#010F27#010F27

#010F27 is a very dark, muted blue. Relative luminance 0.005; OKLCH L 17.2% C 0.055 H 256.6°. Best body text is #FFFFFF at 19.11:1 contrast (WCAG AA passes).

Color values

HEX	#010F27
RGB	rgb(1, 15, 39)
HSL	hsl(218, 95%, 8%)
HSV	hsv(218, 97%, 15%)
CMYK	cmyk(97.4%, 61.5%, 0%, 84.7%)
CIE-LAB	lab(4.47, 3.25, -17.36)
CIE-LCH	lch(4.47, 17.66, 280.61°)
OKLab	oklab(17.17% -0.0128 -0.0535)
OKLCH	oklch(17.17% 0.055 256.6)
XYZ	xyz(0.5494, 0.4945, 1.9856)
Luminance	0.0050 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 8.02

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#010F27 #271901

analogous

#012227 #010F27 #060127

triadic

#010F27 #27010F #0F2701

tetradic

#010F27 #270122 #271901 #012706

square

#010F27 #270122 #271901 #012706

split-complementary

#010F27 #270601 #222701

monochromatic

#010B1E #010B1E #010F27 #032663 #043D9E

Accessibility & contrast

On white

19.11

#010F27 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#010F27 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #010F27

19.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##010F27	#FFFFFF	#000000	##FFFFFF
##010F27	1.00	19.11	1.10	19.11
#FFFFFF	19.11	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#031128

Deuteranopia (green-blind)

#000E27

Tritanopia (blue-blind)

#001519

Achromatopsia (no color)

#0F0F0F

Design tokens & code

CSS

--color: #010f27;
/* rgb */ color: rgb(1, 15, 39);
/* oklch */ color: oklch(17.2% 0.055 256.6);

Tailwind

colors: {
  custom: {
    50: '#474e61',
    500: '#010f27',
    950: '#000000',
  },
}

SCSS

$custom: #010f27;
$custom-light: #474e61;
$custom-dark: #000000;

JSON

{
  "hex": "#010f27",
  "rgb": {
    "r": 1,
    "g": 15,
    "b": 39
  },
  "hsl": {
    "h": 217.895,
    "s": 95,
    "l": 7.843
  },
  "oklch": {
    "l": 0.1717,
    "c": 0.05498,
    "h": 256.6
  },
  "luminance": 0.00495
}

Semantic roles & 50–950 ramp

primary

#010F27

secondary

#6E4D16

accent

#B029FF

background

#F4F4F5

surface

#E6E7E9

border

#C2C3C5

text

#000105

muted

#777779

Preview Lab

Preview with #010F27

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

Preview Lab → · Contrast checker → · Palette generator →