#161B51#161B51

#161B51 is a dark, moderate blue. Relative luminance 0.015; OKLCH L 25.6% C 0.098 H 273.3°. Best body text is #FFFFFF at 16.03:1 contrast (WCAG AA passes).

Color values

HEX	#161B51
RGB	rgb(22, 27, 81)
HSL	hsl(235, 57%, 20%)
HSV	hsv(235, 73%, 32%)
CMYK	cmyk(72.8%, 66.7%, 0%, 68.2%)
CIE-LAB	lab(12.91, 18.04, -33.80)
CIE-LCH	lch(12.91, 38.31, 298.09°)
OKLab	oklab(25.64% 0.0056 -0.0974)
OKLCH	oklch(25.64% 0.098 273.3)
XYZ	xyz(2.2075, 1.5483, 7.9655)
Luminance	0.0155 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#161B51 #514C16

analogous

#163951 #161B51 #2E1651

triadic

#161B51 #51161B #1B5116

tetradic

#161B51 #511639 #514C16 #16512E

square

#161B51 #511639 #514C16 #16512E

split-complementary

#161B51 #512E16 #395116

monochromatic

#070818 #090B21 #161B51 #232B81 #303BB1

Accessibility & contrast

On white

16.03

#161B51 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#161B51 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #161B51

16.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##161B51	#FFFFFF	#000000	##FFFFFF
##161B51	1.00	16.03	1.31	16.03
#FFFFFF	16.03	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002453

Deuteranopia (green-blind)

#001F50

Tritanopia (blue-blind)

#002933

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #161b51;
/* rgb */ color: rgb(22, 27, 81);
/* oklch */ color: oklch(25.6% 0.098 273.3);

Tailwind

colors: {
  custom: {
    50: '#5c5782',
    500: '#161b51',
    950: '#000000',
  },
}

SCSS

$custom: #161b51;
$custom-light: #5c5782;
$custom-dark: #000000;

JSON

{
  "hex": "#161b51",
  "rgb": {
    "r": 22,
    "g": 27,
    "b": 81
  },
  "hsl": {
    "h": 234.915,
    "s": 57.282,
    "l": 20.196
  },
  "oklch": {
    "l": 0.25643,
    "c": 0.09758,
    "h": 273.3
  },
  "luminance": 0.01549
}

Semantic roles & 50–950 ramp

primary

#161B51

secondary

#88823A

accent

#D447E1

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#04030A

muted

#79787C

Preview Lab

Preview with #161B51

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

Preview Lab → · Contrast checker → · Palette generator →