#100F35#100F35

#100F35 is a very dark, moderate blue. Relative luminance 0.007; OKLCH L 19.8% C 0.072 H 278.7°. Best body text is #FFFFFF at 18.39:1 contrast (WCAG AA passes).

Color values

HEX	#100F35
RGB	rgb(16, 15, 53)
HSL	hsl(242, 56%, 13%)
HSV	hsv(242, 72%, 21%)
CMYK	cmyk(69.8%, 71.7%, 0%, 79.2%)
CIE-LAB	lab(6.40, 13.97, -24.66)
CIE-LCH	lch(6.40, 28.35, 299.53°)
OKLab	oklab(19.8% 0.0109 -0.0715)
OKLCH	oklch(19.8% 0.072 278.7)
XYZ	xyz(1.0269, 0.7088, 3.4502)
Luminance	0.0071 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100F35 #34350F

analogous

#0F2135 #100F35 #230F35

triadic

#100F35 #35100F #0F3510

tetradic

#100F35 #350F21 #34350F #0F3523

square

#100F35 #350F21 #34350F #0F3523

split-complementary

#100F35 #35230F #21350F

monochromatic

#070718 #070718 #100F35 #1E1C65 #2D2A94

Accessibility & contrast

On white

18.39

#100F35 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#100F35 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100F35

18.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100F35	#FFFFFF	#000000	##FFFFFF
##100F35	1.00	18.39	1.14	18.39
#FFFFFF	18.39	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001636

Deuteranopia (green-blind)

#001334

Tritanopia (blue-blind)

#001820

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #100f35;
/* rgb */ color: rgb(16, 15, 53);
/* oklch */ color: oklch(19.8% 0.072 278.7);

Tailwind

colors: {
  custom: {
    50: '#534d6c',
    500: '#100f35',
    950: '#000000',
  },
}

SCSS

$custom: #100f35;
$custom-light: #534d6c;
$custom-dark: #000000;

JSON

{
  "hex": "#100f35",
  "rgb": {
    "r": 16,
    "g": 15,
    "b": 53
  },
  "hsl": {
    "h": 241.579,
    "s": 55.882,
    "l": 13.333
  },
  "oklch": {
    "l": 0.19802,
    "c": 0.07232,
    "h": 278.7
  },
  "luminance": 0.00709
}

Semantic roles & 50–950 ramp

primary

#100F35

secondary

#6E6F31

accent

#DF49DB

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#030107

muted

#78777A

Preview Lab

Preview with #100F35

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

Preview Lab → · Contrast checker → · Palette generator →