#16173B#16173B

#16173B is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 22.7% C 0.068 H 278.3°. Best body text is #FFFFFF at 17.22:1 contrast (WCAG AA passes).

Color values

HEX	#16173B
RGB	rgb(22, 23, 59)
HSL	hsl(238, 46%, 16%)
HSV	hsv(238, 63%, 23%)
CMYK	cmyk(62.7%, 61%, 0%, 76.9%)
CIE-LAB	lab(9.79, 12.17, -23.50)
CIE-LCH	lch(9.79, 26.47, 297.37°)
OKLab	oklab(22.71% 0.0098 -0.0672)
OKLCH	oklch(22.71% 0.068 278.3)
XYZ	xyz(1.4264, 1.0990, 4.2738)
Luminance	0.0110 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#16173B #3B3A16

analogous

#16293B #16173B #27163B

triadic

#16173B #3B1617 #173B16

tetradic

#16173B #3B1629 #3B3A16 #163B27

square

#16173B #3B1629 #3B3A16 #163B27

split-complementary

#16173B #3B2716 #293B16

monochromatic

#080916 #080916 #16173B #272868 #373A94

Accessibility & contrast

On white

17.22

#16173B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#16173B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #16173B

17.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##16173B	#FFFFFF	#000000	##FFFFFF
##16173B	1.00	17.22	1.22	17.22
#FFFFFF	17.22	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#041D3C

Deuteranopia (green-blind)

#011A3A

Tritanopia (blue-blind)

#051F26

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #16173b;
/* rgb */ color: rgb(22, 23, 59);
/* oklch */ color: oklch(22.7% 0.068 278.3);

Tailwind

colors: {
  custom: {
    50: '#575371',
    500: '#16173b',
    950: '#000000',
  },
}

SCSS

$custom: #16173b;
$custom-light: #575371;
$custom-dark: #000000;

JSON

{
  "hex": "#16173b",
  "rgb": {
    "r": 22,
    "g": 23,
    "b": 59
  },
  "hsl": {
    "h": 238.378,
    "s": 45.679,
    "l": 15.882
  },
  "oklch": {
    "l": 0.22714,
    "c": 0.06791,
    "h": 278.3
  },
  "luminance": 0.01099
}

Semantic roles & 50–950 ramp

primary

#16173B

secondary

#72713B

accent

#D252D5

background

#F5F4F6

surface

#E9E7EC

border

#C5C3C7

text

#030207

muted

#78787A

Preview Lab

Preview with #16173B

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

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