#021231#021231

#021231 is a very dark, moderate blue. Relative luminance 0.007; OKLCH L 19.1% C 0.067 H 259.7°. Best body text is #FFFFFF at 18.53:1 contrast (WCAG AA passes).

Color values

HEX	#021231
RGB	rgb(2, 18, 49)
HSL	hsl(220, 92%, 10%)
HSV	hsv(220, 96%, 19%)
CMYK	cmyk(95.9%, 63.3%, 0%, 80.8%)
CIE-LAB	lab(6.03, 6.61, -22.38)
CIE-LCH	lch(6.03, 23.33, 286.46°)
OKLab	oklab(19.07% -0.0119 -0.0655)
OKLCH	oklch(19.07% 0.067 259.7)
XYZ	xyz(0.7955, 0.6672, 2.9920)
Luminance	0.0067 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.81

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#021231 #312102

analogous

#022A31 #021231 #090231

triadic

#021231 #310212 #123102

tetradic

#021231 #31022A #312102 #023109

square

#021231 #31022A #312102 #023109

split-complementary

#021231 #310902 #2A3102

monochromatic

#010B1D #010B1D #021231 #04286C #073DA7

Accessibility & contrast

On white

18.53

#021231 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#021231 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #021231

18.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##021231	#FFFFFF	#000000	##FFFFFF
##021231	1.00	18.53	1.13	18.53
#FFFFFF	18.53	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#011632

Deuteranopia (green-blind)

#001130

Tritanopia (blue-blind)

#001A1F

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #021231;
/* rgb */ color: rgb(2, 18, 49);
/* oklch */ color: oklch(19.1% 0.067 259.7);

Tailwind

colors: {
  custom: {
    50: '#4a4f69',
    500: '#021231',
    950: '#000000',
  },
}

SCSS

$custom: #021231;
$custom-light: #4a4f69;
$custom-dark: #000000;

JSON

{
  "hex": "#021231",
  "rgb": {
    "r": 2,
    "g": 18,
    "b": 49
  },
  "hsl": {
    "h": 219.574,
    "s": 92.157,
    "l": 10
  },
  "oklch": {
    "l": 0.19069,
    "c": 0.06658,
    "h": 259.7
  },
  "luminance": 0.00667
}

Semantic roles & 50–950 ramp

primary

#021231

secondary

#755619

accent

#B629FF

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010206

muted

#77787A

Preview Lab

Preview with #021231

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

Preview Lab → · Contrast checker → · Palette generator →