-LAB	lab(51.94, 15.39, -57.51)
CIE-LCH	lch(51.94, 59.53, 284.98°)
OKLab	oklab(59.06% -0.0261 -0.1648)
OKLCH	oklch(59.06% 0.167 261)
XYZ	xyz(22.2662, 20.0901, 72.5020)
Luminance	0.2009 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4079DF #DFA640

analogous

#40C8DF #4079DF #5740DF

triadic

#4079DF #DF4079 #79DF40

tetradic

#4079DF #DF40C8 #DFA640 #40DF57

square

#4079DF #DF40C8 #DFA640 #40DF57

split-complementary

#4079DF #DF5740 #C8DF40

monochromatic

#18428D #205AC1 #4079DF #749EE8 #A9C3F1

Accessibility & contrast

On white

4.18

#4079DF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.02

#4079DF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4079DF

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4079DF	#FFFFFF	#000000	##000000
##4079DF	1.00	4.18	5.02	5.02
#FFFFFF	4.18	1.00	21.00	21.00
#000000	5.02	21.00	1.00	1.00
##000000	5.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4484E3

Deuteranopia (green-blind)

#2175DD

Tritanopia (blue-blind)

#0091A1

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #4079df;
/* rgb */ color: rgb(64, 121, 223);
/* oklch */ color: oklch(59.1% 0.167 261.0);

Tailwind

colors: {
  custom: {
    50: '#889fe9',
    500: '#4079df',
    950: '#000000',
  },
}

SCSS

$custom: #4079df;
$custom-light: #889fe9;
$custom-dark: #000000;

JSON

{
  "hex": "#4079df",
  "rgb": {
    "r": 64,
    "g": 121,
    "b": 223
  },
  "hsl": {
    "h": 218.491,
    "s": 71.3,
    "l": 56.275
  },
  "oklch": {
    "l": 0.59064,
    "c": 0.16685,
    "h": 261
  },
  "luminance": 0.20092
}

Semantic roles & 50–950 ramp

primary

#4079DF

secondary

#DEC79D

accent

#AD3AEE

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4079DF

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

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