#100E31#100E31

#100E31 is a very dark, moderate blue. Relative luminance 0.006; OKLCH L 19.2% C 0.067 H 280.5°. Best body text is #FFFFFF at 18.60:1 contrast (WCAG AA passes).

Color values

HEX	#100E31
RGB	rgb(16, 14, 49)
HSL	hsl(243, 56%, 12%)
HSV	hsv(243, 71%, 19%)
CMYK	cmyk(67.3%, 71.4%, 0%, 80.8%)
CIE-LAB	lab(5.83, 12.63, -22.63)
CIE-LCH	lch(5.83, 25.92, 299.17°)
OKLab	oklab(19.18% 0.0123 -0.0661)
OKLCH	oklch(19.18% 0.067 280.5)
XYZ	xyz(0.9249, 0.6459, 2.9811)
Luminance	0.0065 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100E31 #2F310E

analogous

#0E1D31 #100E31 #220E31

triadic

#100E31 #31100E #0E3110

tetradic

#100E31 #310E1D #2F310E #0E3122

square

#100E31 #310E1D #2F310E #0E3122

split-complementary

#100E31 #31220E #1D310E

monochromatic

#080718 #080718 #100E31 #201C61 #2F2990

Accessibility & contrast

On white

18.60

#100E31 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#100E31 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100E31

18.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100E31	#FFFFFF	#000000	##FFFFFF
##100E31	1.00	18.60	1.13	18.60
#FFFFFF	18.60	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001432

Deuteranopia (green-blind)

#001230

Tritanopia (blue-blind)

#02161D

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #100e31;
/* rgb */ color: rgb(16, 14, 49);
/* oklch */ color: oklch(19.2% 0.067 280.5);

Tailwind

colors: {
  custom: {
    50: '#524d69',
    500: '#100e31',
    950: '#000000',
  },
}

SCSS

$custom: #100e31;
$custom-light: #524d69;
$custom-dark: #000000;

JSON

{
  "hex": "#100e31",
  "rgb": {
    "r": 16,
    "g": 14,
    "b": 49
  },
  "hsl": {
    "h": 243.429,
    "s": 55.556,
    "l": 12.353
  },
  "oklch": {
    "l": 0.19182,
    "c": 0.06723,
    "h": 280.5
  },
  "luminance": 0.00646
}

Semantic roles & 50–950 ramp

primary

#100E31

secondary

#686C2F

accent

#DF49D6

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#020106

muted

#78777A

Preview Lab

Preview with #100E31

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

Preview Lab → · Contrast checker → · Palette generator →