#010F29#010F29

#010F29 is a very dark, muted blue. Relative luminance 0.005; OKLCH L 17.4% C 0.058 H 257.8°. Best body text is #FFFFFF at 19.06:1 contrast (WCAG AA passes).

Color values

HEX	#010F29
RGB	rgb(1, 15, 41)
HSL	hsl(219, 95%, 8%)
HSV	hsv(219, 98%, 16%)
CMYK	cmyk(97.6%, 63.4%, 0%, 83.9%)
CIE-LAB	lab(4.59, 4.12, -18.68)
CIE-LCH	lch(4.59, 19.13, 282.42°)
OKLab	oklab(17.36% -0.0124 -0.0571)
OKLCH	oklch(17.36% 0.058 257.8)
XYZ	xyz(0.5834, 0.5081, 2.1647)
Luminance	0.0051 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 7.33

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#010F29 #291B01

analogous

#012329 #010F29 #070129

triadic

#010F29 #29010F #0F2901

tetradic

#010F29 #290123 #291B01 #012907

square

#010F29 #290123 #291B01 #012907

split-complementary

#010F29 #290701 #232901

monochromatic

#010B1E #010B1E #010F29 #022565 #043BA0

Accessibility & contrast

On white

19.06

#010F29 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#010F29 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #010F29

19.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##010F29	#FFFFFF	#000000	##FFFFFF
##010F29	1.00	19.06	1.10	19.06
#FFFFFF	19.06	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#02122A

Deuteranopia (green-blind)

#000E28

Tritanopia (blue-blind)

#00151A

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #010f29;
/* rgb */ color: rgb(1, 15, 41);
/* oklch */ color: oklch(17.4% 0.058 257.8);

Tailwind

colors: {
  custom: {
    50: '#474e63',
    500: '#010f29',
    950: '#000000',
  },
}

SCSS

$custom: #010f29;
$custom-light: #474e63;
$custom-dark: #000000;

JSON

{
  "hex": "#010f29",
  "rgb": {
    "r": 1,
    "g": 15,
    "b": 41
  },
  "hsl": {
    "h": 219,
    "s": 95.238,
    "l": 8.235
  },
  "oklch": {
    "l": 0.17365,
    "c": 0.05841,
    "h": 257.8
  },
  "luminance": 0.00508
}

Semantic roles & 50–950 ramp

primary

#010F29

secondary

#6F5016

accent

#B429FF

background

#F4F4F5

surface

#E6E7EA

border

#C2C3C6

text

#000105

muted

#777779

Preview Lab

Preview with #010F29

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

Preview Lab → · Contrast checker → · Palette generator →