#0001FF#0001FF

#0001FF 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 8.58:1 contrast (WCAG AA passes).

Color values

HEX	#0001FF
RGB	rgb(0, 1, 255)
HSL	hsl(240, 100%, 50%)
HSV	hsv(240, 100%, 100%)
CMYK	cmyk(100%, 99.6%, 0%, 0%)
CIE-LAB	lab(32.35, 79.04, -107.78)
CIE-LCH	lch(32.35, 133.65, 306.25°)
OKLab	oklab(45.23% -0.0324 -0.3113)
OKLCH	oklch(45.23% 0.313 264.1)
XYZ	xyz(18.0546, 7.2392, 95.0340)
Luminance	0.0724 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0001FF #FFFE00

analogous

#0080FF #0001FF #7F00FF

triadic

#0001FF #FF0001 #01FF00

tetradic

#0001FF #FF0080 #FFFE00 #00FF7F

square

#0001FF #FF0080 #FFFE00 #00FF7F

split-complementary

#0001FF #FF7F00 #80FF00

monochromatic

#000185 #0001C2 #0001FF #3D3EFF #7A7BFF

Accessibility & contrast

On white

8.58

#0001FF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#0001FF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0001FF

8.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0001FF	#FFFFFF	#000000	##FFFFFF
##0001FF	1.00	8.58	2.45	8.58
#FFFFFF	8.58	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.58	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: #0001ff;
/* rgb */ color: rgb(0, 1, 255);
/* oklch */ color: oklch(45.2% 0.313 264.1);

Tailwind

colors: {
  custom: {
    50: '#8a5dff',
    500: '#0001ff',
    950: '#000000',
  },
}

SCSS

$custom: #0001ff;
$custom-light: #8a5dff;
$custom-dark: #000000;

JSON

{
  "hex": "#0001ff",
  "rgb": {
    "r": 0,
    "g": 1,
    "b": 255
  },
  "hsl": {
    "h": 239.765,
    "s": 100,
    "l": 50
  },
  "oklch": {
    "l": 0.45234,
    "c": 0.31299,
    "h": 264.1
  },
  "luminance": 0.07242
}

Semantic roles & 50–950 ramp

primary

#0001FF

secondary

#E7E674

accent

#FE29FF

background

#FAF6FF

surface

#F4EBFF

border

#CEC6D7

text

#0F0518

muted

#7F7986

Preview Lab

Preview with #0001FF

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

Preview Lab → · Contrast checker → · Palette generator →