#100647#100647

#100647 is a very dark, moderate blue. Relative luminance 0.007; OKLCH L 20.3% C 0.111 H 277.4°. Best body text is #FFFFFF at 18.44:1 contrast (WCAG AA passes).

Color values

HEX	#100647
RGB	rgb(16, 6, 71)
HSL	hsl(249, 84%, 15%)
HSV	hsv(249, 92%, 28%)
CMYK	cmyk(77.5%, 91.5%, 0%, 72.2%)
CIE-LAB	lab(6.28, 26.99, -37.78)
CIE-LCH	lch(6.28, 46.43, 305.55°)
OKLab	oklab(20.33% 0.0142 -0.1098)
OKLCH	oklch(20.33% 0.111 277.4)
XYZ	xyz(1.4158, 0.6952, 6.0196)
Luminance	0.0069 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100647 #3D4706

analogous

#061C47 #100647 #310647

triadic

#100647 #471006 #064710

tetradic

#100647 #47061C #3D4706 #064731

square

#100647 #47061C #3D4706 #064731

split-complementary

#100647 #473106 #1C4706

monochromatic

#06021C #06021C #100647 #1D0B7F #2910B8

Accessibility & contrast

On white

18.44

#100647 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#100647 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100647

18.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100647	#FFFFFF	#000000	##FFFFFF
##100647	1.00	18.44	1.14	18.44
#FFFFFF	18.44	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001649

Deuteranopia (green-blind)

#001146

Tritanopia (blue-blind)

#001A27

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #100647;
/* rgb */ color: rgb(16, 6, 71);
/* oklch */ color: oklch(20.3% 0.111 277.4);

Tailwind

colors: {
  custom: {
    50: '#59487b',
    500: '#100647',
    950: '#000000',
  },
}

SCSS

$custom: #100647;
$custom-light: #59487b;
$custom-dark: #000000;

JSON

{
  "hex": "#100647",
  "rgb": {
    "r": 16,
    "g": 6,
    "b": 71
  },
  "hsl": {
    "h": 249.231,
    "s": 84.416,
    "l": 15.098
  },
  "oklch": {
    "l": 0.2033,
    "c": 0.11075,
    "h": 277.4
  },
  "luminance": 0.00695
}

Semantic roles & 50–950 ramp

primary

#100647

secondary

#778623

accent

#FB2DDB

background

#F5F4F7

surface

#E9E6EE

border

#C5C2C9

text

#040009

muted

#79777B

Preview Lab

Preview with #100647

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

Preview Lab → · Contrast checker → · Palette generator →