#010B2D#010B2D

#010B2D is a very dark, moderate blue. Relative luminance 0.004; OKLCH L 16.7% C 0.071 H 262.7°. Best body text is #FFFFFF at 19.32:1 contrast (WCAG AA passes).

Color values

HEX	#010B2D
RGB	rgb(1, 11, 45)
HSL	hsl(226, 96%, 9%)
HSV	hsv(226, 98%, 18%)
CMYK	cmyk(97.8%, 75.6%, 0%, 82.4%)
CIE-LAB	lab(3.93, 7.87, -22.74)
CIE-LCH	lch(3.93, 24.06, 289.08°)
OKLab	oklab(16.73% -0.0091 -0.0708)
OKLCH	oklch(16.73% 0.071 262.7)
XYZ	xyz(0.6057, 0.4352, 2.5342)
Luminance	0.0043 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 4.88

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#010B2D #2D2301

analogous

#01212D #010B2D #0D012D

triadic

#010B2D #2D010B #0B2D01

tetradic

#010B2D #2D0121 #2D2301 #012D0D

square

#010B2D #2D0121 #2D2301 #012D0D

split-complementary

#010B2D #2D0D01 #212D01

monochromatic

#01071E #01071E #010B2D #021A69 #0428A5

Accessibility & contrast

On white

19.32

#010B2D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#010B2D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #010B2D

19.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##010B2D	#FFFFFF	#000000	##FFFFFF
##010B2D	1.00	19.32	1.09	19.32
#FFFFFF	19.32	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00102E

Deuteranopia (green-blind)

#000C2C

Tritanopia (blue-blind)

#00141A

Achromatopsia (no color)

#0E0E0E

Design tokens & code

CSS

--color: #010b2d;
/* rgb */ color: rgb(1, 11, 45);
/* oklch */ color: oklch(16.7% 0.071 262.7);

Tailwind

colors: {
  custom: {
    50: '#484b66',
    500: '#010b2d',
    950: '#000000',
  },
}

SCSS

$custom: #010b2d;
$custom-light: #484b66;
$custom-dark: #000000;

JSON

{
  "hex": "#010b2d",
  "rgb": {
    "r": 1,
    "g": 11,
    "b": 45
  },
  "hsl": {
    "h": 226.364,
    "s": 95.652,
    "l": 9.02
  },
  "oklch": {
    "l": 0.16732,
    "c": 0.07142,
    "h": 262.7
  },
  "luminance": 0.00435
}

Semantic roles & 50–950 ramp

primary

#010B2D

secondary

#735E17

accent

#CE29FF

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010106

muted

#77777A

Preview Lab

Preview with #010B2D

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

Preview Lab → · Contrast checker → · Palette generator →