#100742#100742

#100742 is a very dark, moderate blue. Relative luminance 0.007; OKLCH L 19.8% C 0.103 H 278.6°. Best body text is #FFFFFF at 18.57:1 contrast (WCAG AA passes).

Color values

HEX	#100742
RGB	rgb(16, 7, 66)
HSL	hsl(249, 81%, 14%)
HSV	hsv(249, 89%, 26%)
CMYK	cmyk(75.8%, 89.4%, 0%, 74.1%)
CIE-LAB	lab(5.92, 24.25, -34.83)
CIE-LCH	lch(5.92, 42.44, 304.85°)
OKLab	oklab(19.84% 0.0153 -0.1016)
OKLCH	oklch(19.84% 0.103 278.6)
XYZ	xyz(1.2727, 0.6554, 5.2126)
Luminance	0.0066 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100742 #394207

analogous

#071C42 #100742 #2E0742

triadic

#100742 #421007 #074210

tetradic

#100742 #42071C #394207 #07422E

square

#100742 #42071C #394207 #07422E

split-complementary

#100742 #422E07 #1C4207

monochromatic

#07031C #07031C #100742 #1D0D79 #2B13B1

Accessibility & contrast

On white

18.57

#100742 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#100742 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100742

18.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100742	#FFFFFF	#000000	##FFFFFF
##100742	1.00	18.57	1.13	18.57
#FFFFFF	18.57	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001544

Deuteranopia (green-blind)

#001141

Tritanopia (blue-blind)

#001924

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #100742;
/* rgb */ color: rgb(16, 7, 66);
/* oklch */ color: oklch(19.8% 0.103 278.6);

Tailwind

colors: {
  custom: {
    50: '#574977',
    500: '#100742',
    950: '#000000',
  },
}

SCSS

$custom: #100742;
$custom-light: #574977;
$custom-dark: #000000;

JSON

{
  "hex": "#100742",
  "rgb": {
    "r": 16,
    "g": 7,
    "b": 66
  },
  "hsl": {
    "h": 249.153,
    "s": 80.822,
    "l": 14.314
  },
  "oklch": {
    "l": 0.19837,
    "c": 0.1028,
    "h": 278.6
  },
  "luminance": 0.00655
}

Semantic roles & 50–950 ramp

primary

#100742

secondary

#738124

accent

#F731D9

background

#F5F4F7

surface

#E9E6ED

border

#C5C2C8

text

#040009

muted

#79777B

Preview Lab

Preview with #100742

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

Preview Lab → · Contrast checker → · Palette generator →