#12133C#12133C

#12133C is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.6% C 0.077 H 276.7°. Best body text is #FFFFFF at 17.73:1 contrast (WCAG AA passes).

Color values

HEX	#12133C
RGB	rgb(18, 19, 60)
HSL	hsl(239, 54%, 15%)
HSV	hsv(239, 70%, 24%)
CMYK	cmyk(70%, 68.3%, 0%, 76.5%)
CIE-LAB	lab(8.31, 14.72, -26.63)
CIE-LCH	lch(8.31, 30.43, 298.92°)
OKLab	oklab(21.55% 0.009 -0.0766)
OKLCH	oklch(21.55% 0.077 276.7)
XYZ	xyz(1.2977, 0.9205, 4.3834)
Luminance	0.0092 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 4.10

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12133C #3C3B12

analogous

#12283C #12133C #26123C

triadic

#12133C #3C1213 #133C12

tetradic

#12133C #3C1228 #3C3B12 #123C26

square

#12133C #3C1228 #3C3B12 #123C26

split-complementary

#12133C #3C2612 #283C12

monochromatic

#070718 #070718 #12133C #20226B #2E319A

Accessibility & contrast

On white

17.73

#12133C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#12133C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12133C

17.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12133C	#FFFFFF	#000000	##FFFFFF
##12133C	1.00	17.73	1.18	17.73
#FFFFFF	17.73	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001A3D

Deuteranopia (green-blind)

#00163B

Tritanopia (blue-blind)

#001D25

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #12133c;
/* rgb */ color: rgb(18, 19, 60);
/* oklch */ color: oklch(21.6% 0.077 276.7);

Tailwind

colors: {
  custom: {
    50: '#555072',
    500: '#12133c',
    950: '#000000',
  },
}

SCSS

$custom: #12133c;
$custom-light: #555072;
$custom-dark: #000000;

JSON

{
  "hex": "#12133c",
  "rgb": {
    "r": 18,
    "g": 19,
    "b": 60
  },
  "hsl": {
    "h": 238.571,
    "s": 53.846,
    "l": 15.294
  },
  "oklch": {
    "l": 0.21551,
    "c": 0.07709,
    "h": 276.7
  },
  "luminance": 0.00921
}

Semantic roles & 50–950 ramp

primary

#12133C

secondary

#757335

accent

#DA4BDD

background

#F5F4F6

surface

#E9E7EC

border

#C5C3C7

text

#030208

muted

#78787B

Preview Lab

Preview with #12133C

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

Preview Lab → · Contrast checker → · Palette generator →