#004BFB#004BFB

#004BFB is a mid, highly saturated blue. Relative luminance 0.120; OKLCH L 51.3% C 0.265 H 263.2°. Best body text is #FFFFFF at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#004BFB
RGB	rgb(0, 75, 251)
HSL	hsl(222, 100%, 49%)
HSV	hsv(222, 100%, 98%)
CMYK	cmyk(100%, 70.1%, 0%, 1.6%)
CIE-LAB	lab(41.21, 50.43, -90.80)
CIE-LCH	lch(41.21, 103.86, 299.05°)
OKLab	oklab(51.3% -0.0312 -0.2636)
OKLCH	oklch(51.3% 0.265 263.2)
XYZ	xyz(19.9225, 11.9944, 92.5132)
Luminance	0.1200 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#004BFB #FBB000

analogous

#00C9FB #004BFB #3300FB

triadic

#004BFB #FB004B #4BFB00

tetradic

#004BFB #FB00C9 #FBB000 #00FB33

square

#004BFB #FB00C9 #FBB000 #00FB33

split-complementary

#004BFB #FB3300 #C9FB00

monochromatic

#002681 #0039BE #004BFB #3974FF #769FFF

Accessibility & contrast

On white

6.18

#004BFB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#004BFB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #004BFB

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##004BFB	#FFFFFF	#000000	##FFFFFF
##004BFB	1.00	6.18	3.40	6.18
#FFFFFF	6.18	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CFF

Deuteranopia (green-blind)

#0056F8

Tritanopia (blue-blind)

#007E9E

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #004bfb;
/* rgb */ color: rgb(0, 75, 251);
/* oklch */ color: oklch(51.3% 0.265 263.2);

Tailwind

colors: {
  custom: {
    50: '#847dfe',
    500: '#004bfb',
    950: '#000000',
  },
}

SCSS

$custom: #004bfb;
$custom-light: #847dfe;
$custom-dark: #000000;

JSON

{
  "hex": "#004bfb",
  "rgb": {
    "r": 0,
    "g": 75,
    "b": 251
  },
  "hsl": {
    "h": 222.072,
    "s": 100,
    "l": 49.216
  },
  "oklch": {
    "l": 0.51297,
    "c": 0.2654,
    "h": 263.2
  },
  "luminance": 0.11997
}

Semantic roles & 50–950 ramp

primary

#004BFB

secondary

#E6C371

accent

#BF29FF

background

#F9F7FF

surface

#F2EEFF

border

#CCC9D7

text

#0E0A18

muted

#7E7C86

Preview Lab

Preview with #004BFB

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

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