#13123A#13123A

#13123A is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.2% C 0.075 H 279.0°. Best body text is #FFFFFF at 17.87:1 contrast (WCAG AA passes).

Color values

HEX	#13123A
RGB	rgb(19, 18, 58)
HSL	hsl(242, 53%, 15%)
HSV	hsv(242, 69%, 23%)
CMYK	cmyk(67.2%, 69%, 0%, 77.3%)
CIE-LAB	lab(7.92, 14.88, -25.83)
CIE-LCH	lch(7.92, 29.81, 299.94°)
OKLab	oklab(21.22% 0.0117 -0.0742)
OKLCH	oklch(21.22% 0.075 279)
XYZ	xyz(1.2483, 0.8765, 4.1056)
Luminance	0.0088 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#13123A #393A12

analogous

#12253A #13123A #27123A

triadic

#13123A #3A1312 #123A13

tetradic

#13123A #3A1225 #393A12 #123A27

square

#13123A #3A1225 #393A12 #123A27

split-complementary

#13123A #3A2712 #253A12

monochromatic

#080717 #080717 #13123A #222069 #322F97

Accessibility & contrast

On white

17.87

#13123A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#13123A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #13123A

17.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##13123A	#FFFFFF	#000000	##FFFFFF
##13123A	1.00	17.87	1.18	17.87
#FFFFFF	17.87	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00193B

Deuteranopia (green-blind)

#001639

Tritanopia (blue-blind)

#001C23

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #13123a;
/* rgb */ color: rgb(19, 18, 58);
/* oklch */ color: oklch(21.2% 0.075 279.0);

Tailwind

colors: {
  custom: {
    50: '#564f70',
    500: '#13123a',
    950: '#000000',
  },
}

SCSS

$custom: #13123a;
$custom-light: #564f70;
$custom-dark: #000000;

JSON

{
  "hex": "#13123a",
  "rgb": {
    "r": 19,
    "g": 18,
    "b": 58
  },
  "hsl": {
    "h": 241.5,
    "s": 52.632,
    "l": 14.902
  },
  "oklch": {
    "l": 0.21224,
    "c": 0.0751,
    "h": 279
  },
  "luminance": 0.00877
}

Semantic roles & 50–950 ramp

primary

#13123A

secondary

#717335

accent

#DC4CD8

background

#F5F4F6

surface

#E9E7EC

border

#C5C3C7

text

#030207

muted

#78787A

Preview Lab

Preview with #13123A

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

Preview Lab → · Contrast checker → · Palette generator →