#010C27#010C27

#010C27 is a very dark, muted blue. Relative luminance 0.004; OKLCH L 16.3% C 0.060 H 260.1°. Best body text is #FFFFFF at 19.39:1 contrast (WCAG AA passes).

Color values

HEX	#010C27
RGB	rgb(1, 12, 39)
HSL	hsl(223, 95%, 8%)
HSV	hsv(223, 97%, 15%)
CMYK	cmyk(97.4%, 69.2%, 0%, 84.7%)
CIE-LAB	lab(3.76, 4.71, -18.46)
CIE-LCH	lch(3.76, 19.05, 284.30°)
OKLab	oklab(16.32% -0.0103 -0.0588)
OKLCH	oklch(16.32% 0.06 260.1)
XYZ	xyz(0.5101, 0.4158, 1.9724)
Luminance	0.0042 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 7.13

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#010C27 #271C01

analogous

#011F27 #010C27 #090127

triadic

#010C27 #27010C #0C2701

tetradic

#010C27 #27011F #271C01 #012709

square

#010C27 #27011F #271C01 #012709

split-complementary

#010C27 #270901 #1F2701

monochromatic

#01091E #01091E #010C27 #031E63 #04319E

Accessibility & contrast

On white

19.39

#010C27 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.08

#010C27 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #010C27

19.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##010C27	#FFFFFF	#000000	##FFFFFF
##010C27	1.00	19.39	1.08	19.39
#FFFFFF	19.39	1.00	21.00	1.00
#000000	1.08	21.00	1.00	21.00
##FFFFFF	19.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000F28

Deuteranopia (green-blind)

#000C26

Tritanopia (blue-blind)

#001317

Achromatopsia (no color)

#0D0D0D

Design tokens & code

CSS

--color: #010c27;
/* rgb */ color: rgb(1, 12, 39);
/* oklch */ color: oklch(16.3% 0.060 260.1);

Tailwind

colors: {
  custom: {
    50: '#474c61',
    500: '#010c27',
    950: '#000000',
  },
}

SCSS

$custom: #010c27;
$custom-light: #474c61;
$custom-dark: #000000;

JSON

{
  "hex": "#010c27",
  "rgb": {
    "r": 1,
    "g": 12,
    "b": 39
  },
  "hsl": {
    "h": 222.632,
    "s": 95,
    "l": 7.843
  },
  "oklch": {
    "l": 0.16321,
    "c": 0.05973,
    "h": 260.1
  },
  "luminance": 0.00416
}

Semantic roles & 50–950 ramp

primary

#010C27

secondary

#6E5416

accent

#C129FF

background

#F4F4F5

surface

#E6E7E9

border

#C2C3C5

text

#000105

muted

#777779

Preview Lab

Preview with #010C27

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

Preview Lab → · Contrast checker → · Palette generator →