#100E4F#100E4F

#100E4F is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 22.6% C 0.113 H 273.8°. Best body text is #FFFFFF at 17.53:1 contrast (WCAG AA passes).

Color values

HEX	#100E4F
RGB	rgb(16, 14, 79)
HSL	hsl(242, 70%, 18%)
HSV	hsv(242, 82%, 31%)
CMYK	cmyk(79.7%, 82.3%, 0%, 69%)
CIE-LAB	lab(8.90, 25.51, -39.03)
CIE-LCH	lch(8.90, 46.63, 303.16°)
OKLab	oklab(22.56% 0.0076 -0.1129)
OKLCH	oklch(22.56% 0.113 273.8)
XYZ	xyz(1.7815, 0.9886, 7.4925)
Luminance	0.0099 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.53

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100E4F #4D4F0E

analogous

#0E2C4F #100E4F #300E4F

triadic

#100E4F #4F100E #0E4F10

tetradic

#100E4F #4F0E2C #4D4F0E #0E4F30

square

#100E4F #4F0E2C #4D4F0E #0E4F30

split-complementary

#100E4F #4F300E #2C4F0E

monochromatic

#05051A #05051B #100E4F #1B1783 #2520B7

Accessibility & contrast

On white

17.53

#100E4F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#100E4F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100E4F

17.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100E4F	#FFFFFF	#000000	##FFFFFF
##100E4F	1.00	17.53	1.20	17.53
#FFFFFF	17.53	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001C51

Deuteranopia (green-blind)

#00164E

Tritanopia (blue-blind)

#00212E

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #100e4f;
/* rgb */ color: rgb(16, 14, 79);
/* oklch */ color: oklch(22.6% 0.113 273.8);

Tailwind

colors: {
  custom: {
    50: '#5b4d81',
    500: '#100e4f',
    950: '#000000',
  },
}

SCSS

$custom: #100e4f;
$custom-light: #5b4d81;
$custom-dark: #000000;

JSON

{
  "hex": "#100e4f",
  "rgb": {
    "r": 16,
    "g": 14,
    "b": 79
  },
  "hsl": {
    "h": 241.846,
    "s": 69.892,
    "l": 18.235
  },
  "oklch": {
    "l": 0.22557,
    "c": 0.11317,
    "h": 273.8
  },
  "luminance": 0.00989
}

Semantic roles & 50–950 ramp

primary

#100E4F

secondary

#878A2F

accent

#ED3BE7

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#04010A

muted

#79777C

Preview Lab

Preview with #100E4F

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

Preview Lab → · Contrast checker → · Palette generator →