#010B24#010B24

#010B24 is a very dark, muted blue. Relative luminance 0.004; OKLCH L 15.7% C 0.056 H 259.9°. Best body text is #FFFFFF at 19.54:1 contrast (WCAG AA passes).

Color values

HEX	#010B24
RGB	rgb(1, 11, 36)
HSL	hsl(223, 95%, 7%)
HSV	hsv(223, 97%, 14%)
CMYK	cmyk(97.2%, 69.4%, 0%, 85.9%)
CIE-LAB	lab(3.37, 3.93, -16.76)
CIE-LCH	lch(3.37, 17.21, 283.19°)
OKLab	oklab(15.72% -0.0099 -0.0552)
OKLCH	oklch(15.72% 0.056 259.9)
XYZ	xyz(0.4505, 0.3731, 1.7170)
Luminance	0.0037 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 7.99

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#010B24 #241A01

analogous

#011D24 #010B24 #080124

triadic

#010B24 #24010B #0B2401

tetradic

#010B24 #24011D #241A01 #012408

square

#010B24 #24011D #241A01 #012408

split-complementary

#010B24 #240801 #1D2401

monochromatic

#01091E #01091E #010B24 #031D60 #042F9B

Accessibility & contrast

On white

19.54

#010B24 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.07

#010B24 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #010B24

19.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##010B24	#FFFFFF	#000000	##FFFFFF
##010B24	1.00	19.54	1.07	19.54
#FFFFFF	19.54	1.00	21.00	1.00
#000000	1.07	21.00	1.00	21.00
##FFFFFF	19.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000E25

Deuteranopia (green-blind)

#000A24

Tritanopia (blue-blind)

#001115

Achromatopsia (no color)

#0C0C0C

Design tokens & code

CSS

--color: #010b24;
/* rgb */ color: rgb(1, 11, 36);
/* oklch */ color: oklch(15.7% 0.056 259.9);

Tailwind

colors: {
  custom: {
    50: '#474c5e',
    500: '#010b24',
    950: '#000000',
  },
}

SCSS

$custom: #010b24;
$custom-light: #474c5e;
$custom-dark: #000000;

JSON

{
  "hex": "#010b24",
  "rgb": {
    "r": 1,
    "g": 11,
    "b": 36
  },
  "hsl": {
    "h": 222.857,
    "s": 94.595,
    "l": 7.255
  },
  "oklch": {
    "l": 0.15724,
    "c": 0.05612,
    "h": 259.9
  },
  "luminance": 0.00373
}

Semantic roles & 50–950 ramp

primary

#010B24

secondary

#6B5316

accent

#C229FF

background

#F4F4F5

surface

#E6E7E9

border

#C2C3C5

text

#000104

muted

#777779

Preview Lab

Preview with #010B24

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

Preview Lab → · Contrast checker → · Palette generator →