#13103A#13103A

#13103A is a very dark, moderate blue. Relative luminance 0.008; OKLCH L 20.8% C 0.078 H 280.3°. Best body text is #FFFFFF at 18.06:1 contrast (WCAG AA passes).

Color values

HEX	#13103A
RGB	rgb(19, 16, 58)
HSL	hsl(244, 57%, 15%)
HSV	hsv(244, 72%, 23%)
CMYK	cmyk(67.2%, 72.4%, 0%, 77.3%)
CIE-LAB	lab(7.36, 16.31, -26.74)
CIE-LCH	lch(7.36, 31.32, 301.38°)
OKLab	oklab(20.8% 0.0141 -0.077)
OKLCH	oklch(20.8% 0.078 280.3)
XYZ	xyz(1.2173, 0.8144, 4.0952)
Luminance	0.0081 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#13103A #373A10

analogous

#10223A #13103A #28103A

triadic

#13103A #3A1310 #103A13

tetradic

#13103A #3A1022 #373A10 #103A28

square

#13103A #3A1022 #373A10 #103A28

split-complementary

#13103A #3A2810 #223A10

monochromatic

#080718 #080718 #13103A #231D6A #322A9A

Accessibility & contrast

On white

18.06

#13103A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#13103A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #13103A

18.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##13103A	#FFFFFF	#000000	##FFFFFF
##13103A	1.00	18.06	1.16	18.06
#FFFFFF	18.06	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00183B

Deuteranopia (green-blind)

#001539

Tritanopia (blue-blind)

#011A23

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #13103a;
/* rgb */ color: rgb(19, 16, 58);
/* oklch */ color: oklch(20.8% 0.078 280.3);

Tailwind

colors: {
  custom: {
    50: '#564e71',
    500: '#13103a',
    950: '#000000',
  },
}

SCSS

$custom: #13103a;
$custom-light: #564e71;
$custom-dark: #000000;

JSON

{
  "hex": "#13103a",
  "rgb": {
    "r": 19,
    "g": 16,
    "b": 58
  },
  "hsl": {
    "h": 244.286,
    "s": 56.757,
    "l": 14.51
  },
  "oklch": {
    "l": 0.208,
    "c": 0.07823,
    "h": 280.3
  },
  "luminance": 0.00815
}

Semantic roles & 50–950 ramp

primary

#13103A

secondary

#6F7432

accent

#E048D5

background

#F5F4F6

surface

#E9E7EC

border

#C5C3C7

text

#030107

muted

#78777A

Preview Lab

Preview with #13103A

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

Preview Lab → · Contrast checker → · Palette generator →