#163B4F#163B4F

#163B4F is a dark, muted cyan. Relative luminance 0.039; OKLCH L 33.5% C 0.055 H 235.4°. Best body text is #FFFFFF at 11.85:1 contrast (WCAG AA passes).

Color values

HEX	#163B4F
RGB	rgb(22, 59, 79)
HSL	hsl(201, 56%, 20%)
HSV	hsv(201, 72%, 31%)
CMYK	cmyk(72.2%, 25.3%, 0%, 69%)
CIE-LAB	lab(23.21, -5.81, -16.04)
CIE-LCH	lch(23.21, 17.06, 250.09°)
OKLab	oklab(33.55% -0.0311 -0.045)
OKLCH	oklch(33.55% 0.055 235.4)
XYZ	xyz(3.3056, 3.8627, 7.9670)
Luminance	0.0386 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163B4F #4F2A16

analogous

#164F47 #163B4F #161E4F

triadic

#163B4F #4F163B #3B4F16

tetradic

#163B4F #47164F #4F2A16 #1E4F16

square

#163B4F #47164F #4F2A16 #1E4F16

split-complementary

#163B4F #4F161E #4F4716

monochromatic

#071218 #09171F #163B4F #235F7F #3183AF

Accessibility & contrast

On white

11.85

#163B4F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#163B4F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163B4F

11.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163B4F	#FFFFFF	#000000	##FFFFFF
##163B4F	1.00	11.85	1.77	11.85
#FFFFFF	11.85	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#313B50

Deuteranopia (green-blind)

#2A354F

Tritanopia (blue-blind)

#004042

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #163b4f;
/* rgb */ color: rgb(22, 59, 79);
/* oklch */ color: oklch(33.5% 0.055 235.4);

Tailwind

colors: {
  custom: {
    50: '#5b7080',
    500: '#163b4f',
    950: '#000000',
  },
}

SCSS

$custom: #163b4f;
$custom-light: #5b7080;
$custom-dark: #000000;

JSON

{
  "hex": "#163b4f",
  "rgb": {
    "r": 22,
    "g": 59,
    "b": 79
  },
  "hsl": {
    "h": 201.053,
    "s": 56.436,
    "l": 19.804
  },
  "oklch": {
    "l": 0.33546,
    "c": 0.05473,
    "h": 235.4
  },
  "luminance": 0.03863
}

Semantic roles & 50–950 ramp

primary

#163B4F

secondary

#86553A

accent

#7D48E0

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#04070A

muted

#797A7C

Preview Lab

Preview with #163B4F

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

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