#161F3F#161F3F

#161F3F is a very dark, moderate blue. Relative luminance 0.015; OKLCH L 25.0% C 0.062 H 269.7°. Best body text is #FFFFFF at 16.13:1 contrast (WCAG AA passes).

Color values

HEX	#161F3F
RGB	rgb(22, 31, 63)
HSL	hsl(227, 48%, 17%)
HSV	hsv(227, 65%, 25%)
CMYK	cmyk(65.1%, 50.8%, 0%, 75.3%)
CIE-LAB	lab(12.67, 7.65, -21.73)
CIE-LCH	lch(12.67, 23.03, 289.40°)
OKLab	oklab(24.99% -0.0003 -0.0619)
OKLCH	oklch(24.99% 0.062 269.7)
XYZ	xyz(1.7178, 1.5093, 4.9025)
Luminance	0.0151 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#161F3F #3F3616

analogous

#16343F #161F3F #22163F

triadic

#161F3F #3F161F #1F3F16

tetradic

#161F3F #3F1634 #3F3616 #163F22

square

#161F3F #3F1634 #3F3616 #163F22

split-complementary

#161F3F #3F2216 #343F16

monochromatic

#080B17 #080B17 #161F3F #26356C #364C9A

Accessibility & contrast

On white

16.13

#161F3F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#161F3F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #161F3F

16.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##161F3F	#FFFFFF	#000000	##FFFFFF
##161F3F	1.00	16.13	1.30	16.13
#FFFFFF	16.13	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#112340

Deuteranopia (green-blind)

#0B1F3E

Tritanopia (blue-blind)

#00262B

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #161f3f;
/* rgb */ color: rgb(22, 31, 63);
/* oklch */ color: oklch(25.0% 0.062 269.7);

Tailwind

colors: {
  custom: {
    50: '#575a74',
    500: '#161f3f',
    950: '#000000',
  },
}

SCSS

$custom: #161f3f;
$custom-light: #575a74;
$custom-dark: #000000;

JSON

{
  "hex": "#161f3f",
  "rgb": {
    "r": 22,
    "g": 31,
    "b": 63
  },
  "hsl": {
    "h": 226.829,
    "s": 48.235,
    "l": 16.667
  },
  "oklch": {
    "l": 0.2499,
    "c": 0.06187,
    "h": 269.7
  },
  "luminance": 0.01509
}

Semantic roles & 50–950 ramp

primary

#161F3F

secondary

#76693B

accent

#BA50D8

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#030308

muted

#78787B

Preview Lab

Preview with #161F3F

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

Preview Lab → · Contrast checker → · Palette generator →