#01072B#01072B

#01072B is a very dark, moderate blue. Relative luminance 0.003; OKLCH L 15.5% C 0.075 H 264.6°. Best body text is #FFFFFF at 19.69:1 contrast (WCAG AA passes).

Color values

HEX	#01072B
RGB	rgb(1, 7, 43)
HSL	hsl(231, 95%, 9%)
HSV	hsv(231, 98%, 17%)
CMYK	cmyk(97.7%, 83.7%, 0%, 83.1%)
CIE-LAB	lab(3.01, 8.52, -22.69)
CIE-LCH	lch(3.01, 24.24, 290.59°)
OKLab	oklab(15.46% -0.007 -0.0742)
OKLCH	oklch(15.46% 0.075 264.6)
XYZ	xyz(0.5244, 0.3328, 2.3216)
Luminance	0.0033 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 4.58

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#01072B #2B2501

analogous

#011C2B #01072B #10012B

triadic

#01072B #2B0107 #072B01

tetradic

#01072B #2B011C #2B2501 #012B10

square

#01072B #2B011C #2B2501 #012B10

split-complementary

#01072B #2B1001 #1C2B01

monochromatic

#01051E #01051E #01072B #021167 #041AA3

Accessibility & contrast

On white

19.69

#01072B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.07

#01072B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #01072B

19.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##01072B	#FFFFFF	#000000	##FFFFFF
##01072B	1.00	19.69	1.07	19.69
#FFFFFF	19.69	1.00	21.00	1.00
#000000	1.07	21.00	1.00	21.00
##FFFFFF	19.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000D2C

Deuteranopia (green-blind)

#00092A

Tritanopia (blue-blind)

#001117

Achromatopsia (no color)

#0B0B0B

Design tokens & code

CSS

--color: #01072b;
/* rgb */ color: rgb(1, 7, 43);
/* oklch */ color: oklch(15.5% 0.075 264.6);

Tailwind

colors: {
  custom: {
    50: '#484a64',
    500: '#01072b',
    950: '#000000',
  },
}

SCSS

$custom: #01072b;
$custom-light: #484a64;
$custom-dark: #000000;

JSON

{
  "hex": "#01072b",
  "rgb": {
    "r": 1,
    "g": 7,
    "b": 43
  },
  "hsl": {
    "h": 231.429,
    "s": 95.455,
    "l": 8.627
  },
  "oklch": {
    "l": 0.15464,
    "c": 0.07458,
    "h": 264.6
  },
  "luminance": 0.00333
}

Semantic roles & 50–950 ramp

primary

#01072B

secondary

#716417

accent

#E029FF

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010105

muted

#77777A

Preview Lab

Preview with #01072B

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

Preview Lab → · Contrast checker → · Palette generator →