#100B32#100B32

#100B32 is a very dark, moderate blue. Relative luminance 0.006; OKLCH L 18.7% C 0.074 H 282.4°. Best body text is #FFFFFF at 18.82:1 contrast (WCAG AA passes).

Color values

HEX	#100B32
RGB	rgb(16, 11, 50)
HSL	hsl(248, 64%, 12%)
HSV	hsv(248, 78%, 20%)
CMYK	cmyk(68%, 78%, 0%, 80.4%)
CIE-LAB	lab(5.24, 14.59, -24.33)
CIE-LCH	lch(5.24, 28.37, 300.95°)
OKLab	oklab(18.65% 0.0158 -0.0719)
OKLCH	oklch(18.65% 0.074 282.4)
XYZ	xyz(0.9089, 0.5797, 3.0810)
Luminance	0.0058 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100B32 #2D320B

analogous

#0B1A32 #100B32 #240B32

triadic

#100B32 #32100B #0B3210

tetradic

#100B32 #320B1A #2D320B #0B3224

square

#100B32 #320B1A #2D320B #0B3224

split-complementary

#100B32 #32240B #1A320B

monochromatic

#080619 #080619 #100B32 #201664 #302196

Accessibility & contrast

On white

18.82

#100B32 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#100B32 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100B32

18.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100B32	#FFFFFF	#000000	##FFFFFF
##100B32	1.00	18.82	1.12	18.82
#FFFFFF	18.82	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001333

Deuteranopia (green-blind)

#001031

Tritanopia (blue-blind)

#02151D

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #100b32;
/* rgb */ color: rgb(16, 11, 50);
/* oklch */ color: oklch(18.7% 0.074 282.4);

Tailwind

colors: {
  custom: {
    50: '#524b6a',
    500: '#100b32',
    950: '#000000',
  },
}

SCSS

$custom: #100b32;
$custom-light: #524b6a;
$custom-dark: #000000;

JSON

{
  "hex": "#100b32",
  "rgb": {
    "r": 16,
    "g": 11,
    "b": 50
  },
  "hsl": {
    "h": 247.692,
    "s": 63.934,
    "l": 11.961
  },
  "oklch": {
    "l": 0.18654,
    "c": 0.07366,
    "h": 282.4
  },
  "luminance": 0.0058
}

Semantic roles & 50–950 ramp

primary

#100B32

secondary

#666F2A

accent

#E741D2

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#020106

muted

#78777A

Preview Lab

Preview with #100B32

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

Preview Lab → · Contrast checker → · Palette generator →