#010731#010731

#010731 is a very dark, moderate blue. Relative luminance 0.004; OKLCH L 16.3% C 0.084 H 264.9°. Best body text is #FFFFFF at 19.52:1 contrast (WCAG AA passes).

Color values

HEX	#010731
RGB	rgb(1, 7, 49)
HSL	hsl(233, 96%, 10%)
HSV	hsv(233, 98%, 19%)
CMYK	cmyk(98%, 85.7%, 0%, 80.8%)
CIE-LAB	lab(3.43, 11.53, -26.53)
CIE-LCH	lch(3.43, 28.92, 293.49°)
OKLab	oklab(16.27% -0.0074 -0.0836)
OKLCH	oklch(16.27% 0.084 264.9)
XYZ	xyz(0.6427, 0.3801, 2.9446)
Luminance	0.0038 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#010731 #312B01

analogous

#011F31 #010731 #130131

triadic

#010731 #310107 #073101

tetradic

#010731 #31011F #312B01 #013113

square

#010731 #31011F #312B01 #013113

split-complementary

#010731 #311301 #1F3101

monochromatic

#01041E #01041E #010731 #02106D #0318A9

Accessibility & contrast

On white

19.52

#010731 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.08

#010731 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #010731

19.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##010731	#FFFFFF	#000000	##FFFFFF
##010731	1.00	19.52	1.08	19.52
#FFFFFF	19.52	1.00	21.00	1.00
#000000	1.08	21.00	1.00	21.00
##FFFFFF	19.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000F32

Deuteranopia (green-blind)

#000A30

Tritanopia (blue-blind)

#00131B

Achromatopsia (no color)

#0C0C0C

Design tokens & code

CSS

--color: #010731;
/* rgb */ color: rgb(1, 7, 49);
/* oklch */ color: oklch(16.3% 0.084 264.9);

Tailwind

colors: {
  custom: {
    50: '#494969',
    500: '#010731',
    950: '#000000',
  },
}

SCSS

$custom: #010731;
$custom-light: #494969;
$custom-dark: #000000;

JSON

{
  "hex": "#010731",
  "rgb": {
    "r": 1,
    "g": 7,
    "b": 49
  },
  "hsl": {
    "h": 232.5,
    "s": 96,
    "l": 9.804
  },
  "oklch": {
    "l": 0.16267,
    "c": 0.08395,
    "h": 264.9
  },
  "luminance": 0.0038
}

Semantic roles & 50–950 ramp

primary

#010731

secondary

#776B17

accent

#E429FF

background

#F4F4F6

surface

#E7E6EB

border

#C3C2C6

text

#010006

muted

#77777A

Preview Lab

Preview with #010731

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

Preview Lab → · Contrast checker → · Palette generator →