#010F2A#010F2A

#010F2A is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 17.5% C 0.060 H 258.3°. Best body text is #FFFFFF at 19.04:1 contrast (WCAG AA passes).

Color values

HEX	#010F2A
RGB	rgb(1, 15, 42)
HSL	hsl(220, 95%, 8%)
HSV	hsv(220, 98%, 16%)
CMYK	cmyk(97.6%, 64.3%, 0%, 83.5%)
CIE-LAB	lab(4.65, 4.56, -19.34)
CIE-LCH	lch(4.65, 19.87, 283.28°)
OKLab	oklab(17.47% -0.0122 -0.0589)
OKLCH	oklch(17.47% 0.06 258.3)
XYZ	xyz(0.6011, 0.5152, 2.2578)
Luminance	0.0052 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 7.00

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#010F2A #2A1C01

analogous

#01232A #010F2A #07012A

triadic

#010F2A #2A010F #0F2A01

tetradic

#010F2A #2A0123 #2A1C01 #012A07

square

#010F2A #2A0123 #2A1C01 #012A07

split-complementary

#010F2A #2A0701 #232A01

monochromatic

#010B1E #010B1E #010F2A #022466 #043AA2

Accessibility & contrast

On white

19.04

#010F2A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#010F2A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #010F2A

19.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##010F2A	#FFFFFF	#000000	##FFFFFF
##010F2A	1.00	19.04	1.10	19.04
#FFFFFF	19.04	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#01122B

Deuteranopia (green-blind)

#000E29

Tritanopia (blue-blind)

#00161A

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #010f2a;
/* rgb */ color: rgb(1, 15, 42);
/* oklch */ color: oklch(17.5% 0.060 258.3);

Tailwind

colors: {
  custom: {
    50: '#484e63',
    500: '#010f2a',
    950: '#000000',
  },
}

SCSS

$custom: #010f2a;
$custom-light: #484e63;
$custom-dark: #000000;

JSON

{
  "hex": "#010f2a",
  "rgb": {
    "r": 1,
    "g": 15,
    "b": 42
  },
  "hsl": {
    "h": 219.512,
    "s": 95.349,
    "l": 8.431
  },
  "oklch": {
    "l": 0.17465,
    "c": 0.06012,
    "h": 258.3
  },
  "luminance": 0.00515
}

Semantic roles & 50–950 ramp

primary

#010F2A

secondary

#705216

accent

#B629FF

background

#F4F4F5

surface

#E6E7EA

border

#C2C3C6

text

#010105

muted

#777779

Preview Lab

Preview with #010F2A

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

Preview Lab → · Contrast checker → · Palette generator →