#100C36#100C36

#100C36 is a very dark, moderate blue. Relative luminance 0.006; OKLCH L 19.3% C 0.079 H 280.4°. Best body text is #FFFFFF at 18.62:1 contrast (WCAG AA passes).

Color values

HEX	#100C36
RGB	rgb(16, 12, 54)
HSL	hsl(246, 64%, 13%)
HSV	hsv(246, 78%, 21%)
CMYK	cmyk(70.4%, 77.8%, 0%, 78.8%)
CIE-LAB	lab(5.78, 16.09, -26.41)
CIE-LCH	lch(5.78, 30.92, 301.36°)
OKLab	oklab(19.28% 0.0141 -0.0773)
OKLCH	oklch(19.28% 0.079 280.4)
XYZ	xyz(1.0108, 0.6394, 3.5595)
Luminance	0.0064 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight

#03012D

ΔE00 3.23

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100C36 #32360C

analogous

#0C1D36 #100C36 #250C36

triadic

#100C36 #36100C #0C3610

tetradic

#100C36 #360C1D #32360C #0C3625

square

#100C36 #360C1D #32360C #0C3625

split-complementary

#100C36 #36250C #1D360C

monochromatic

#070619 #070619 #100C36 #1F1768 #2E229A

Accessibility & contrast

On white

18.62

#100C36 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#100C36 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100C36

18.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100C36	#FFFFFF	#000000	##FFFFFF
##100C36	1.00	18.62	1.13	18.62
#FFFFFF	18.62	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001437

Deuteranopia (green-blind)

#001135

Tritanopia (blue-blind)

#00171F

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #100c36;
/* rgb */ color: rgb(16, 12, 54);
/* oklch */ color: oklch(19.3% 0.079 280.4);

Tailwind

colors: {
  custom: {
    50: '#534b6d',
    500: '#100c36',
    950: '#000000',
  },
}

SCSS

$custom: #100c36;
$custom-light: #534b6d;
$custom-dark: #000000;

JSON

{
  "hex": "#100c36",
  "rgb": {
    "r": 16,
    "g": 12,
    "b": 54
  },
  "hsl": {
    "h": 245.714,
    "s": 63.636,
    "l": 12.941
  },
  "oklch": {
    "l": 0.19284,
    "c": 0.07854,
    "h": 280.4
  },
  "luminance": 0.00639
}

Semantic roles & 50–950 ramp

primary

#100C36

secondary

#6B722C

accent

#E741D7

background

#F4F4F6

surface

#E8E7EB

border

#C4C3C6

text

#030107

muted

#78777A

Preview Lab

Preview with #100C36

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

Preview Lab → · Contrast checker → · Palette generator →