#100F2D#100F2D

#100F2D is a very dark, muted blue. Relative luminance 0.006; OKLCH L 19.0% C 0.059 H 280.8°. Best body text is #FFFFFF at 18.61:1 contrast (WCAG AA passes).

Color values

HEX	#100F2D
RGB	rgb(16, 15, 45)
HSL	hsl(242, 50%, 12%)
HSV	hsv(242, 67%, 18%)
CMYK	cmyk(64.4%, 66.7%, 0%, 82.4%)
CIE-LAB	lab(5.79, 10.18, -19.73)
CIE-LCH	lch(5.79, 22.20, 297.29°)
OKLab	oklab(19.03% 0.0109 -0.0576)
OKLCH	oklch(19.03% 0.059 280.8)
XYZ	xyz(0.8580, 0.6412, 2.5607)
Luminance	0.0064 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.98

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100F2D #2C2D0F

analogous

#0F1D2D #100F2D #1F0F2D

triadic

#100F2D #2D100F #0F2D10

tetradic

#100F2D #2D0F1D #2C2D0F #0F2D1F

square

#100F2D #2D0F1D #2C2D0F #0F2D1F

split-complementary

#100F2D #2D1F0F #1D2D0F

monochromatic

#080817 #080817 #100F2D #201E5B #312E89

Accessibility & contrast

On white

18.61

#100F2D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#100F2D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100F2D

18.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100F2D	#FFFFFF	#000000	##FFFFFF
##100F2D	1.00	18.61	1.13	18.61
#FFFFFF	18.61	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#01142E

Deuteranopia (green-blind)

#00122C

Tritanopia (blue-blind)

#05161C

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #100f2d;
/* rgb */ color: rgb(16, 15, 45);
/* oklch */ color: oklch(19.0% 0.059 280.8);

Tailwind

colors: {
  custom: {
    50: '#504d66',
    500: '#100f2d',
    950: '#000000',
  },
}

SCSS

$custom: #100f2d;
$custom-light: #504d66;
$custom-dark: #000000;

JSON

{
  "hex": "#100f2d",
  "rgb": {
    "r": 16,
    "g": 15,
    "b": 45
  },
  "hsl": {
    "h": 242,
    "s": 50,
    "l": 11.765
  },
  "oklch": {
    "l": 0.19029,
    "c": 0.05862,
    "h": 280.8
  },
  "luminance": 0.00641
}

Semantic roles & 50–950 ramp

primary

#100F2D

secondary

#656631

accent

#DA4ED5

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#020106

muted

#78777A

Preview Lab

Preview with #100F2D

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

Preview Lab → · Contrast checker → · Palette generator →