#100E3B#100E3B

#100E3B is a very dark, moderate blue. Relative luminance 0.007; OKLCH L 20.2% C 0.084 H 277.8°. Best body text is #FFFFFF at 18.29:1 contrast (WCAG AA passes).

Color values

HEX	#100E3B
RGB	rgb(16, 14, 59)
HSL	hsl(243, 62%, 14%)
HSV	hsv(243, 76%, 23%)
CMYK	cmyk(72.9%, 76.3%, 0%, 76.9%)
CIE-LAB	lab(6.68, 17.34, -28.57)
CIE-LCH	lch(6.68, 33.42, 301.26°)
OKLab	oklab(20.23% 0.0114 -0.0827)
OKLCH	oklch(20.23% 0.084 277.8)
XYZ	xyz(1.1599, 0.7399, 4.2185)
Luminance	0.0074 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100E3B #393B0E

analogous

#0E233B #100E3B #270E3B

triadic

#100E3B #3B100E #0E3B10

tetradic

#100E3B #3B0E23 #393B0E #0E3B27

square

#100E3B #3B0E23 #393B0E #0E3B27

split-complementary

#100E3B #3B270E #233B0E

monochromatic

#070619 #070619 #100E3B #1D1A6C #2B259E

Accessibility & contrast

On white

18.29

#100E3B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#100E3B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100E3B

18.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100E3B	#FFFFFF	#000000	##FFFFFF
##100E3B	1.00	18.29	1.15	18.29
#FFFFFF	18.29	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00173C

Deuteranopia (green-blind)

#00133A

Tritanopia (blue-blind)

#001A22

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #100e3b;
/* rgb */ color: rgb(16, 14, 59);
/* oklch */ color: oklch(20.2% 0.084 277.8);

Tailwind

colors: {
  custom: {
    50: '#554c71',
    500: '#100e3b',
    950: '#000000',
  },
}

SCSS

$custom: #100e3b;
$custom-light: #554c71;
$custom-dark: #000000;

JSON

{
  "hex": "#100e3b",
  "rgb": {
    "r": 16,
    "g": 14,
    "b": 59
  },
  "hsl": {
    "h": 242.667,
    "s": 61.644,
    "l": 14.314
  },
  "oklch": {
    "l": 0.20225,
    "c": 0.08353,
    "h": 277.8
  },
  "luminance": 0.0074
}

Semantic roles & 50–950 ramp

primary

#100E3B

secondary

#73762F

accent

#E543DE

background

#F5F4F6

surface

#E9E7EC

border

#C5C3C7

text

#030108

muted

#78777B

Preview Lab

Preview with #100E3B

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

Preview Lab → · Contrast checker → · Palette generator →