#155181#155181

#155181 is a dark, moderate cyan. Relative luminance 0.076; OKLCH L 42.3% C 0.099 H 247.6°. Best body text is #FFFFFF at 8.31:1 contrast (WCAG AA passes).

Color values

HEX	#155181
RGB	rgb(21, 81, 129)
HSL	hsl(207, 72%, 29%)
HSV	hsv(207, 84%, 51%)
CMYK	cmyk(83.7%, 37.2%, 0%, 49.4%)
CIE-LAB	lab(33.20, -0.37, -32.28)
CIE-LCH	lch(33.20, 32.28, 269.34°)
OKLab	oklab(42.31% -0.0379 -0.092)
OKLCH	oklch(42.31% 0.099 247.6)
XYZ	xyz(7.2126, 7.6284, 21.8569)
Luminance	0.0763 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155181 #814515

analogous

#15817B #155181 #151B81

triadic

#155181 #811551 #518115

tetradic

#155181 #7B1581 #814515 #1B8115

square

#155181 #7B1581 #814515 #1B8115

split-complementary

#155181 #81151B #817B15

monochromatic

#04111A #0C304C #155181 #1E72B6 #3392DE

Accessibility & contrast

On white

8.31

#155181 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#155181 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155181

8.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155181	#FFFFFF	#000000	##FFFFFF
##155181	1.00	8.31	2.53	8.31
#FFFFFF	8.31	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A5383

Deuteranopia (green-blind)

#2A4A80

Tritanopia (blue-blind)

#005D63

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #155181;
/* rgb */ color: rgb(21, 81, 129);
/* oklch */ color: oklch(42.3% 0.099 247.6);

Tailwind

colors: {
  custom: {
    50: '#6681a6',
    500: '#155181',
    950: '#000000',
  },
}

SCSS

$custom: #155181;
$custom-light: #6681a6;
$custom-dark: #000000;

JSON

{
  "hex": "#155181",
  "rgb": {
    "r": 21,
    "g": 81,
    "b": 129
  },
  "hsl": {
    "h": 206.667,
    "s": 72,
    "l": 29.412
  },
  "oklch": {
    "l": 0.42311,
    "c": 0.09949,
    "h": 247.6
  },
  "luminance": 0.07629
}

Semantic roles & 50–950 ramp

primary

#155181

secondary

#B6723C

accent

#8A39EF

background

#F6F7FA

surface

#EBEEF4

border

#C6C9CE

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #155181

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

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