#01112B#01112B

#01112B is a very dark, muted blue. Relative luminance 0.006; OKLCH L 18.1% C 0.059 H 256.5°. Best body text is #FFFFFF at 18.81:1 contrast (WCAG AA passes).

Color values

HEX	#01112B
RGB	rgb(1, 17, 43)
HSL	hsl(217, 95%, 9%)
HSV	hsv(217, 98%, 17%)
CMYK	cmyk(97.7%, 60.5%, 0%, 83.1%)
CIE-LAB	lab(5.25, 3.93, -19.14)
CIE-LCH	lch(5.25, 19.54, 281.60°)
OKLab	oklab(18.13% -0.0137 -0.0571)
OKLCH	oklch(18.13% 0.059 256.5)
XYZ	xyz(0.6488, 0.5817, 2.3631)
Luminance	0.0058 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 7.36

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#01112B #2B1B01

analogous

#01262B #01112B #06012B

triadic

#01112B #2B0111 #112B01

tetradic

#01112B #2B0126 #2B1B01 #012B06

square

#01112B #2B0126 #2B1B01 #012B06

split-complementary

#01112B #2B0601 #262B01

monochromatic

#010C1E #010C1E #01112B #022967 #0440A3

Accessibility & contrast

On white

18.81

#01112B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#01112B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #01112B

18.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##01112B	#FFFFFF	#000000	##FFFFFF
##01112B	1.00	18.81	1.12	18.81
#FFFFFF	18.81	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#03142C

Deuteranopia (green-blind)

#00102A

Tritanopia (blue-blind)

#00171B

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #01112b;
/* rgb */ color: rgb(1, 17, 43);
/* oklch */ color: oklch(18.1% 0.059 256.5);

Tailwind

colors: {
  custom: {
    50: '#484f64',
    500: '#01112b',
    950: '#000000',
  },
}

SCSS

$custom: #01112b;
$custom-light: #484f64;
$custom-dark: #000000;

JSON

{
  "hex": "#01112b",
  "rgb": {
    "r": 1,
    "g": 17,
    "b": 43
  },
  "hsl": {
    "h": 217.143,
    "s": 95.455,
    "l": 8.627
  },
  "oklch": {
    "l": 0.18129,
    "c": 0.05871,
    "h": 256.5
  },
  "luminance": 0.00582
}

Semantic roles & 50–950 ramp

primary

#01112B

secondary

#714F17

accent

#AD29FF

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010105

muted

#77777A

Preview Lab

Preview with #01112B

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

Preview Lab → · Contrast checker → · Palette generator →