#010028#010028

#010028 is a very dark, moderate blue. Relative luminance 0.002; OKLCH L 12.7% C 0.085 H 267.1°. Best body text is #FFFFFF at 20.35:1 contrast (WCAG AA passes).

Color values

HEX	#010028
RGB	rgb(1, 0, 40)
HSL	hsl(242, 100%, 8%)
HSV	hsv(242, 100%, 16%)
CMYK	cmyk(97.5%, 100%, 0%, 84.3%)
CIE-LAB	lab(1.44, 9.98, -22.85)
CIE-LCH	lch(1.44, 24.93, 293.60°)
OKLab	oklab(12.69% -0.0044 -0.0853)
OKLCH	oklch(12.69% 0.085 267.1)
XYZ	xyz(0.3954, 0.1596, 2.0170)
Luminance	0.0016 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#010028 #272800

analogous

#001328 #010028 #150028

triadic

#010028 #280100 #002801

tetradic

#010028 #280013 #272800 #002815

square

#010028 #280013 #272800 #002815

split-complementary

#010028 #281500 #132800

monochromatic

#01001F #01001F #010028 #030065 #0400A2

Accessibility & contrast

On white

20.35

#010028 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.03

#010028 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #010028

20.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##010028	#FFFFFF	#000000	##FFFFFF
##010028	1.00	20.35	1.03	20.35
#FFFFFF	20.35	1.00	21.00	1.00
#000000	1.03	21.00	1.00	21.00
##FFFFFF	20.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000729

Deuteranopia (green-blind)

#000427

Tritanopia (blue-blind)

#000A13

Achromatopsia (no color)

#050505

Design tokens & code

CSS

--color: #010028;
/* rgb */ color: rgb(1, 0, 40);
/* oklch */ color: oklch(12.7% 0.085 267.1);

Tailwind

colors: {
  custom: {
    50: '#474762',
    500: '#010028',
    950: '#000000',
  },
}

SCSS

$custom: #010028;
$custom-light: #474762;
$custom-dark: #000000;

JSON

{
  "hex": "#010028",
  "rgb": {
    "r": 1,
    "g": 0,
    "b": 40
  },
  "hsl": {
    "h": 241.5,
    "s": 100,
    "l": 7.843
  },
  "oklch": {
    "l": 0.12691,
    "c": 0.08543,
    "h": 267.1
  },
  "luminance": 0.0016
}

Semantic roles & 50–950 ramp

primary

#010028

secondary

#6E7014

accent

#FF29FA

background

#F4F3F5

surface

#E6E5EA

border

#C2C1C6

text

#000005

muted

#777779

Preview Lab

Preview with #010028

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

Preview Lab → · Contrast checker → · Palette generator →