#164BB4#164BB4

#164BB4 is a dark, vivid blue. Relative luminance 0.085; OKLCH L 44.8% C 0.176 H 262.0°. Best body text is #FFFFFF at 7.78:1 contrast (WCAG AA passes).

Color values

HEX	#164BB4
RGB	rgb(22, 75, 180)
HSL	hsl(220, 78%, 40%)
HSV	hsv(220, 88%, 71%)
CMYK	cmyk(87.8%, 58.3%, 0%, 29.4%)
CIE-LAB	lab(35.00, 24.46, -60.19)
CIE-LCH	lch(35.00, 64.97, 292.11°)
OKLab	oklab(44.83% -0.0243 -0.1741)
OKLCH	oklch(44.83% 0.176 262)
XYZ	xyz(11.0822, 8.4966, 44.2271)
Luminance	0.0850 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#164BB4 #B47F16

analogous

#169AB4 #164BB4 #3016B4

triadic

#164BB4 #B4164B #4BB416

tetradic

#164BB4 #B4169A #B47F16 #16B430

square

#164BB4 #B4169A #B47F16 #16B430

split-complementary

#164BB4 #B43016 #9AB416

monochromatic

#091E47 #0F347D #164BB4 #2364E4 #5A8AEB

Accessibility & contrast

On white

7.78

#164BB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#164BB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #164BB4

7.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##164BB4	#FFFFFF	#000000	##FFFFFF
##164BB4	1.00	7.78	2.70	7.78
#FFFFFF	7.78	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AB8

Deuteranopia (green-blind)

#004BB2

Tritanopia (blue-blind)

#006678

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #164bb4;
/* rgb */ color: rgb(22, 75, 180);
/* oklch */ color: oklch(44.8% 0.176 262.0);

Tailwind

colors: {
  custom: {
    50: '#737ccb',
    500: '#164bb4',
    950: '#000000',
  },
}

SCSS

$custom: #164bb4;
$custom-light: #737ccb;
$custom-dark: #000000;

JSON

{
  "hex": "#164bb4",
  "rgb": {
    "r": 22,
    "g": 75,
    "b": 180
  },
  "hsl": {
    "h": 219.873,
    "s": 78.218,
    "l": 39.608
  },
  "oklch": {
    "l": 0.44831,
    "c": 0.17582,
    "h": 262
  },
  "luminance": 0.08498
}

Semantic roles & 50–950 ramp

primary

#164BB4

secondary

#CEA658

accent

#B433F5

background

#F7F7FC

surface

#EEEEF9

border

#C9C9D2

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #164BB4

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

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