#100F46#100F46

#100F46 is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.7% C 0.099 H 275.1°. Best body text is #FFFFFF at 17.81:1 contrast (WCAG AA passes).

Color values

HEX	#100F46
RGB	rgb(16, 15, 70)
HSL	hsl(241, 65%, 17%)
HSV	hsv(241, 79%, 27%)
CMYK	cmyk(77.1%, 78.6%, 0%, 72.5%)
CIE-LAB	lab(8.07, 21.36, -34.12)
CIE-LCH	lch(8.07, 40.25, 302.04°)
OKLab	oklab(21.65% 0.0088 -0.0986)
OKLCH	oklch(21.65% 0.099 275.1)
XYZ	xyz(1.4896, 0.8939, 5.8872)
Luminance	0.0089 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100F46 #45460F

analogous

#0F2A46 #100F46 #2C0F46

triadic

#100F46 #46100F #0F4610

tetradic

#100F46 #460F2A #45460F #0F462C

square

#100F46 #460F2A #45460F #0F462C

split-complementary

#100F46 #462C0F #2A460F

monochromatic

#060519 #060519 #100F46 #1C1A78 #2725AB

Accessibility & contrast

On white

17.81

#100F46 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#100F46 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100F46

17.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100F46	#FFFFFF	#000000	##FFFFFF
##100F46	1.00	17.81	1.18	17.81
#FFFFFF	17.81	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001A48

Deuteranopia (green-blind)

#001545

Tritanopia (blue-blind)

#001E29

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #100f46;
/* rgb */ color: rgb(16, 15, 70);
/* oklch */ color: oklch(21.7% 0.099 275.1);

Tailwind

colors: {
  custom: {
    50: '#584d7a',
    500: '#100f46',
    950: '#000000',
  },
}

SCSS

$custom: #100f46;
$custom-light: #584d7a;
$custom-dark: #000000;

JSON

{
  "hex": "#100f46",
  "rgb": {
    "r": 16,
    "g": 15,
    "b": 70
  },
  "hsl": {
    "h": 241.091,
    "s": 64.706,
    "l": 16.667
  },
  "oklch": {
    "l": 0.21654,
    "c": 0.09899,
    "h": 275.1
  },
  "luminance": 0.00894
}

Semantic roles & 50–950 ramp

primary

#100F46

secondary

#7F8030

accent

#E840E5

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#040109

muted

#79777B

Preview Lab

Preview with #100F46

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

Preview Lab → · Contrast checker → · Palette generator →