#100E39#100E39

#100E39 is a very dark, moderate blue. Relative luminance 0.007; OKLCH L 20.0% C 0.080 H 278.3°. Best body text is #FFFFFF at 18.36:1 contrast (WCAG AA passes).

Color values

HEX	#100E39
RGB	rgb(16, 14, 57)
HSL	hsl(243, 61%, 14%)
HSV	hsv(243, 75%, 22%)
CMYK	cmyk(71.9%, 75.4%, 0%, 77.6%)
CIE-LAB	lab(6.50, 16.42, -27.42)
CIE-LCH	lch(6.50, 31.96, 300.92°)
OKLab	oklab(20.01% 0.0116 -0.0795)
OKLCH	oklch(20.01% 0.08 278.3)
XYZ	xyz(1.1090, 0.7196, 3.9505)
Luminance	0.0072 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100E39 #37390E

analogous

#0E2239 #100E39 #260E39

triadic

#100E39 #39100E #0E3910

tetradic

#100E39 #390E22 #37390E #0E3926

square

#100E39 #390E22 #37390E #0E3926

split-complementary

#100E39 #39260E #22390E

monochromatic

#070619 #070619 #100E39 #1E1A6A #2C269B

Accessibility & contrast

On white

18.36

#100E39 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#100E39 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100E39

18.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100E39	#FFFFFF	#000000	##FFFFFF
##100E39	1.00	18.36	1.14	18.36
#FFFFFF	18.36	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00163A

Deuteranopia (green-blind)

#001338

Tritanopia (blue-blind)

#001921

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #100e39;
/* rgb */ color: rgb(16, 14, 57);
/* oklch */ color: oklch(20.0% 0.080 278.3);

Tailwind

colors: {
  custom: {
    50: '#544c70',
    500: '#100e39',
    950: '#000000',
  },
}

SCSS

$custom: #100e39;
$custom-light: #544c70;
$custom-dark: #000000;

JSON

{
  "hex": "#100e39",
  "rgb": {
    "r": 16,
    "g": 14,
    "b": 57
  },
  "hsl": {
    "h": 242.791,
    "s": 60.563,
    "l": 13.922
  },
  "oklch": {
    "l": 0.20009,
    "c": 0.08036,
    "h": 278.3
  },
  "luminance": 0.0072
}

Semantic roles & 50–950 ramp

primary

#100E39

secondary

#71742F

accent

#E444DC

background

#F5F4F6

surface

#E9E7EC

border

#C5C3C7

text

#030107

muted

#78777A

Preview Lab

Preview with #100E39

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

Preview Lab → · Contrast checker → · Palette generator →