#4079DB#4079DB

#4079DB is a mid, vivid blue. Relative luminance 0.199; OKLCH L 58.8% C 0.162 H 260.5°. Best body text is #000000 at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#4079DB
RGB	rgb(64, 121, 219)
HSL	hsl(218, 68%, 55%)
HSV	hsv(218, 71%, 86%)
CMYK	cmyk(70.8%, 44.7%, 0%, 14.1%)
CIE-LAB	lab(51.70, 13.95, -55.64)
CIE-LCH	lch(51.70, 57.36, 284.07°)
OKLab	oklab(58.8% -0.0268 -0.1593)
OKLCH	oklch(58.8% 0.162 260.5)
XYZ	xyz(21.7333, 19.8769, 69.6953)
Luminance	0.1988 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4079DB #DBA240

analogous

#40C7DB #4079DB #5440DB

triadic

#4079DB #DB4079 #79DB40

tetradic

#4079DB #DB40C7 #DBA240 #40DB54

square

#4079DB #DB40C7 #DBA240 #40DB54

split-complementary

#4079DB #DB5440 #C7DB40

monochromatic

#194287 #235BBB #4079DB #739DE5 #A7C1EE

Accessibility & contrast

On white

4.22

#4079DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.98

#4079DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4079DB

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4079DB	#FFFFFF	#000000	##000000
##4079DB	1.00	4.22	4.98	4.98
#FFFFFF	4.22	1.00	21.00	21.00
#000000	4.98	21.00	1.00	1.00
##000000	4.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4883DF

Deuteranopia (green-blind)

#2975D9

Tritanopia (blue-blind)

#00909F

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #4079db;
/* rgb */ color: rgb(64, 121, 219);
/* oklch */ color: oklch(58.8% 0.162 260.5);

Tailwind

colors: {
  custom: {
    50: '#879fe7',
    500: '#4079db',
    950: '#000000',
  },
}

SCSS

$custom: #4079db;
$custom-light: #879fe7;
$custom-dark: #000000;

JSON

{
  "hex": "#4079db",
  "rgb": {
    "r": 64,
    "g": 121,
    "b": 219
  },
  "hsl": {
    "h": 217.935,
    "s": 68.282,
    "l": 55.49
  },
  "oklch": {
    "l": 0.58801,
    "c": 0.16154,
    "h": 260.5
  },
  "luminance": 0.19879
}

Semantic roles & 50–950 ramp

primary

#4079DB

secondary

#DCC49B

accent

#AB3DEB

background

#F9F9FE

surface

#F1F2FC

border

#CBCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4079DB

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

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