#0450FF#0450FF

#0450FF is a mid, highly saturated blue. Relative luminance 0.130; OKLCH L 52.5% C 0.265 H 263.2°. Best body text is #FFFFFF at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#0450FF
RGB	rgb(4, 80, 255)
HSL	hsl(222, 100%, 51%)
HSV	hsv(222, 98%, 100%)
CMYK	cmyk(98.4%, 68.6%, 0%, 0%)
CIE-LAB	lab(42.73, 48.93, -90.51)
CIE-LCH	lch(42.73, 102.89, 298.40°)
OKLab	oklab(52.54% -0.0313 -0.2627)
OKLCH	oklch(52.54% 0.265 263.2)
XYZ	xyz(20.9623, 12.9803, 95.9889)
Luminance	0.1298 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0450FF #FFB304

analogous

#04CDFF #0450FF #3604FF

triadic

#0450FF #FF0450 #50FF04

tetradic

#0450FF #FF04CD #FFB304 #04FF36

square

#0450FF #FF04CD #FFB304 #04FF36

split-complementary

#0450FF #FF3604 #CDFF04

monochromatic

#002989 #003CC6 #0450FF #417BFF #7EA5FF

Accessibility & contrast

On white

5.84

#0450FF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#0450FF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #0450FF

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0450FF	#FFFFFF	#000000	##FFFFFF
##0450FF	1.00	5.84	3.60	5.84
#FFFFFF	5.84	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0070FF

Deuteranopia (green-blind)

#005AFC

Tritanopia (blue-blind)

#0082A2

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #0450ff;
/* rgb */ color: rgb(4, 80, 255);
/* oklch */ color: oklch(52.5% 0.265 263.2);

Tailwind

colors: {
  custom: {
    50: '#8581ff',
    500: '#0450ff',
    950: '#000000',
  },
}

SCSS

$custom: #0450ff;
$custom-light: #8581ff;
$custom-dark: #000000;

JSON

{
  "hex": "#0450ff",
  "rgb": {
    "r": 4,
    "g": 80,
    "b": 255
  },
  "hsl": {
    "h": 221.833,
    "s": 100,
    "l": 50.784
  },
  "oklch": {
    "l": 0.52535,
    "c": 0.26457,
    "h": 263.2
  },
  "luminance": 0.12983
}

Semantic roles & 50–950 ramp

primary

#0450FF

secondary

#E7C578

accent

#BE29FF

background

#F9F7FF

surface

#F2EEFF

border

#CCC9D7

text

#0E0A18

muted

#7E7C86

Preview Lab

Preview with #0450FF

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

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