#010A29#010A29

#010A29 is a very dark, moderate blue. Relative luminance 0.004; OKLCH L 16.0% C 0.066 H 262.5°. Best body text is #FFFFFF at 19.50:1 contrast (WCAG AA passes).

Color values

HEX	#010A29
RGB	rgb(1, 10, 41)
HSL	hsl(227, 95%, 8%)
HSV	hsv(227, 98%, 16%)
CMYK	cmyk(97.6%, 75.6%, 0%, 83.9%)
CIE-LAB	lab(3.46, 6.41, -20.45)
CIE-LCH	lch(3.46, 21.43, 287.42°)
OKLab	oklab(16.01% -0.0087 -0.0657)
OKLCH	oklch(16.01% 0.066 262.5)
XYZ	xyz(0.5212, 0.3836, 2.1440)
Luminance	0.0038 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.93

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#010A29 #292001

analogous

#011E29 #010A29 #0C0129

triadic

#010A29 #29010A #0A2901

tetradic

#010A29 #29011E #292001 #01290C

square

#010A29 #29011E #292001 #01290C

split-complementary

#010A29 #290C01 #1E2901

monochromatic

#01071E #01071E #010A29 #021965 #0427A0

Accessibility & contrast

On white

19.50

#010A29 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.08

#010A29 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #010A29

19.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##010A29	#FFFFFF	#000000	##FFFFFF
##010A29	1.00	19.50	1.08	19.50
#FFFFFF	19.50	1.00	21.00	1.00
#000000	1.08	21.00	1.00	21.00
##FFFFFF	19.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000F2A

Deuteranopia (green-blind)

#000A28

Tritanopia (blue-blind)

#001217

Achromatopsia (no color)

#0C0C0C

Design tokens & code

CSS

--color: #010a29;
/* rgb */ color: rgb(1, 10, 41);
/* oklch */ color: oklch(16.0% 0.066 262.5);

Tailwind

colors: {
  custom: {
    50: '#474b63',
    500: '#010a29',
    950: '#000000',
  },
}

SCSS

$custom: #010a29;
$custom-light: #474b63;
$custom-dark: #000000;

JSON

{
  "hex": "#010a29",
  "rgb": {
    "r": 1,
    "g": 10,
    "b": 41
  },
  "hsl": {
    "h": 226.5,
    "s": 95.238,
    "l": 8.235
  },
  "oklch": {
    "l": 0.16013,
    "c": 0.06631,
    "h": 262.5
  },
  "luminance": 0.00384
}

Semantic roles & 50–950 ramp

primary

#010A29

secondary

#6F5B16

accent

#CF29FF

background

#F4F4F5

surface

#E6E7EA

border

#C2C3C6

text

#000105

muted

#777779

Preview Lab

Preview with #010A29

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

Preview Lab → · Contrast checker → · Palette generator →