#10164E#10164E

#10164E is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 23.9% C 0.102 H 271.4°. Best body text is #FFFFFF at 16.84:1 contrast (WCAG AA passes).

Color values

HEX	#10164E
RGB	rgb(16, 22, 78)
HSL	hsl(234, 66%, 18%)
HSV	hsv(234, 79%, 31%)
CMYK	cmyk(79.5%, 71.8%, 0%, 69.4%)
CIE-LAB	lab(10.80, 19.57, -35.20)
CIE-LCH	lch(10.80, 40.28, 299.07°)
OKLab	oklab(23.9% 0.0025 -0.1017)
OKLCH	oklch(23.9% 0.102 271.4)
XYZ	xyz(1.8753, 1.2338, 7.3456)
Luminance	0.0123 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10164E #4E4810

analogous

#10354E #10164E #29104E

triadic

#10164E #4E1016 #164E10

tetradic

#10164E #4E1035 #4E4810 #104E29

square

#10164E #4E1035 #4E4810 #104E29

split-complementary

#10164E #4E2910 #354E10

monochromatic

#050719 #06081B #10164E #1A2481 #2533B4

Accessibility & contrast

On white

16.84

#10164E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#10164E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10164E

16.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10164E	#FFFFFF	#000000	##FFFFFF
##10164E	1.00	16.84	1.25	16.84
#FFFFFF	16.84	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002050

Deuteranopia (green-blind)

#001A4D

Tritanopia (blue-blind)

#00252F

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #10164e;
/* rgb */ color: rgb(16, 22, 78);
/* oklch */ color: oklch(23.9% 0.102 271.4);

Tailwind

colors: {
  custom: {
    50: '#595380',
    500: '#10164e',
    950: '#000000',
  },
}

SCSS

$custom: #10164e;
$custom-light: #595380;
$custom-dark: #000000;

JSON

{
  "hex": "#10164e",
  "rgb": {
    "r": 16,
    "g": 22,
    "b": 78
  },
  "hsl": {
    "h": 234.194,
    "s": 65.957,
    "l": 18.431
  },
  "oklch": {
    "l": 0.23896,
    "c": 0.10178,
    "h": 271.4
  },
  "luminance": 0.01234
}

Semantic roles & 50–950 ramp

primary

#10164E

secondary

#887F32

accent

#D83FE9

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04020A

muted

#79787C

Preview Lab

Preview with #10164E

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

Preview Lab → · Contrast checker → · Palette generator →