#164B81#164B81

#164B81 is a dark, moderate cyan. Relative luminance 0.068; OKLCH L 40.8% C 0.106 H 252.5°. Best body text is #FFFFFF at 8.91:1 contrast (WCAG AA passes).

Color values

HEX	#164B81
RGB	rgb(22, 75, 129)
HSL	hsl(210, 71%, 30%)
HSV	hsv(210, 83%, 51%)
CMYK	cmyk(82.9%, 41.9%, 0%, 49.4%)
CIE-LAB	lab(31.32, 3.70, -35.27)
CIE-LCH	lch(31.32, 35.46, 275.98°)
OKLab	oklab(40.85% -0.0319 -0.1008)
OKLCH	oklch(40.85% 0.106 252.5)
XYZ	xyz(6.8079, 6.7869, 21.7158)
Luminance	0.0679 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#164B81 #814C16

analogous

#168181 #164B81 #161681

triadic

#164B81 #81164B #4B8116

tetradic

#164B81 #811681 #814C16 #168116

square

#164B81 #811681 #814C16 #168116

split-complementary

#164B81 #811616 #818116

monochromatic

#040F1A #0D2D4D #164B81 #1F69B5 #3588DD

Accessibility & contrast

On white

8.91

#164B81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#164B81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #164B81

8.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##164B81	#FFFFFF	#000000	##FFFFFF
##164B81	1.00	8.91	2.36	8.91
#FFFFFF	8.91	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#314F83

Deuteranopia (green-blind)

#1F4580

Tritanopia (blue-blind)

#00585F

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #164b81;
/* rgb */ color: rgb(22, 75, 129);
/* oklch */ color: oklch(40.8% 0.106 252.5);

Tailwind

colors: {
  custom: {
    50: '#667ca6',
    500: '#164b81',
    950: '#000000',
  },
}

SCSS

$custom: #164b81;
$custom-light: #667ca6;
$custom-dark: #000000;

JSON

{
  "hex": "#164b81",
  "rgb": {
    "r": 22,
    "g": 75,
    "b": 129
  },
  "hsl": {
    "h": 210.28,
    "s": 70.861,
    "l": 29.608
  },
  "oklch": {
    "l": 0.40845,
    "c": 0.10577,
    "h": 252.5
  },
  "luminance": 0.06788
}

Semantic roles & 50–950 ramp

primary

#164B81

secondary

#B67A3D

accent

#953AEE

background

#F6F7FA

surface

#EBEEF4

border

#C6C9CE

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #164B81

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

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