#12133A#12133A

#12133A is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.4% C 0.074 H 277.0°. Best body text is #FFFFFF at 17.80:1 contrast (WCAG AA passes).

Color values

HEX	#12133A
RGB	rgb(18, 19, 58)
HSL	hsl(239, 53%, 15%)
HSV	hsv(239, 69%, 23%)
CMYK	cmyk(69%, 67.2%, 0%, 77.3%)
CIE-LAB	lab(8.13, 13.90, -25.49)
CIE-LCH	lch(8.13, 29.04, 298.59°)
OKLab	oklab(21.36% 0.009 -0.0732)
OKLCH	oklch(21.36% 0.074 277)
XYZ	xyz(1.2458, 0.8997, 4.1102)
Luminance	0.0090 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 4.30

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12133A #3A3912

analogous

#12273A #12133A #25123A

triadic

#12133A #3A1213 #133A12

tetradic

#12133A #3A1227 #3A3912 #123A25

square

#12133A #3A1227 #3A3912 #123A25

split-complementary

#12133A #3A2512 #273A12

monochromatic

#070817 #070817 #12133A #202269 #2F3297

Accessibility & contrast

On white

17.80

#12133A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#12133A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12133A

17.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12133A	#FFFFFF	#000000	##FFFFFF
##12133A	1.00	17.80	1.18	17.80
#FFFFFF	17.80	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00193B

Deuteranopia (green-blind)

#001639

Tritanopia (blue-blind)

#001C24

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #12133a;
/* rgb */ color: rgb(18, 19, 58);
/* oklch */ color: oklch(21.4% 0.074 277.0);

Tailwind

colors: {
  custom: {
    50: '#555070',
    500: '#12133a',
    950: '#000000',
  },
}

SCSS

$custom: #12133a;
$custom-light: #555070;
$custom-dark: #000000;

JSON

{
  "hex": "#12133a",
  "rgb": {
    "r": 18,
    "g": 19,
    "b": 58
  },
  "hsl": {
    "h": 238.5,
    "s": 52.632,
    "l": 14.902
  },
  "oklch": {
    "l": 0.21356,
    "c": 0.07378,
    "h": 277
  },
  "luminance": 0.009
}

Semantic roles & 50–950 ramp

primary

#12133A

secondary

#737135

accent

#D84CDC

background

#F5F4F6

surface

#E9E7EC

border

#C5C3C7

text

#030207

muted

#78787A

Preview Lab

Preview with #12133A

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

Preview Lab → · Contrast checker → · Palette generator →