#010728#010728

#010728 is a very dark, moderate blue. Relative luminance 0.003; OKLCH L 15.1% C 0.070 H 264.4°. Best body text is #FFFFFF at 19.77:1 contrast (WCAG AA passes).

Color values

HEX	#010728
RGB	rgb(1, 7, 40)
HSL	hsl(231, 95%, 8%)
HSV	hsv(231, 98%, 16%)
CMYK	cmyk(97.5%, 82.5%, 0%, 84.3%)
CIE-LAB	lab(2.81, 7.18, -20.70)
CIE-LCH	lch(2.81, 21.91, 289.12°)
OKLab	oklab(15.08% -0.0068 -0.0694)
OKLCH	oklch(15.08% 0.07 264.4)
XYZ	xyz(0.4714, 0.3116, 2.0424)
Luminance	0.0031 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.59

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#010728 #282201

analogous

#011A28 #010728 #0E0128

triadic

#010728 #280107 #072801

tetradic

#010728 #28011A #282201 #01280E

square

#010728 #28011A #282201 #01280E

split-complementary

#010728 #280E01 #1A2801

monochromatic

#01051E #01051E #010728 #021164 #041C9F

Accessibility & contrast

On white

19.77

#010728 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.06

#010728 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #010728

19.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##010728	#FFFFFF	#000000	##FFFFFF
##010728	1.00	19.77	1.06	19.77
#FFFFFF	19.77	1.00	21.00	1.00
#000000	1.06	21.00	1.00	21.00
##FFFFFF	19.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000C29

Deuteranopia (green-blind)

#000827

Tritanopia (blue-blind)

#001016

Achromatopsia (no color)

#0A0A0A

Design tokens & code

CSS

--color: #010728;
/* rgb */ color: rgb(1, 7, 40);
/* oklch */ color: oklch(15.1% 0.070 264.4);

Tailwind

colors: {
  custom: {
    50: '#474a62',
    500: '#010728',
    950: '#000000',
  },
}

SCSS

$custom: #010728;
$custom-light: #474a62;
$custom-dark: #000000;

JSON

{
  "hex": "#010728",
  "rgb": {
    "r": 1,
    "g": 7,
    "b": 40
  },
  "hsl": {
    "h": 230.769,
    "s": 95.122,
    "l": 8.039
  },
  "oklch": {
    "l": 0.15075,
    "c": 0.06972,
    "h": 264.4
  },
  "luminance": 0.00312
}

Semantic roles & 50–950 ramp

primary

#010728

secondary

#6F6116

accent

#DE29FF

background

#F4F4F5

surface

#E6E7EA

border

#C2C3C6

text

#000105

muted

#777779

Preview Lab

Preview with #010728

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

Preview Lab → · Contrast checker → · Palette generator →