#010B27#010B27

#010B27 is a very dark, moderate blue. Relative luminance 0.004; OKLCH L 16.0% C 0.061 H 261.1°. Best body text is #FFFFFF at 19.47:1 contrast (WCAG AA passes).

Color values

HEX	#010B27
RGB	rgb(1, 11, 39)
HSL	hsl(224, 95%, 8%)
HSV	hsv(224, 97%, 15%)
CMYK	cmyk(97.4%, 71.8%, 0%, 84.7%)
CIE-LAB	lab(3.54, 5.14, -18.80)
CIE-LCH	lch(3.54, 19.49, 285.30°)
OKLab	oklab(16.05% -0.0095 -0.0606)
OKLCH	oklch(16.05% 0.061 261.1)
XYZ	xyz(0.4983, 0.3922, 1.9685)
Luminance	0.0039 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.87

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#010B27 #271D01

analogous

#011E27 #010B27 #0A0127

triadic

#010B27 #27010B #0B2701

tetradic

#010B27 #27011E #271D01 #01270A

square

#010B27 #27011E #271D01 #01270A

split-complementary

#010B27 #270A01 #1E2701

monochromatic

#01081E #01081E #010B27 #031C63 #042D9E

Accessibility & contrast

On white

19.47

#010B27 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.08

#010B27 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #010B27

19.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##010B27	#FFFFFF	#000000	##FFFFFF
##010B27	1.00	19.47	1.08	19.47
#FFFFFF	19.47	1.00	21.00	1.00
#000000	1.08	21.00	1.00	21.00
##FFFFFF	19.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000F28

Deuteranopia (green-blind)

#000B26

Tritanopia (blue-blind)

#001217

Achromatopsia (no color)

#0D0D0D

Design tokens & code

CSS

--color: #010b27;
/* rgb */ color: rgb(1, 11, 39);
/* oklch */ color: oklch(16.0% 0.061 261.1);

Tailwind

colors: {
  custom: {
    50: '#474b61',
    500: '#010b27',
    950: '#000000',
  },
}

SCSS

$custom: #010b27;
$custom-light: #474b61;
$custom-dark: #000000;

JSON

{
  "hex": "#010b27",
  "rgb": {
    "r": 1,
    "g": 11,
    "b": 39
  },
  "hsl": {
    "h": 224.211,
    "s": 95,
    "l": 7.843
  },
  "oklch": {
    "l": 0.16048,
    "c": 0.06132,
    "h": 261.1
  },
  "luminance": 0.00392
}

Semantic roles & 50–950 ramp

primary

#010B27

secondary

#6E5716

accent

#C729FF

background

#F4F4F5

surface

#E6E7E9

border

#C2C3C5

text

#000105

muted

#777779

Preview Lab

Preview with #010B27

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

Preview Lab → · Contrast checker → · Palette generator →