#010931#010931

#010931 is a very dark, moderate blue. Relative luminance 0.004; OKLCH L 16.8% C 0.081 H 264.2°. Best body text is #FFFFFF at 19.36:1 contrast (WCAG AA passes).

Color values

HEX	#010931
RGB	rgb(1, 9, 49)
HSL	hsl(230, 96%, 10%)
HSV	hsv(230, 98%, 19%)
CMYK	cmyk(98%, 81.6%, 0%, 80.8%)
CIE-LAB	lab(3.83, 10.73, -25.90)
CIE-LCH	lch(3.83, 28.03, 292.50°)
OKLab	oklab(16.75% -0.0082 -0.0804)
OKLCH	oklch(16.75% 0.081 264.2)
XYZ	xyz(0.6644, 0.4235, 2.9519)
Luminance	0.0042 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 3.22

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#010931 #312901

analogous

#012131 #010931 #110131

triadic

#010931 #310109 #093101

tetradic

#010931 #310121 #312901 #013111

square

#010931 #310121 #312901 #013111

split-complementary

#010931 #311101 #213101

monochromatic

#01061E #01061E #010931 #02146D #031FA9

Accessibility & contrast

On white

19.36

#010931 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.08

#010931 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #010931

19.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##010931	#FFFFFF	#000000	##FFFFFF
##010931	1.00	19.36	1.08	19.36
#FFFFFF	19.36	1.00	21.00	1.00
#000000	1.08	21.00	1.00	21.00
##FFFFFF	19.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001032

Deuteranopia (green-blind)

#000B30

Tritanopia (blue-blind)

#00141B

Achromatopsia (no color)

#0E0E0E

Design tokens & code

CSS

--color: #010931;
/* rgb */ color: rgb(1, 9, 49);
/* oklch */ color: oklch(16.8% 0.081 264.2);

Tailwind

colors: {
  custom: {
    50: '#494a69',
    500: '#010931',
    950: '#000000',
  },
}

SCSS

$custom: #010931;
$custom-light: #494a69;
$custom-dark: #000000;

JSON

{
  "hex": "#010931",
  "rgb": {
    "r": 1,
    "g": 9,
    "b": 49
  },
  "hsl": {
    "h": 230,
    "s": 96,
    "l": 9.804
  },
  "oklch": {
    "l": 0.1675,
    "c": 0.08084,
    "h": 264.2
  },
  "luminance": 0.00424
}

Semantic roles & 50–950 ramp

primary

#010931

secondary

#776717

accent

#DB29FF

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010106

muted

#77777A

Preview Lab

Preview with #010931

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

Preview Lab → · Contrast checker → · Palette generator →