#010B36#010B36

#010B36 is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 17.8% C 0.086 H 263.9°. Best body text is #FFFFFF at 19.05:1 contrast (WCAG AA passes).

Color values

HEX	#010B36
RGB	rgb(1, 11, 54)
HSL	hsl(229, 96%, 11%)
HSV	hsv(229, 98%, 21%)
CMYK	cmyk(98.1%, 79.6%, 0%, 78.8%)
CIE-LAB	lab(4.62, 12.75, -28.31)
CIE-LCH	lch(4.62, 31.05, 294.24°)
OKLab	oklab(17.83% -0.0091 -0.0853)
OKLCH	oklch(17.83% 0.086 263.9)
XYZ	xyz(0.7978, 0.5120, 3.5461)
Luminance	0.0051 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#010B36 #362C01

analogous

#012536 #010B36 #110136

triadic

#010B36 #36010B #0B3601

tetradic

#010B36 #360125 #362C01 #013611

square

#010B36 #360125 #362C01 #013611

split-complementary

#010B36 #361101 #253601

monochromatic

#01061E #01061E #010B36 #021772 #0323AE

Accessibility & contrast

On white

19.05

#010B36 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#010B36 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #010B36

19.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##010B36	#FFFFFF	#000000	##FFFFFF
##010B36	1.00	19.05	1.10	19.05
#FFFFFF	19.05	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001337

Deuteranopia (green-blind)

#000D35

Tritanopia (blue-blind)

#00171F

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #010b36;
/* rgb */ color: rgb(1, 11, 54);
/* oklch */ color: oklch(17.8% 0.086 263.9);

Tailwind

colors: {
  custom: {
    50: '#4b4b6d',
    500: '#010b36',
    950: '#000000',
  },
}

SCSS

$custom: #010b36;
$custom-light: #4b4b6d;
$custom-dark: #000000;

JSON

{
  "hex": "#010b36",
  "rgb": {
    "r": 1,
    "g": 11,
    "b": 54
  },
  "hsl": {
    "h": 228.679,
    "s": 96.364,
    "l": 10.784
  },
  "oklch": {
    "l": 0.17832,
    "c": 0.08578,
    "h": 263.9
  },
  "luminance": 0.00512
}

Semantic roles & 50–950 ramp

primary

#010B36

secondary

#7B6818

accent

#D729FF

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010107

muted

#77777A

Preview Lab

Preview with #010B36

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

Preview Lab → · Contrast checker → · Palette generator →