#12143A#12143A

#12143A is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.6% C 0.072 H 276.2°. Best body text is #FFFFFF at 17.69:1 contrast (WCAG AA passes).

Color values

HEX	#12143A
RGB	rgb(18, 20, 58)
HSL	hsl(237, 53%, 15%)
HSV	hsv(237, 69%, 23%)
CMYK	cmyk(69%, 65.5%, 0%, 77.3%)
CIE-LAB	lab(8.43, 13.12, -25.00)
CIE-LCH	lch(8.43, 28.23, 297.70°)
OKLab	oklab(21.58% 0.0079 -0.0717)
OKLCH	oklch(21.58% 0.072 276.2)
XYZ	xyz(1.2631, 0.9343, 4.1159)
Luminance	0.0093 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12143A #3A3812

analogous

#12283A #12143A #24123A

triadic

#12143A #3A1214 #143A12

tetradic

#12143A #3A1228 #3A3812 #123A24

square

#12143A #3A1228 #3A3812 #123A24

split-complementary

#12143A #3A2412 #283A12

monochromatic

#070817 #070817 #12143A #202469 #2F3497

Accessibility & contrast

On white

17.69

#12143A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#12143A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12143A

17.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12143A	#FFFFFF	#000000	##FFFFFF
##12143A	1.00	17.69	1.19	17.69
#FFFFFF	17.69	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001A3B

Deuteranopia (green-blind)

#001739

Tritanopia (blue-blind)

#001D24

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #12143a;
/* rgb */ color: rgb(18, 20, 58);
/* oklch */ color: oklch(21.6% 0.072 276.2);

Tailwind

colors: {
  custom: {
    50: '#555170',
    500: '#12143a',
    950: '#000000',
  },
}

SCSS

$custom: #12143a;
$custom-light: #555170;
$custom-dark: #000000;

JSON

{
  "hex": "#12143a",
  "rgb": {
    "r": 18,
    "g": 20,
    "b": 58
  },
  "hsl": {
    "h": 237,
    "s": 52.632,
    "l": 14.902
  },
  "oklch": {
    "l": 0.21583,
    "c": 0.07218,
    "h": 276.2
  },
  "luminance": 0.00934
}

Semantic roles & 50–950 ramp

primary

#12143A

secondary

#737035

accent

#D54CDC

background

#F5F4F6

surface

#E9E7EC

border

#C5C3C7

text

#030207

muted

#78787A

Preview Lab

Preview with #12143A

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

Preview Lab → · Contrast checker → · Palette generator →