#10164F#10164F

#10164F is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 24.0% C 0.103 H 271.3°. Best body text is #FFFFFF at 16.81:1 contrast (WCAG AA passes).

Color values

HEX	#10164F
RGB	rgb(16, 22, 79)
HSL	hsl(234, 66%, 19%)
HSV	hsv(234, 80%, 31%)
CMYK	cmyk(79.7%, 72.2%, 0%, 69%)
CIE-LAB	lab(10.91, 19.98, -35.72)
CIE-LCH	lch(10.91, 40.93, 299.22°)
OKLab	oklab(24% 0.0024 -0.1033)
OKLCH	oklch(24% 0.103 271.3)
XYZ	xyz(1.9114, 1.2483, 7.5358)
Luminance	0.0125 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.49

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10164F #4F4910

analogous

#10354F #10164F #29104F

triadic

#10164F #4F1016 #164F10

tetradic

#10164F #4F1035 #4F4910 #104F29

square

#10164F #4F1035 #4F4910 #104F29

split-complementary

#10164F #4F2910 #354F10

monochromatic

#050719 #06081C #10164F #1A2482 #2532B5

Accessibility & contrast

On white

16.81

#10164F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#10164F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10164F

16.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10164F	#FFFFFF	#000000	##FFFFFF
##10164F	1.00	16.81	1.25	16.81
#FFFFFF	16.81	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002051

Deuteranopia (green-blind)

#001A4E

Tritanopia (blue-blind)

#002530

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #10164f;
/* rgb */ color: rgb(16, 22, 79);
/* oklch */ color: oklch(24.0% 0.103 271.3);

Tailwind

colors: {
  custom: {
    50: '#5a5381',
    500: '#10164f',
    950: '#000000',
  },
}

SCSS

$custom: #10164f;
$custom-light: #5a5381;
$custom-dark: #000000;

JSON

{
  "hex": "#10164f",
  "rgb": {
    "r": 16,
    "g": 22,
    "b": 79
  },
  "hsl": {
    "h": 234.286,
    "s": 66.316,
    "l": 18.627
  },
  "oklch": {
    "l": 0.24004,
    "c": 0.10329,
    "h": 271.3
  },
  "luminance": 0.01248
}

Semantic roles & 50–950 ramp

primary

#10164F

secondary

#898032

accent

#D93FE9

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04020A

muted

#79787C

Preview Lab

Preview with #10164F

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

Preview Lab → · Contrast checker → · Palette generator →