#100C48#100C48

#100C48 is a very dark, moderate blue. Relative luminance 0.008; OKLCH L 21.4% C 0.106 H 275.6°. Best body text is #FFFFFF at 17.98:1 contrast (WCAG AA passes).

Color values

HEX	#100C48
RGB	rgb(16, 12, 72)
HSL	hsl(244, 71%, 16%)
HSV	hsv(244, 83%, 28%)
CMYK	cmyk(77.8%, 83.3%, 0%, 71.8%)
CIE-LAB	lab(7.59, 24.12, -36.31)
CIE-LCH	lch(7.59, 43.59, 303.59°)
OKLab	oklab(21.38% 0.0104 -0.105)
OKLCH	oklch(21.38% 0.106 275.6)
XYZ	xyz(1.5145, 0.8408, 6.2121)
Luminance	0.0084 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100C48 #44480C

analogous

#0C2648 #100C48 #2E0C48

triadic

#100C48 #48100C #0C4810

tetradic

#100C48 #480C26 #44480C #0C482E

square

#100C48 #480C26 #44480C #0C482E

split-complementary

#100C48 #482E0C #26480C

monochromatic

#06041A #06041A #100C48 #1C157C #271DB1

Accessibility & contrast

On white

17.98

#100C48 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#100C48 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100C48

17.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100C48	#FFFFFF	#000000	##FFFFFF
##100C48	1.00	17.98	1.17	17.98
#FFFFFF	17.98	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	17.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00194A

Deuteranopia (green-blind)

#001447

Tritanopia (blue-blind)

#001D29

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #100c48;
/* rgb */ color: rgb(16, 12, 72);
/* oklch */ color: oklch(21.4% 0.106 275.6);

Tailwind

colors: {
  custom: {
    50: '#594c7c',
    500: '#100c48',
    950: '#000000',
  },
}

SCSS

$custom: #100c48;
$custom-light: #594c7c;
$custom-dark: #000000;

JSON

{
  "hex": "#100c48",
  "rgb": {
    "r": 16,
    "g": 12,
    "b": 72
  },
  "hsl": {
    "h": 244,
    "s": 71.429,
    "l": 16.471
  },
  "oklch": {
    "l": 0.21378,
    "c": 0.10552,
    "h": 275.6
  },
  "luminance": 0.00841
}

Semantic roles & 50–950 ramp

primary

#100C48

secondary

#7E842C

accent

#EE3AE2

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#040109

muted

#79777B

Preview Lab

Preview with #100C48

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

Preview Lab → · Contrast checker → · Palette generator →