#0100FF#0100FF

#0100FF is a mid, highly saturated blue. Relative luminance 0.072; OKLCH L 45.2% C 0.313 H 264.1°. Best body text is #FFFFFF at 8.59:1 contrast (WCAG AA passes).

Color values

HEX	#0100FF
RGB	rgb(1, 0, 255)
HSL	hsl(240, 100%, 50%)
HSV	hsv(240, 100%, 100%)
CMYK	cmyk(99.6%, 100%, 0%, 0%)
CIE-LAB	lab(32.31, 79.19, -107.84)
CIE-LCH	lch(32.31, 133.79, 306.29°)
OKLab	oklab(45.22% -0.0321 -0.3115)
OKLCH	oklch(45.22% 0.313 264.1)
XYZ	xyz(18.0563, 7.2240, 95.0310)
Luminance	0.0723 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0100FF #FEFF00

analogous

#007FFF #0100FF #8000FF

triadic

#0100FF #FF0100 #00FF01

tetradic

#0100FF #FF007F #FEFF00 #00FF80

square

#0100FF #FF007F #FEFF00 #00FF80

split-complementary

#0100FF #FF8000 #7FFF00

monochromatic

#010085 #0100C2 #0100FF #3E3DFF #7B7AFF

Accessibility & contrast

On white

8.59

#0100FF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#0100FF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0100FF

8.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0100FF	#FFFFFF	#000000	##FFFFFF
##0100FF	1.00	8.59	2.45	8.59
#FFFFFF	8.59	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059FF

Deuteranopia (green-blind)

#003EFB

Tritanopia (blue-blind)

#006B96

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #0100ff;
/* rgb */ color: rgb(1, 0, 255);
/* oklch */ color: oklch(45.2% 0.313 264.1);

Tailwind

colors: {
  custom: {
    50: '#8a5dff',
    500: '#0100ff',
    950: '#000000',
  },
}

SCSS

$custom: #0100ff;
$custom-light: #8a5dff;
$custom-dark: #000000;

JSON

{
  "hex": "#0100ff",
  "rgb": {
    "r": 1,
    "g": 0,
    "b": 255
  },
  "hsl": {
    "h": 240.235,
    "s": 100,
    "l": 50
  },
  "oklch": {
    "l": 0.45215,
    "c": 0.31311,
    "h": 264.1
  },
  "luminance": 0.07226
}

Semantic roles & 50–950 ramp

primary

#0100FF

secondary

#E6E774

accent

#FF29FE

background

#FAF6FF

surface

#F4EBFF

border

#CEC6D7

text

#0F0518

muted

#7F7986

Preview Lab

Preview with #0100FF

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

Preview Lab → · Contrast checker → · Palette generator →