#010C2F#010C2F

#010C2F is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 17.2% C 0.073 H 262.5°. Best body text is #FFFFFF at 19.18:1 contrast (WCAG AA passes).

Color values

HEX	#010C2F
RGB	rgb(1, 12, 47)
HSL	hsl(226, 96%, 9%)
HSV	hsv(226, 98%, 18%)
CMYK	cmyk(97.9%, 74.5%, 0%, 81.6%)
CIE-LAB	lab(4.29, 8.43, -23.67)
CIE-LCH	lch(4.29, 25.13, 289.61°)
OKLab	oklab(17.21% -0.0096 -0.0725)
OKLCH	oklch(17.21% 0.073 262.5)
XYZ	xyz(0.6569, 0.4745, 2.7457)
Luminance	0.0047 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 4.54

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#010C2F #2F2401

analogous

#01232F #010C2F #0D012F

triadic

#010C2F #2F010C #0C2F01

tetradic

#010C2F #2F0123 #2F2401 #012F0D

square

#010C2F #2F0123 #2F2401 #012F0D

split-complementary

#010C2F #2F0D01 #232F01

monochromatic

#01081E #01081E #010C2F #021B6B #042BA7

Accessibility & contrast

On white

19.18

#010C2F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#010C2F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #010C2F

19.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##010C2F	#FFFFFF	#000000	##FFFFFF
##010C2F	1.00	19.18	1.10	19.18
#FFFFFF	19.18	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001130

Deuteranopia (green-blind)

#000D2E

Tritanopia (blue-blind)

#00151B

Achromatopsia (no color)

#0F0F0F

Design tokens & code

CSS

--color: #010c2f;
/* rgb */ color: rgb(1, 12, 47);
/* oklch */ color: oklch(17.2% 0.073 262.5);

Tailwind

colors: {
  custom: {
    50: '#494c68',
    500: '#010c2f',
    950: '#000000',
  },
}

SCSS

$custom: #010c2f;
$custom-light: #494c68;
$custom-dark: #000000;

JSON

{
  "hex": "#010c2f",
  "rgb": {
    "r": 1,
    "g": 12,
    "b": 47
  },
  "hsl": {
    "h": 225.652,
    "s": 95.833,
    "l": 9.412
  },
  "oklch": {
    "l": 0.17214,
    "c": 0.07318,
    "h": 262.5
  },
  "luminance": 0.00475
}

Semantic roles & 50–950 ramp

primary

#010C2F

secondary

#755E17

accent

#CC29FF

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010106

muted

#77777A

Preview Lab

Preview with #010C2F

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

Preview Lab → · Contrast checker → · Palette generator →