#100E4C#100E4C

#100E4C is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 22.2% C 0.109 H 274.3°. Best body text is #FFFFFF at 17.66:1 contrast (WCAG AA passes).

Color values

HEX	#100E4C
RGB	rgb(16, 14, 76)
HSL	hsl(242, 69%, 18%)
HSV	hsv(242, 82%, 30%)
CMYK	cmyk(78.9%, 81.6%, 0%, 70.2%)
CIE-LAB	lab(8.53, 24.37, -37.56)
CIE-LCH	lch(8.53, 44.77, 302.98°)
OKLab	oklab(22.19% 0.0082 -0.1086)
OKLCH	oklch(22.19% 0.109 274.3)
XYZ	xyz(1.6748, 0.9459, 6.9304)
Luminance	0.0095 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100E4C #4A4C0E

analogous

#0E2B4C #100E4C #2F0E4C

triadic

#100E4C #4C100E #0E4C10

tetradic

#100E4C #4C0E2B #4A4C0E #0E4C2F

square

#100E4C #4C0E2B #4A4C0E #0E4C2F

split-complementary

#100E4C #4C2F0E #2B4C0E

monochromatic

#05051A #05051A #100E4C #1B1880 #2621B3

Accessibility & contrast

On white

17.66

#100E4C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#100E4C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100E4C

17.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100E4C	#FFFFFF	#000000	##FFFFFF
##100E4C	1.00	17.66	1.19	17.66
#FFFFFF	17.66	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001B4E

Deuteranopia (green-blind)

#00164B

Tritanopia (blue-blind)

#00202C

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #100e4c;
/* rgb */ color: rgb(16, 14, 76);
/* oklch */ color: oklch(22.2% 0.109 274.3);

Tailwind

colors: {
  custom: {
    50: '#5a4d7f',
    500: '#100e4c',
    950: '#000000',
  },
}

SCSS

$custom: #100e4c;
$custom-light: #5a4d7f;
$custom-dark: #000000;

JSON

{
  "hex": "#100e4c",
  "rgb": {
    "r": 16,
    "g": 14,
    "b": 76
  },
  "hsl": {
    "h": 241.935,
    "s": 68.889,
    "l": 17.647
  },
  "oklch": {
    "l": 0.22191,
    "c": 0.10893,
    "h": 274.3
  },
  "luminance": 0.00946
}

Semantic roles & 50–950 ramp

primary

#100E4C

secondary

#84872F

accent

#EC3CE6

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04010A

muted

#79777C

Preview Lab

Preview with #100E4C

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

Preview Lab → · Contrast checker → · Palette generator →