#010F2E#010F2E

#010F2E is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 17.9% C 0.067 H 260.0°. Best body text is #FFFFFF at 18.94:1 contrast (WCAG AA passes).

Color values

HEX	#010F2E
RGB	rgb(1, 15, 46)
HSL	hsl(221, 96%, 9%)
HSV	hsv(221, 98%, 18%)
CMYK	cmyk(97.8%, 67.4%, 0%, 82%)
CIE-LAB	lab(4.93, 6.47, -21.91)
CIE-LCH	lch(4.93, 22.84, 286.46°)
OKLab	oklab(17.88% -0.0116 -0.0659)
OKLCH	oklch(17.88% 0.067 260)
XYZ	xyz(0.6763, 0.5453, 2.6538)
Luminance	0.0054 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.73

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#010F2E #2E2001

analogous

#01262E #010F2E #0A012E

triadic

#010F2E #2E010F #0F2E01

tetradic

#010F2E #2E0126 #2E2001 #012E0A

square

#010F2E #2E0126 #2E2001 #012E0A

split-complementary

#010F2E #2E0A01 #262E01

monochromatic

#010A1E #010A1E #010F2E #02236A #0436A6

Accessibility & contrast

On white

18.94

#010F2E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#010F2E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #010F2E

18.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##010F2E	#FFFFFF	#000000	##FFFFFF
##010F2E	1.00	18.94	1.11	18.94
#FFFFFF	18.94	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00132F

Deuteranopia (green-blind)

#000F2D

Tritanopia (blue-blind)

#00171C

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #010f2e;
/* rgb */ color: rgb(1, 15, 46);
/* oklch */ color: oklch(17.9% 0.067 260.0);

Tailwind

colors: {
  custom: {
    50: '#494d67',
    500: '#010f2e',
    950: '#000000',
  },
}

SCSS

$custom: #010f2e;
$custom-light: #494d67;
$custom-dark: #000000;

JSON

{
  "hex": "#010f2e",
  "rgb": {
    "r": 1,
    "g": 15,
    "b": 46
  },
  "hsl": {
    "h": 221.333,
    "s": 95.745,
    "l": 9.216
  },
  "oklch": {
    "l": 0.17877,
    "c": 0.06689,
    "h": 260
  },
  "luminance": 0.00545
}

Semantic roles & 50–950 ramp

primary

#010F2E

secondary

#745717

accent

#BC29FF

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010106

muted

#77777A

Preview Lab

Preview with #010F2E

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

Preview Lab → · Contrast checker → · Palette generator →