#010123#010123

#010123 is a very dark, moderate blue. Relative luminance 0.002; OKLCH L 12.2% C 0.076 H 267.6°. Best body text is #FFFFFF at 20.39:1 contrast (WCAG AA passes).

Color values

HEX	#010123
RGB	rgb(1, 1, 35)
HSL	hsl(240, 94%, 7%)
HSV	hsv(240, 97%, 14%)
CMYK	cmyk(97.1%, 97.1%, 0%, 86.3%)
CIE-LAB	lab(1.35, 7.56, -19.09)
CIE-LCH	lch(1.35, 20.53, 291.60°)
OKLab	oklab(12.24% -0.0031 -0.0756)
OKLCH	oklch(12.24% 0.076 267.6)
XYZ	xyz(0.3266, 0.1495, 1.6014)
Luminance	0.0015 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#010123 #232301

analogous

#011223 #010123 #120123

triadic

#010123 #230101 #012301

tetradic

#010123 #230112 #232301 #012312

square

#010123 #230112 #232301 #012312

split-complementary

#010123 #231201 #122301

monochromatic

#01011E #01011E #010123 #03035F #04049A

Accessibility & contrast

On white

20.39

#010123 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.03

#010123 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #010123

20.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##010123	#FFFFFF	#000000	##FFFFFF
##010123	1.00	20.39	1.03	20.39
#FFFFFF	20.39	1.00	21.00	1.00
#000000	1.03	21.00	1.00	21.00
##FFFFFF	20.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000624

Deuteranopia (green-blind)

#000422

Tritanopia (blue-blind)

#000910

Achromatopsia (no color)

#050505

Design tokens & code

CSS

--color: #010123;
/* rgb */ color: rgb(1, 1, 35);
/* oklch */ color: oklch(12.2% 0.076 267.6);

Tailwind

colors: {
  custom: {
    50: '#46475e',
    500: '#010123',
    950: '#000000',
  },
}

SCSS

$custom: #010123;
$custom-light: #46475e;
$custom-dark: #000000;

JSON

{
  "hex": "#010123",
  "rgb": {
    "r": 1,
    "g": 1,
    "b": 35
  },
  "hsl": {
    "h": 240,
    "s": 94.444,
    "l": 7.059
  },
  "oklch": {
    "l": 0.12241,
    "c": 0.07569,
    "h": 267.6
  },
  "luminance": 0.0015
}

Semantic roles & 50–950 ramp

primary

#010123

secondary

#6A6A16

accent

#FF29FF

background

#F4F3F5

surface

#E6E5E9

border

#C2C1C5

text

#000004

muted

#777779

Preview Lab

Preview with #010123

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

Preview Lab → · Contrast checker → · Palette generator →