#01102F#01102F

#01102F is a very dark, moderate blue. Relative luminance 0.006; OKLCH L 18.3% C 0.067 H 259.5°. Best body text is #FFFFFF at 18.81:1 contrast (WCAG AA passes).

Color values

HEX	#01102F
RGB	rgb(1, 16, 47)
HSL	hsl(220, 96%, 9%)
HSV	hsv(220, 98%, 18%)
CMYK	cmyk(97.9%, 66%, 0%, 81.6%)
CIE-LAB	lab(5.26, 6.45, -22.12)
CIE-LCH	lch(5.26, 23.04, 286.24°)
OKLab	oklab(18.25% -0.0122 -0.0659)
OKLCH	oklch(18.25% 0.067 259.5)
XYZ	xyz(0.7107, 0.5822, 2.7637)
Luminance	0.0058 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.77

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#01102F #2F2001

analogous

#01272F #01102F #09012F

triadic

#01102F #2F0110 #102F01

tetradic

#01102F #2F0127 #2F2001 #012F09

square

#01102F #2F0127 #2F2001 #012F09

split-complementary

#01102F #2F0901 #272F01

monochromatic

#010A1E #010A1E #01102F #02246B #0439A7

Accessibility & contrast

On white

18.81

#01102F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#01102F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #01102F

18.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##01102F	#FFFFFF	#000000	##FFFFFF
##01102F	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)

#001430

Deuteranopia (green-blind)

#000F2E

Tritanopia (blue-blind)

#00181D

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #01102f;
/* rgb */ color: rgb(1, 16, 47);
/* oklch */ color: oklch(18.3% 0.067 259.5);

Tailwind

colors: {
  custom: {
    50: '#494e68',
    500: '#01102f',
    950: '#000000',
  },
}

SCSS

$custom: #01102f;
$custom-light: #494e68;
$custom-dark: #000000;

JSON

{
  "hex": "#01102f",
  "rgb": {
    "r": 1,
    "g": 16,
    "b": 47
  },
  "hsl": {
    "h": 220.435,
    "s": 95.833,
    "l": 9.412
  },
  "oklch": {
    "l": 0.1825,
    "c": 0.067,
    "h": 259.5
  },
  "luminance": 0.00582
}

Semantic roles & 50–950 ramp

primary

#01102F

secondary

#755617

accent

#B929FF

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010106

muted

#77777A

Preview Lab

Preview with #01102F

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

Preview Lab → · Contrast checker → · Palette generator →