#100A49#100A49

#100A49 is a very dark, moderate blue. Relative luminance 0.008; OKLCH L 21.2% C 0.109 H 275.9°. Best body text is #FFFFFF at 18.08:1 contrast (WCAG AA passes).

Color values

HEX	#100A49
RGB	rgb(16, 10, 73)
HSL	hsl(246, 76%, 16%)
HSV	hsv(246, 86%, 29%)
CMYK	cmyk(78.1%, 86.3%, 0%, 71.4%)
CIE-LAB	lab(7.30, 25.66, -37.50)
CIE-LCH	lch(7.30, 45.44, 304.39°)
OKLab	oklab(21.2% 0.0113 -0.1085)
OKLCH	oklch(21.2% 0.109 275.9)
XYZ	xyz(1.5244, 0.8081, 6.3777)
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

#100A49 #43490A

analogous

#0A2449 #100A49 #300A49

triadic

#100A49 #49100A #0A4910

tetradic

#100A49 #490A24 #43490A #0A4930

square

#100A49 #490A24 #43490A #0A4930

split-complementary

#100A49 #49300A #24490A

monochromatic

#06041B #06041B #100A49 #1C117F #2819B5

Accessibility & contrast

On white

18.08

#100A49 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#100A49 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100A49

18.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100A49	#FFFFFF	#000000	##FFFFFF
##100A49	1.00	18.08	1.16	18.08
#FFFFFF	18.08	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00194B

Deuteranopia (green-blind)

#001348

Tritanopia (blue-blind)

#001D29

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #100a49;
/* rgb */ color: rgb(16, 10, 73);
/* oklch */ color: oklch(21.2% 0.109 275.9);

Tailwind

colors: {
  custom: {
    50: '#594a7d',
    500: '#100a49',
    950: '#000000',
  },
}

SCSS

$custom: #100a49;
$custom-light: #594a7d;
$custom-dark: #000000;

JSON

{
  "hex": "#100a49",
  "rgb": {
    "r": 16,
    "g": 10,
    "b": 73
  },
  "hsl": {
    "h": 245.714,
    "s": 75.904,
    "l": 16.275
  },
  "oklch": {
    "l": 0.21197,
    "c": 0.1091,
    "h": 275.9
  },
  "luminance": 0.00808
}

Semantic roles & 50–950 ramp

primary

#100A49

secondary

#7D8629

accent

#F235E0

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04010A

muted

#79777C

Preview Lab

Preview with #100A49

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

Preview Lab → · Contrast checker → · Palette generator →