#100C30#100C30

#100C30 is a very dark, moderate blue. Relative luminance 0.006; OKLCH L 18.6% C 0.069 H 282.5°. Best body text is #FFFFFF at 18.79:1 contrast (WCAG AA passes).

Color values

HEX	#100C30
RGB	rgb(16, 12, 48)
HSL	hsl(247, 60%, 12%)
HSV	hsv(247, 75%, 19%)
CMYK	cmyk(66.7%, 75%, 0%, 81.2%)
CIE-LAB	lab(5.30, 13.13, -22.75)
CIE-LCH	lch(5.30, 26.27, 300.00°)
OKLab	oklab(18.65% 0.0149 -0.0672)
OKLCH	oklch(18.65% 0.069 282.5)
XYZ	xyz(0.8785, 0.5864, 2.8626)
Luminance	0.0059 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100C30 #2C300C

analogous

#0C1A30 #100C30 #220C30

triadic

#100C30 #30100C #0C3010

tetradic

#100C30 #300C1A #2C300C #0C3022

square

#100C30 #300C1A #2C300C #0C3022

split-complementary

#100C30 #30220C #1A300C

monochromatic

#080618 #080618 #100C30 #201861 #312492

Accessibility & contrast

On white

18.79

#100C30 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#100C30 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100C30

18.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100C30	#FFFFFF	#000000	##FFFFFF
##100C30	1.00	18.79	1.12	18.79
#FFFFFF	18.79	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001331

Deuteranopia (green-blind)

#00102F

Tritanopia (blue-blind)

#03151C

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #100c30;
/* rgb */ color: rgb(16, 12, 48);
/* oklch */ color: oklch(18.6% 0.069 282.5);

Tailwind

colors: {
  custom: {
    50: '#514c68',
    500: '#100c30',
    950: '#000000',
  },
}

SCSS

$custom: #100c30;
$custom-light: #514c68;
$custom-dark: #000000;

JSON

{
  "hex": "#100c30",
  "rgb": {
    "r": 16,
    "g": 12,
    "b": 48
  },
  "hsl": {
    "h": 246.667,
    "s": 60,
    "l": 11.765
  },
  "oklch": {
    "l": 0.1865,
    "c": 0.06882,
    "h": 282.5
  },
  "luminance": 0.00587
}

Semantic roles & 50–950 ramp

primary

#100C30

secondary

#656C2C

accent

#E345D2

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#020106

muted

#78777A

Preview Lab

Preview with #100C30

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

Preview Lab → · Contrast checker → · Palette generator →