#16303B#16303B

#16303B is a dark, muted cyan. Relative luminance 0.026; OKLCH L 29.4% C 0.038 H 227.7°. Best body text is #FFFFFF at 13.82:1 contrast (WCAG AA passes).

Color values

HEX	#16303B
RGB	rgb(22, 48, 59)
HSL	hsl(198, 46%, 16%)
HSV	hsv(198, 63%, 23%)
CMYK	cmyk(62.7%, 18.6%, 0%, 76.9%)
CIE-LAB	lab(18.37, -6.13, -10.02)
CIE-LCH	lch(18.37, 11.75, 238.53°)
OKLab	oklab(29.37% -0.0254 -0.0278)
OKLCH	oklch(29.37% 0.038 227.7)
XYZ	xyz(2.1769, 2.6001, 4.5240)
Luminance	0.0260 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#16303B #3B2116

analogous

#163B33 #16303B #161D3B

triadic

#16303B #3B1630 #303B16

tetradic

#16303B #33163B #3B2116 #1D3B16

square

#16303B #33163B #3B2116 #1D3B16

split-complementary

#16303B #3B161D #3B3316

monochromatic

#081216 #081216 #16303B #275468 #377994

Accessibility & contrast

On white

13.82

#16303B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#16303B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #16303B

13.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##16303B	#FFFFFF	#000000	##FFFFFF
##16303B	1.00	13.82	1.52	13.82
#FFFFFF	13.82	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A2F3C

Deuteranopia (green-blind)

#252B3B

Tritanopia (blue-blind)

#003334

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #16303b;
/* rgb */ color: rgb(22, 48, 59);
/* oklch */ color: oklch(29.4% 0.038 227.7);

Tailwind

colors: {
  custom: {
    50: '#576871',
    500: '#16303b',
    950: '#000000',
  },
}

SCSS

$custom: #16303b;
$custom-light: #576871;
$custom-dark: #000000;

JSON

{
  "hex": "#16303b",
  "rgb": {
    "r": 22,
    "g": 48,
    "b": 59
  },
  "hsl": {
    "h": 197.838,
    "s": 45.679,
    "l": 15.882
  },
  "oklch": {
    "l": 0.29374,
    "c": 0.03767,
    "h": 227.7
  },
  "luminance": 0.026
}

Semantic roles & 50–950 ramp

primary

#16303B

secondary

#724B3B

accent

#7952D5

background

#F5F6F6

surface

#E9EBEC

border

#C5C6C7

text

#030607

muted

#787A7A

Preview Lab

Preview with #16303B

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

Preview Lab → · Contrast checker → · Palette generator →