#010C2E#010C2E

#010C2E is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 17.1% C 0.072 H 262.3°. Best body text is #FFFFFF at 19.21:1 contrast (WCAG AA passes).

Color values

HEX	#010C2E
RGB	rgb(1, 12, 46)
HSL	hsl(225, 96%, 9%)
HSV	hsv(225, 98%, 18%)
CMYK	cmyk(97.8%, 73.9%, 0%, 82%)
CIE-LAB	lab(4.21, 7.93, -23.04)
CIE-LCH	lch(4.21, 24.36, 288.99°)
OKLab	oklab(17.1% -0.0096 -0.0709)
OKLCH	oklch(17.1% 0.072 262.3)
XYZ	xyz(0.6370, 0.4666, 2.6407)
Luminance	0.0047 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 4.84

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#010C2E #2E2301

analogous

#01232E #010C2E #0D012E

triadic

#010C2E #2E010C #0C2E01

tetradic

#010C2E #2E0123 #2E2301 #012E0D

square

#010C2E #2E0123 #2E2301 #012E0D

split-complementary

#010C2E #2E0D01 #232E01

monochromatic

#01081E #01081E #010C2E #021C6A #042BA6

Accessibility & contrast

On white

19.21

#010C2E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#010C2E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #010C2E

19.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##010C2E	#FFFFFF	#000000	##FFFFFF
##010C2E	1.00	19.21	1.09	19.21
#FFFFFF	19.21	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00112F

Deuteranopia (green-blind)

#000D2D

Tritanopia (blue-blind)

#00151B

Achromatopsia (no color)

#0F0F0F

Design tokens & code

CSS

--color: #010c2e;
/* rgb */ color: rgb(1, 12, 46);
/* oklch */ color: oklch(17.1% 0.072 262.3);

Tailwind

colors: {
  custom: {
    50: '#494c67',
    500: '#010c2e',
    950: '#000000',
  },
}

SCSS

$custom: #010c2e;
$custom-light: #494c67;
$custom-dark: #000000;

JSON

{
  "hex": "#010c2e",
  "rgb": {
    "r": 1,
    "g": 12,
    "b": 46
  },
  "hsl": {
    "h": 225.333,
    "s": 95.745,
    "l": 9.216
  },
  "oklch": {
    "l": 0.17098,
    "c": 0.07154,
    "h": 262.3
  },
  "luminance": 0.00467
}

Semantic roles & 50–950 ramp

primary

#010C2E

secondary

#745D17

accent

#CB29FF

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010106

muted

#77777A

Preview Lab

Preview with #010C2E

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

Preview Lab → · Contrast checker → · Palette generator →