#010131#010131

#010131 is a very dark, moderate blue. Relative luminance 0.003; OKLCH L 14.6% C 0.095 H 266.2°. Best body text is #FFFFFF at 20.00:1 contrast (WCAG AA passes).

Color values

HEX	#010131
RGB	rgb(1, 1, 49)
HSL	hsl(240, 96%, 10%)
HSV	hsv(240, 98%, 19%)
CMYK	cmyk(98%, 98%, 0%, 80.8%)
CIE-LAB	lab(2.26, 13.93, -28.41)
CIE-LCH	lch(2.26, 31.64, 296.13°)
OKLab	oklab(14.61% -0.0063 -0.0947)
OKLCH	oklch(14.61% 0.095 266.2)
XYZ	xyz(0.5776, 0.2498, 2.9229)
Luminance	0.0025 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#010131 #313101

analogous

#011931 #010131 #190131

triadic

#010131 #310101 #013101

tetradic

#010131 #310119 #313101 #013119

square

#010131 #310119 #313101 #013119

split-complementary

#010131 #311901 #193101

monochromatic

#01011E #01011E #010131 #02026D #0303A9

Accessibility & contrast

On white

20.00

#010131 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.05

#010131 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #010131

20.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##010131	#FFFFFF	#000000	##FFFFFF
##010131	1.00	20.00	1.05	20.00
#FFFFFF	20.00	1.00	21.00	1.00
#000000	1.05	21.00	1.00	21.00
##FFFFFF	20.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000B32

Deuteranopia (green-blind)

#000630

Tritanopia (blue-blind)

#000F19

Achromatopsia (no color)

#080808

Design tokens & code

CSS

--color: #010131;
/* rgb */ color: rgb(1, 1, 49);
/* oklch */ color: oklch(14.6% 0.095 266.2);

Tailwind

colors: {
  custom: {
    50: '#494769',
    500: '#010131',
    950: '#000000',
  },
}

SCSS

$custom: #010131;
$custom-light: #494769;
$custom-dark: #000000;

JSON

{
  "hex": "#010131",
  "rgb": {
    "r": 1,
    "g": 1,
    "b": 49
  },
  "hsl": {
    "h": 240,
    "s": 96,
    "l": 9.804
  },
  "oklch": {
    "l": 0.14611,
    "c": 0.09491,
    "h": 266.2
  },
  "luminance": 0.0025
}

Semantic roles & 50–950 ramp

primary

#010131

secondary

#777717

accent

#FF29FF

background

#F4F3F6

surface

#E7E5EB

border

#C3C1C6

text

#010006

muted

#77777A

Preview Lab

Preview with #010131

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

Preview Lab → · Contrast checker → · Palette generator →