#010C36#010C36

#010C36 is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 18.1% C 0.084 H 263.5°. Best body text is #FFFFFF at 18.97:1 contrast (WCAG AA passes).

Color values

HEX	#010C36
RGB	rgb(1, 12, 54)
HSL	hsl(228, 96%, 11%)
HSV	hsv(228, 98%, 21%)
CMYK	cmyk(98.1%, 77.8%, 0%, 78.8%)
CIE-LAB	lab(4.84, 12.31, -27.97)
CIE-LCH	lch(4.84, 30.56, 293.76°)
OKLab	oklab(18.05% -0.0095 -0.0838)
OKLCH	oklch(18.05% 0.084 263.5)
XYZ	xyz(0.8096, 0.5356, 3.5500)
Luminance	0.0054 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 2.67

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#010C36 #362B01

analogous

#012636 #010C36 #100136

triadic

#010C36 #36010C #0C3601

tetradic

#010C36 #360126 #362B01 #013610

square

#010C36 #360126 #362B01 #013610

split-complementary

#010C36 #361001 #263601

monochromatic

#01071E #01071E #010C36 #021972 #0327AE

Accessibility & contrast

On white

18.97

#010C36 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#010C36 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #010C36

18.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##010C36	#FFFFFF	#000000	##FFFFFF
##010C36	1.00	18.97	1.11	18.97
#FFFFFF	18.97	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001337

Deuteranopia (green-blind)

#000E35

Tritanopia (blue-blind)

#00171F

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #010c36;
/* rgb */ color: rgb(1, 12, 54);
/* oklch */ color: oklch(18.1% 0.084 263.5);

Tailwind

colors: {
  custom: {
    50: '#4b4b6d',
    500: '#010c36',
    950: '#000000',
  },
}

SCSS

$custom: #010c36;
$custom-light: #4b4b6d;
$custom-dark: #000000;

JSON

{
  "hex": "#010c36",
  "rgb": {
    "r": 1,
    "g": 12,
    "b": 54
  },
  "hsl": {
    "h": 227.547,
    "s": 96.364,
    "l": 10.784
  },
  "oklch": {
    "l": 0.18054,
    "c": 0.08437,
    "h": 263.5
  },
  "luminance": 0.00536
}

Semantic roles & 50–950 ramp

primary

#010C36

secondary

#7B6618

accent

#D329FF

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010107

muted

#77777A

Preview Lab

Preview with #010C36

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

Preview Lab → · Contrast checker → · Palette generator →