#155681#155681

#155681 is a dark, moderate cyan. Relative luminance 0.084; OKLCH L 43.6% C 0.095 H 243.2°. Best body text is #FFFFFF at 7.84:1 contrast (WCAG AA passes).

Color values

HEX	#155681
RGB	rgb(21, 86, 129)
HSL	hsl(204, 72%, 29%)
HSV	hsv(204, 84%, 51%)
CMYK	cmyk(83.7%, 33.3%, 0%, 49.4%)
CIE-LAB	lab(34.80, -3.58, -29.75)
CIE-LCH	lch(34.80, 29.96, 263.14°)
OKLab	oklab(43.58% -0.0427 -0.0845)
OKLCH	oklch(43.58% 0.095 243.2)
XYZ	xyz(7.5979, 8.3990, 21.9854)
Luminance	0.0840 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155681 #814015

analogous

#158176 #155681 #152081

triadic

#155681 #811556 #568115

tetradic

#155681 #761581 #814015 #208115

square

#155681 #761581 #814015 #208115

split-complementary

#155681 #811520 #817615

monochromatic

#04121A #0C334C #155681 #1E79B6 #339ADE

Accessibility & contrast

On white

7.84

#155681 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#155681 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155681

7.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155681	#FFFFFF	#000000	##FFFFFF
##155681	1.00	7.84	2.68	7.84
#FFFFFF	7.84	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#425783

Deuteranopia (green-blind)

#334D80

Tritanopia (blue-blind)

#006165

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #155681;
/* rgb */ color: rgb(21, 86, 129);
/* oklch */ color: oklch(43.6% 0.095 243.2);

Tailwind

colors: {
  custom: {
    50: '#6685a6',
    500: '#155681',
    950: '#000000',
  },
}

SCSS

$custom: #155681;
$custom-light: #6685a6;
$custom-dark: #000000;

JSON

{
  "hex": "#155681",
  "rgb": {
    "r": 21,
    "g": 86,
    "b": 129
  },
  "hsl": {
    "h": 203.889,
    "s": 72,
    "l": 29.412
  },
  "oklch": {
    "l": 0.43576,
    "c": 0.09464,
    "h": 243.2
  },
  "luminance": 0.084
}

Semantic roles & 50–950 ramp

primary

#155681

secondary

#B66C3C

accent

#8139EF

background

#F6F8FA

surface

#EBEFF4

border

#C6CACE

text

#070B0F

muted

#7A7C7F

Preview Lab

Preview with #155681

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

Preview Lab → · Contrast checker → · Palette generator →