#10164A#10164A

#10164A is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 23.5% C 0.096 H 271.7°. Best body text is #FFFFFF at 17.00:1 contrast (WCAG AA passes).

Color values

HEX	#10164A
RGB	rgb(16, 22, 74)
HSL	hsl(234, 64%, 18%)
HSV	hsv(234, 78%, 29%)
CMYK	cmyk(78.4%, 70.3%, 0%, 71%)
CIE-LAB	lab(10.40, 17.91, -33.11)
CIE-LCH	lch(10.40, 37.64, 298.41°)
OKLab	oklab(23.47% 0.0028 -0.0956)
OKLCH	oklch(23.47% 0.096 271.7)
XYZ	xyz(1.7362, 1.1782, 6.6132)
Luminance	0.0118 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10164A #4A4410

analogous

#10334A #10164A #27104A

triadic

#10164A #4A1016 #164A10

tetradic

#10164A #4A1033 #4A4410 #104A27

square

#10164A #4A1033 #4A4410 #104A27

split-complementary

#10164A #4A2710 #334A10

monochromatic

#050719 #050719 #10164A #1B257C #2634AF

Accessibility & contrast

On white

17.00

#10164A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#10164A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10164A

17.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10164A	#FFFFFF	#000000	##FFFFFF
##10164A	1.00	17.00	1.24	17.00
#FFFFFF	17.00	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	17.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001F4C

Deuteranopia (green-blind)

#001A49

Tritanopia (blue-blind)

#00232D

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #10164a;
/* rgb */ color: rgb(16, 22, 74);
/* oklch */ color: oklch(23.5% 0.096 271.7);

Tailwind

colors: {
  custom: {
    50: '#58537d',
    500: '#10164a',
    950: '#000000',
  },
}

SCSS

$custom: #10164a;
$custom-light: #58537d;
$custom-dark: #000000;

JSON

{
  "hex": "#10164a",
  "rgb": {
    "r": 16,
    "g": 22,
    "b": 74
  },
  "hsl": {
    "h": 233.793,
    "s": 64.444,
    "l": 17.647
  },
  "oklch": {
    "l": 0.23471,
    "c": 0.09565,
    "h": 271.7
  },
  "luminance": 0.01178
}

Semantic roles & 50–950 ramp

primary

#10164A

secondary

#847B32

accent

#D640E7

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04020A

muted

#79787C

Preview Lab

Preview with #10164A

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

Preview Lab → · Contrast checker → · Palette generator →