#166E90#166E90

#166E90 is a mid, moderate cyan. Relative luminance 0.133; OKLCH L 50.6% C 0.094 H 230.1°. Best body text is #FFFFFF at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#166E90
RGB	rgb(22, 110, 144)
HSL	hsl(197, 73%, 33%)
HSV	hsv(197, 85%, 56%)
CMYK	cmyk(84.7%, 23.6%, 0%, 43.5%)
CIE-LAB	lab(43.26, -12.24, -25.57)
CIE-LCH	lch(43.26, 28.35, 244.43°)
OKLab	oklab(50.56% -0.0602 -0.072)
OKLCH	oklch(50.56% 0.094 230.1)
XYZ	xyz(10.9388, 13.3347, 28.3775)
Luminance	0.1334 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#166E90 #903816

analogous

#169075 #166E90 #163190

triadic

#166E90 #90166E #6E9016

tetradic

#166E90 #751690 #903816 #319016

square

#166E90 #751690 #903816 #319016

split-complementary

#166E90 #901631 #907516

monochromatic

#061D26 #0E455B #166E90 #1E97C5 #3FB4E2

Accessibility & contrast

On white

5.73

#166E90 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#166E90 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #166E90

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##166E90	#FFFFFF	#000000	##FFFFFF
##166E90	1.00	5.73	3.67	5.73
#FFFFFF	5.73	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C6C92

Deuteranopia (green-blind)

#4D6190

Tritanopia (blue-blind)

#007779

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #166e90;
/* rgb */ color: rgb(22, 110, 144);
/* oklch */ color: oklch(50.6% 0.094 230.1);

Tailwind

colors: {
  custom: {
    50: '#6b97b0',
    500: '#166e90',
    950: '#000000',
  },
}

SCSS

$custom: #166e90;
$custom-light: #6b97b0;
$custom-dark: #000000;

JSON

{
  "hex": "#166e90",
  "rgb": {
    "r": 22,
    "g": 110,
    "b": 144
  },
  "hsl": {
    "h": 196.721,
    "s": 73.494,
    "l": 32.549
  },
  "oklch": {
    "l": 0.50555,
    "c": 0.0939,
    "h": 230.1
  },
  "luminance": 0.13336
}

Semantic roles & 50–950 ramp

primary

#166E90

secondary

#C26440

accent

#6B38F0

background

#F6F9FA

surface

#ECF2F5

border

#C7CCCF

text

#080D10

muted

#7A7E7F

Preview Lab

Preview with #166E90

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

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