#16183F#16183F

#16183F is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 23.3% C 0.073 H 276.9°. Best body text is #FFFFFF at 16.98:1 contrast (WCAG AA passes).

Color values

HEX	#16183F
RGB	rgb(22, 24, 63)
HSL	hsl(237, 48%, 17%)
HSV	hsv(237, 65%, 25%)
CMYK	cmyk(65.1%, 61.9%, 0%, 75.3%)
CIE-LAB	lab(10.43, 13.00, -25.32)
CIE-LCH	lch(10.43, 28.46, 297.18°)
OKLab	oklab(23.3% 0.0088 -0.0725)
OKLCH	oklch(23.3% 0.073 276.9)
XYZ	xyz(1.5544, 1.1826, 4.8480)
Luminance	0.0118 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#16183F #3F3D16

analogous

#162D3F #16183F #29163F

triadic

#16183F #3F1618 #183F16

tetradic

#16183F #3F162D #3F3D16 #163F29

square

#16183F #3F162D #3F3D16 #163F29

split-complementary

#16183F #3F2916 #2D3F16

monochromatic

#080917 #080917 #16183F #26296C #363B9A

Accessibility & contrast

On white

16.98

#16183F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#16183F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #16183F

16.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##16183F	#FFFFFF	#000000	##FFFFFF
##16183F	1.00	16.98	1.24	16.98
#FFFFFF	16.98	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#021E40

Deuteranopia (green-blind)

#001B3E

Tritanopia (blue-blind)

#022128

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #16183f;
/* rgb */ color: rgb(22, 24, 63);
/* oklch */ color: oklch(23.3% 0.073 276.9);

Tailwind

colors: {
  custom: {
    50: '#585474',
    500: '#16183f',
    950: '#000000',
  },
}

SCSS

$custom: #16183f;
$custom-light: #585474;
$custom-dark: #000000;

JSON

{
  "hex": "#16183f",
  "rgb": {
    "r": 22,
    "g": 24,
    "b": 63
  },
  "hsl": {
    "h": 237.073,
    "s": 48.235,
    "l": 16.667
  },
  "oklch": {
    "l": 0.23296,
    "c": 0.07306,
    "h": 276.9
  },
  "luminance": 0.01183
}

Semantic roles & 50–950 ramp

primary

#16183F

secondary

#76733B

accent

#D150D8

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030208

muted

#78787B

Preview Lab

Preview with #16183F

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

Preview Lab → · Contrast checker → · Palette generator →