#100E4D#100E4D

#100E4D is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 22.3% C 0.110 H 274.2°. Best body text is #FFFFFF at 17.62:1 contrast (WCAG AA passes).

Color values

HEX	#100E4D
RGB	rgb(16, 14, 77)
HSL	hsl(242, 69%, 18%)
HSV	hsv(242, 82%, 30%)
CMYK	cmyk(79.2%, 81.8%, 0%, 69.8%)
CIE-LAB	lab(8.65, 24.75, -38.05)
CIE-LCH	lch(8.65, 45.39, 303.04°)
OKLab	oklab(22.31% 0.008 -0.1101)
OKLCH	oklch(22.31% 0.11 274.2)
XYZ	xyz(1.7098, 0.9599, 7.1149)
Luminance	0.0096 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.19

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100E4D #4B4D0E

analogous

#0E2B4D #100E4D #2F0E4D

triadic

#100E4D #4D100E #0E4D10

tetradic

#100E4D #4D0E2B #4B4D0E #0E4D2F

square

#100E4D #4D0E2B #4B4D0E #0E4D2F

split-complementary

#100E4D #4D2F0E #2B4D0E

monochromatic

#05051A #05051A #100E4D #1B1781 #2621B5

Accessibility & contrast

On white

17.62

#100E4D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#100E4D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100E4D

17.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100E4D	#FFFFFF	#000000	##FFFFFF
##100E4D	1.00	17.62	1.19	17.62
#FFFFFF	17.62	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001C4F

Deuteranopia (green-blind)

#00164C

Tritanopia (blue-blind)

#00202C

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #100e4d;
/* rgb */ color: rgb(16, 14, 77);
/* oklch */ color: oklch(22.3% 0.110 274.2);

Tailwind

colors: {
  custom: {
    50: '#5a4d80',
    500: '#100e4d',
    950: '#000000',
  },
}

SCSS

$custom: #100e4d;
$custom-light: #5a4d80;
$custom-dark: #000000;

JSON

{
  "hex": "#100e4d",
  "rgb": {
    "r": 16,
    "g": 14,
    "b": 77
  },
  "hsl": {
    "h": 241.905,
    "s": 69.231,
    "l": 17.843
  },
  "oklch": {
    "l": 0.22312,
    "c": 0.11035,
    "h": 274.2
  },
  "luminance": 0.0096
}

Semantic roles & 50–950 ramp

primary

#100E4D

secondary

#85882F

accent

#EC3CE6

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04010A

muted

#79777C

Preview Lab

Preview with #100E4D

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

Preview Lab → · Contrast checker → · Palette generator →