#10164D#10164D

#10164D is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 23.8% C 0.100 H 271.5°. Best body text is #FFFFFF at 16.88:1 contrast (WCAG AA passes).

Color values

HEX	#10164D
RGB	rgb(16, 22, 77)
HSL	hsl(234, 66%, 18%)
HSV	hsv(234, 79%, 30%)
CMYK	cmyk(79.2%, 71.4%, 0%, 69.8%)
CIE-LAB	lab(10.70, 19.16, -34.68)
CIE-LCH	lch(10.70, 39.62, 298.91°)
OKLab	oklab(23.79% 0.0026 -0.1002)
OKLCH	oklch(23.79% 0.1 271.5)
XYZ	xyz(1.8397, 1.2196, 7.1582)
Luminance	0.0122 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10164D #4D4710

analogous

#10344D #10164D #28104D

triadic

#10164D #4D1016 #164D10

tetradic

#10164D #4D1034 #4D4710 #104D28

square

#10164D #4D1034 #4D4710 #104D28

split-complementary

#10164D #4D2810 #344D10

monochromatic

#050719 #05081A #10164D #1B2480 #2533B2

Accessibility & contrast

On white

16.88

#10164D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#10164D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10164D

16.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10164D	#FFFFFF	#000000	##FFFFFF
##10164D	1.00	16.88	1.24	16.88
#FFFFFF	16.88	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00204F

Deuteranopia (green-blind)

#001A4C

Tritanopia (blue-blind)

#00242F

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #10164d;
/* rgb */ color: rgb(16, 22, 77);
/* oklch */ color: oklch(23.8% 0.100 271.5);

Tailwind

colors: {
  custom: {
    50: '#59537f',
    500: '#10164d',
    950: '#000000',
  },
}

SCSS

$custom: #10164d;
$custom-light: #59537f;
$custom-dark: #000000;

JSON

{
  "hex": "#10164d",
  "rgb": {
    "r": 16,
    "g": 22,
    "b": 77
  },
  "hsl": {
    "h": 234.098,
    "s": 65.591,
    "l": 18.235
  },
  "oklch": {
    "l": 0.23789,
    "c": 0.10026,
    "h": 271.5
  },
  "luminance": 0.0122
}

Semantic roles & 50–950 ramp

primary

#10164D

secondary

#877E32

accent

#D83FE9

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04020A

muted

#79787C

Preview Lab

Preview with #10164D

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

Preview Lab → · Contrast checker → · Palette generator →