#010B29#010B29

#010B29 is a very dark, moderate blue. Relative luminance 0.004; OKLCH L 16.3% C 0.065 H 261.7°. Best body text is #FFFFFF at 19.42:1 contrast (WCAG AA passes).

Color values

HEX	#010B29
RGB	rgb(1, 11, 41)
HSL	hsl(225, 95%, 8%)
HSV	hsv(225, 98%, 16%)
CMYK	cmyk(97.6%, 73.2%, 0%, 83.9%)
CIE-LAB	lab(3.67, 6.01, -20.13)
CIE-LCH	lch(3.67, 21.01, 286.61°)
OKLab	oklab(16.27% -0.0093 -0.0641)
OKLCH	oklch(16.27% 0.065 261.7)
XYZ	xyz(0.5323, 0.4058, 2.1477)
Luminance	0.0041 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.18

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#010B29 #291F01

analogous

#011F29 #010B29 #0B0129

triadic

#010B29 #29010B #0B2901

tetradic

#010B29 #29011F #291F01 #01290B

square

#010B29 #29011F #291F01 #01290B

split-complementary

#010B29 #290B01 #1F2901

monochromatic

#01081E #01081E #010B29 #021B65 #042BA0

Accessibility & contrast

On white

19.42

#010B29 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.08

#010B29 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #010B29

19.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##010B29	#FFFFFF	#000000	##FFFFFF
##010B29	1.00	19.42	1.08	19.42
#FFFFFF	19.42	1.00	21.00	1.00
#000000	1.08	21.00	1.00	21.00
##FFFFFF	19.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000F2A

Deuteranopia (green-blind)

#000B28

Tritanopia (blue-blind)

#001318

Achromatopsia (no color)

#0D0D0D

Design tokens & code

CSS

--color: #010b29;
/* rgb */ color: rgb(1, 11, 41);
/* oklch */ color: oklch(16.3% 0.065 261.7);

Tailwind

colors: {
  custom: {
    50: '#474b63',
    500: '#010b29',
    950: '#000000',
  },
}

SCSS

$custom: #010b29;
$custom-light: #474b63;
$custom-dark: #000000;

JSON

{
  "hex": "#010b29",
  "rgb": {
    "r": 1,
    "g": 11,
    "b": 41
  },
  "hsl": {
    "h": 225,
    "s": 95.238,
    "l": 8.235
  },
  "oklch": {
    "l": 0.16271,
    "c": 0.06474,
    "h": 261.7
  },
  "luminance": 0.00406
}

Semantic roles & 50–950 ramp

primary

#010B29

secondary

#6F5916

accent

#C929FF

background

#F4F4F5

surface

#E6E7EA

border

#C2C3C6

text

#000105

muted

#777779

Preview Lab

Preview with #010B29

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

Preview Lab → · Contrast checker → · Palette generator →