#12122B#12122B

#12122B is a very dark, muted blue. Relative luminance 0.007; OKLCH L 19.8% C 0.049 H 280.9°. Best body text is #FFFFFF at 18.31:1 contrast (WCAG AA passes).

Color values

HEX	#12122B
RGB	rgb(18, 18, 43)
HSL	hsl(240, 41%, 12%)
HSV	hsv(240, 58%, 17%)
CMYK	cmyk(58.1%, 58.1%, 0%, 83.1%)
CIE-LAB	lab(6.64, 8.24, -16.87)
CIE-LCH	lch(6.64, 18.78, 296.03°)
OKLab	oklab(19.79% 0.0093 -0.0483)
OKLCH	oklch(19.79% 0.049 280.9)
XYZ	xyz(0.9017, 0.7356, 2.3795)
Luminance	0.0074 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 7.75

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12122B #2B2B12

analogous

#121F2B #12122B #1F122B

triadic

#12122B #2B1212 #122B12

tetradic

#12122B #2B121F #2B2B12 #122B1F

square

#12122B #2B121F #2B2B12 #122B1F

split-complementary

#12122B #2B1F12 #1F2B12

monochromatic

#090916 #090916 #12122B #242456 #363681

Accessibility & contrast

On white

18.31

#12122B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#12122B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12122B

18.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12122B	#FFFFFF	#000000	##FFFFFF
##12122B	1.00	18.31	1.15	18.31
#FFFFFF	18.31	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#08162C

Deuteranopia (green-blind)

#06142A

Tritanopia (blue-blind)

#09171C

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #12122b;
/* rgb */ color: rgb(18, 18, 43);
/* oklch */ color: oklch(19.8% 0.049 280.9);

Tailwind

colors: {
  custom: {
    50: '#514f64',
    500: '#12122b',
    950: '#000000',
  },
}

SCSS

$custom: #12122b;
$custom-light: #514f64;
$custom-dark: #000000;

JSON

{
  "hex": "#12122b",
  "rgb": {
    "r": 18,
    "g": 18,
    "b": 43
  },
  "hsl": {
    "h": 240,
    "s": 40.984,
    "l": 11.961
  },
  "oklch": {
    "l": 0.19785,
    "c": 0.04921,
    "h": 280.9
  },
  "luminance": 0.00736
}

Semantic roles & 50–950 ramp

primary

#12122B

secondary

#626236

accent

#D157D1

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#020205

muted

#78787A

Preview Lab

Preview with #12122B

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

Preview Lab → · Contrast checker → · Palette generator →