#010F2C#010F2C

#010F2C is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 17.7% C 0.064 H 259.2°. Best body text is #FFFFFF at 18.99:1 contrast (WCAG AA passes).

Color values

HEX	#010F2C
RGB	rgb(1, 15, 44)
HSL	hsl(220, 96%, 9%)
HSV	hsv(220, 98%, 17%)
CMYK	cmyk(97.7%, 65.9%, 0%, 82.7%)
CIE-LAB	lab(4.79, 5.50, -20.63)
CIE-LCH	lch(4.79, 21.35, 284.91°)
OKLab	oklab(17.67% -0.0119 -0.0624)
OKLCH	oklch(17.67% 0.064 259.2)
XYZ	xyz(0.6378, 0.5299, 2.4510)
Luminance	0.0053 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.35

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#010F2C #2C1E01

analogous

#01252C #010F2C #09012C

triadic

#010F2C #2C010F #0F2C01

tetradic

#010F2C #2C0125 #2C1E01 #012C09

square

#010F2C #2C0125 #2C1E01 #012C09

split-complementary

#010F2C #2C0901 #252C01

monochromatic

#010A1E #010A1E #010F2C #022368 #0438A4

Accessibility & contrast

On white

18.99

#010F2C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#010F2C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #010F2C

18.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##010F2C	#FFFFFF	#000000	##FFFFFF
##010F2C	1.00	18.99	1.11	18.99
#FFFFFF	18.99	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00132D

Deuteranopia (green-blind)

#000E2B

Tritanopia (blue-blind)

#00161B

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #010f2c;
/* rgb */ color: rgb(1, 15, 44);
/* oklch */ color: oklch(17.7% 0.064 259.2);

Tailwind

colors: {
  custom: {
    50: '#484d65',
    500: '#010f2c',
    950: '#000000',
  },
}

SCSS

$custom: #010f2c;
$custom-light: #484d65;
$custom-dark: #000000;

JSON

{
  "hex": "#010f2c",
  "rgb": {
    "r": 1,
    "g": 15,
    "b": 44
  },
  "hsl": {
    "h": 220.465,
    "s": 95.556,
    "l": 8.824
  },
  "oklch": {
    "l": 0.17669,
    "c": 0.06352,
    "h": 259.2
  },
  "luminance": 0.0053
}

Semantic roles & 50–950 ramp

primary

#010F2C

secondary

#725417

accent

#B929FF

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010105

muted

#77777A

Preview Lab

Preview with #010F2C

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

Preview Lab → · Contrast checker → · Palette generator →