#010C29#010C29

#010C29 is a very dark, moderate blue. Relative luminance 0.004; OKLCH L 16.5% C 0.063 H 260.9°. Best body text is #FFFFFF at 19.34:1 contrast (WCAG AA passes).

Color values

HEX	#010C29
RGB	rgb(1, 12, 41)
HSL	hsl(224, 95%, 8%)
HSV	hsv(224, 98%, 16%)
CMYK	cmyk(97.6%, 70.7%, 0%, 83.9%)
CIE-LAB	lab(3.88, 5.57, -19.80)
CIE-LCH	lch(3.88, 20.57, 285.71°)
OKLab	oklab(16.54% -0.01 -0.0624)
OKLCH	oklch(16.54% 0.063 260.9)
XYZ	xyz(0.5441, 0.4294, 2.1516)
Luminance	0.0043 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.44

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#010C29 #291E01

analogous

#012029 #010C29 #0A0129

triadic

#010C29 #29010C #0C2901

tetradic

#010C29 #290120 #291E01 #01290A

square

#010C29 #290120 #291E01 #01290A

split-complementary

#010C29 #290A01 #202901

monochromatic

#01091E #01091E #010C29 #021D65 #042FA0

Accessibility & contrast

On white

19.34

#010C29 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#010C29 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #010C29

19.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##010C29	#FFFFFF	#000000	##FFFFFF
##010C29	1.00	19.34	1.09	19.34
#FFFFFF	19.34	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00102A

Deuteranopia (green-blind)

#000C28

Tritanopia (blue-blind)

#001318

Achromatopsia (no color)

#0E0E0E

Design tokens & code

CSS

--color: #010c29;
/* rgb */ color: rgb(1, 12, 41);
/* oklch */ color: oklch(16.5% 0.063 260.9);

Tailwind

colors: {
  custom: {
    50: '#474c63',
    500: '#010c29',
    950: '#000000',
  },
}

SCSS

$custom: #010c29;
$custom-light: #474c63;
$custom-dark: #000000;

JSON

{
  "hex": "#010c29",
  "rgb": {
    "r": 1,
    "g": 12,
    "b": 41
  },
  "hsl": {
    "h": 223.5,
    "s": 95.238,
    "l": 8.235
  },
  "oklch": {
    "l": 0.16537,
    "c": 0.06316,
    "h": 260.9
  },
  "luminance": 0.00429
}

Semantic roles & 50–950 ramp

primary

#010C29

secondary

#6F5716

accent

#C429FF

background

#F4F4F5

surface

#E6E7EA

border

#C2C3C6

text

#000105

muted

#777779

Preview Lab

Preview with #010C29

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

Preview Lab → · Contrast checker → · Palette generator →