#164CB3#164CB3

#164CB3 is a dark, vivid blue. Relative luminance 0.086; OKLCH L 45.0% C 0.173 H 261.7°. Best body text is #FFFFFF at 7.72:1 contrast (WCAG AA passes).

Color values

HEX	#164CB3
RGB	rgb(22, 76, 179)
HSL	hsl(219, 78%, 39%)
HSV	hsv(219, 88%, 70%)
CMYK	cmyk(87.7%, 57.5%, 0%, 29.8%)
CIE-LAB	lab(35.19, 23.39, -59.29)
CIE-LCH	lch(35.19, 63.73, 291.53°)
OKLab	oklab(44.95% -0.025 -0.1715)
OKLCH	oklch(44.95% 0.173 261.7)
XYZ	xyz(11.0491, 8.5927, 43.7153)
Luminance	0.0859 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#164CB3 #B37D16

analogous

#169BB3 #164CB3 #2F16B3

triadic

#164CB3 #B3164C #4CB316

tetradic

#164CB3 #B3169B #B37D16 #16B32F

square

#164CB3 #B3169B #B37D16 #16B32F

split-complementary

#164CB3 #B32F16 #9BB316

monochromatic

#091E46 #0F357C #164CB3 #2265E4 #598BEB

Accessibility & contrast

On white

7.72

#164CB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#164CB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #164CB3

7.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##164CB3	#FFFFFF	#000000	##FFFFFF
##164CB3	1.00	7.72	2.72	7.72
#FFFFFF	7.72	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AB7

Deuteranopia (green-blind)

#004CB1

Tritanopia (blue-blind)

#006678

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #164cb3;
/* rgb */ color: rgb(22, 76, 179);
/* oklch */ color: oklch(45.0% 0.173 261.7);

Tailwind

colors: {
  custom: {
    50: '#737dcb',
    500: '#164cb3',
    950: '#000000',
  },
}

SCSS

$custom: #164cb3;
$custom-light: #737dcb;
$custom-dark: #000000;

JSON

{
  "hex": "#164cb3",
  "rgb": {
    "r": 22,
    "g": 76,
    "b": 179
  },
  "hsl": {
    "h": 219.363,
    "s": 78.109,
    "l": 39.412
  },
  "oklch": {
    "l": 0.4495,
    "c": 0.17327,
    "h": 261.7
  },
  "luminance": 0.08594
}

Semantic roles & 50–950 ramp

primary

#164CB3

secondary

#CEA557

accent

#B233F5

background

#F7F7FC

surface

#EEEEF9

border

#C9C9D2

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #164CB3

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

Preview Lab → · Contrast checker → · Palette generator →