#163A77#163A77

#163A77 is a dark, moderate blue. Relative luminance 0.045; OKLCH L 36.0% C 0.113 H 260.3°. Best body text is #FFFFFF at 11.02:1 contrast (WCAG AA passes).

Color values

HEX	#163A77
RGB	rgb(22, 58, 119)
HSL	hsl(218, 69%, 28%)
HSV	hsv(218, 82%, 47%)
CMYK	cmyk(81.5%, 51.3%, 0%, 53.3%)
CIE-LAB	lab(25.35, 11.26, -38.58)
CIE-LCH	lch(25.35, 40.19, 286.28°)
OKLab	oklab(36.01% -0.019 -0.1109)
OKLCH	oklch(36.01% 0.113 260.3)
XYZ	xyz(5.1725, 4.5280, 18.0506)
Luminance	0.0453 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163A77 #775316

analogous

#166A77 #163A77 #231677

triadic

#163A77 #77163A #3A7716

tetradic

#163A77 #77166A #775316 #167723

square

#163A77 #77166A #775316 #167723

split-complementary

#163A77 #772316 #6A7716

monochromatic

#050D1A #0C2143 #163A77 #2053AB #2F6ED9

Accessibility & contrast

On white

11.02

#163A77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#163A77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163A77

11.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163A77	#FFFFFF	#000000	##FFFFFF
##163A77	1.00	11.02	1.91	11.02
#FFFFFF	11.02	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#164179

Deuteranopia (green-blind)

#003876

Tritanopia (blue-blind)

#004952

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #163a77;
/* rgb */ color: rgb(22, 58, 119);
/* oklch */ color: oklch(36.0% 0.113 260.3);

Tailwind

colors: {
  custom: {
    50: '#646f9f',
    500: '#163a77',
    950: '#000000',
  },
}

SCSS

$custom: #163a77;
$custom-light: #646f9f;
$custom-dark: #000000;

JSON

{
  "hex": "#163a77",
  "rgb": {
    "r": 22,
    "g": 58,
    "b": 119
  },
  "hsl": {
    "h": 217.732,
    "s": 68.794,
    "l": 27.647
  },
  "oklch": {
    "l": 0.36009,
    "c": 0.11256,
    "h": 260.3
  },
  "luminance": 0.04529
}

Semantic roles & 50–950 ramp

primary

#163A77

secondary

#AC833C

accent

#AB3CEC

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #163A77

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

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