#100E3A#100E3A

#100E3A is a very dark, moderate blue. Relative luminance 0.007; OKLCH L 20.1% C 0.082 H 278.1°. Best body text is #FFFFFF at 18.32:1 contrast (WCAG AA passes).

Color values

HEX	#100E3A
RGB	rgb(16, 14, 58)
HSL	hsl(243, 61%, 14%)
HSV	hsv(243, 76%, 23%)
CMYK	cmyk(72.4%, 75.9%, 0%, 77.3%)
CIE-LAB	lab(6.59, 16.89, -27.99)
CIE-LCH	lch(6.59, 32.69, 301.10°)
OKLab	oklab(20.12% 0.0115 -0.0811)
OKLCH	oklch(20.12% 0.082 278.1)
XYZ	xyz(1.1342, 0.7296, 4.0832)
Luminance	0.0073 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100E3A #383A0E

analogous

#0E223A #100E3A #260E3A

triadic

#100E3A #3A100E #0E3A10

tetradic

#100E3A #3A0E22 #383A0E #0E3A26

square

#100E3A #3A0E22 #383A0E #0E3A26

split-complementary

#100E3A #3A260E #223A0E

monochromatic

#070619 #070619 #100E3A #1E1A6B #2B269D

Accessibility & contrast

On white

18.32

#100E3A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#100E3A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100E3A

18.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100E3A	#FFFFFF	#000000	##FFFFFF
##100E3A	1.00	18.32	1.15	18.32
#FFFFFF	18.32	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00163B

Deuteranopia (green-blind)

#001339

Tritanopia (blue-blind)

#001922

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #100e3a;
/* rgb */ color: rgb(16, 14, 58);
/* oklch */ color: oklch(20.1% 0.082 278.1);

Tailwind

colors: {
  custom: {
    50: '#544c71',
    500: '#100e3a',
    950: '#000000',
  },
}

SCSS

$custom: #100e3a;
$custom-light: #544c71;
$custom-dark: #000000;

JSON

{
  "hex": "#100e3a",
  "rgb": {
    "r": 16,
    "g": 14,
    "b": 58
  },
  "hsl": {
    "h": 242.727,
    "s": 61.111,
    "l": 14.118
  },
  "oklch": {
    "l": 0.20116,
    "c": 0.08195,
    "h": 278.1
  },
  "luminance": 0.0073
}

Semantic roles & 50–950 ramp

primary

#100E3A

secondary

#72752F

accent

#E444DD

background

#F5F4F6

surface

#E9E7EC

border

#C5C3C7

text

#030107

muted

#78777A

Preview Lab

Preview with #100E3A

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

Preview Lab → · Contrast checker → · Palette generator →