#100F30#100F30

#100F30 is a very dark, moderate blue. Relative luminance 0.007; OKLCH L 19.3% C 0.064 H 279.9°. Best body text is #FFFFFF at 18.53:1 contrast (WCAG AA passes).

Color values

HEX	#100F30
RGB	rgb(16, 15, 48)
HSL	hsl(242, 52%, 12%)
HSV	hsv(242, 69%, 19%)
CMYK	cmyk(66.7%, 68.7%, 0%, 81.2%)
CIE-LAB	lab(6.01, 11.61, -21.62)
CIE-LCH	lch(6.01, 24.54, 298.24°)
OKLab	oklab(19.31% 0.011 -0.0629)
OKLCH	oklch(19.31% 0.064 279.9)
XYZ	xyz(0.9178, 0.6651, 2.8758)
Luminance	0.0066 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.07

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100F30 #2F300F

analogous

#0F1F30 #100F30 #210F30

triadic

#100F30 #30100F #0F3010

tetradic

#100F30 #300F1F #2F300F #0F3021

square

#100F30 #300F1F #2F300F #0F3021

split-complementary

#100F30 #30210F #1F300F

monochromatic

#080717 #080717 #100F30 #201E5F #2F2C8D

Accessibility & contrast

On white

18.53

#100F30 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#100F30 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100F30

18.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100F30	#FFFFFF	#000000	##FFFFFF
##100F30	1.00	18.53	1.13	18.53
#FFFFFF	18.53	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001531

Deuteranopia (green-blind)

#00122F

Tritanopia (blue-blind)

#03171D

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #100f30;
/* rgb */ color: rgb(16, 15, 48);
/* oklch */ color: oklch(19.3% 0.064 279.9);

Tailwind

colors: {
  custom: {
    50: '#514d68',
    500: '#100f30',
    950: '#000000',
  },
}

SCSS

$custom: #100f30;
$custom-light: #514d68;
$custom-dark: #000000;

JSON

{
  "hex": "#100f30",
  "rgb": {
    "r": 16,
    "g": 15,
    "b": 48
  },
  "hsl": {
    "h": 241.818,
    "s": 52.381,
    "l": 12.353
  },
  "oklch": {
    "l": 0.1931,
    "c": 0.06386,
    "h": 279.9
  },
  "luminance": 0.00665
}

Semantic roles & 50–950 ramp

primary

#100F30

secondary

#686A31

accent

#DC4CD7

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#020106

muted

#78777A

Preview Lab

Preview with #100F30

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

Preview Lab → · Contrast checker → · Palette generator →