#155B76#155B76

#155B76 is a dark, moderate cyan. Relative luminance 0.089; OKLCH L 44.3% C 0.079 H 229.2°. Best body text is #FFFFFF at 7.53:1 contrast (WCAG AA passes).

Color values

HEX	#155B76
RGB	rgb(21, 91, 118)
HSL	hsl(197, 70%, 27%)
HSV	hsv(197, 82%, 46%)
CMYK	cmyk(82.2%, 22.9%, 0%, 53.7%)
CIE-LAB	lab(35.89, -10.92, -21.27)
CIE-LCH	lch(35.89, 23.91, 242.82°)
OKLab	oklab(44.26% -0.0516 -0.0598)
OKLCH	oklch(44.26% 0.079 229.2)
XYZ	xyz(7.3190, 8.9487, 18.4776)
Luminance	0.0895 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155B76 #763015

analogous

#157661 #155B76 #152B76

triadic

#155B76 #76155B #5B7615

tetradic

#155B76 #611576 #763015 #2B7615

square

#155B76 #611576 #763015 #2B7615

split-complementary

#155B76 #76152B #766115

monochromatic

#05141A #0C3342 #155B76 #1E83AA #2CA9D9

Accessibility & contrast

On white

7.53

#155B76 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#155B76 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155B76

7.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155B76	#FFFFFF	#000000	##FFFFFF
##155B76	1.00	7.53	2.79	7.53
#FFFFFF	7.53	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D5A77

Deuteranopia (green-blind)

#405076

Tritanopia (blue-blind)

#006364

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #155b76;
/* rgb */ color: rgb(21, 91, 118);
/* oklch */ color: oklch(44.3% 0.079 229.2);

Tailwind

colors: {
  custom: {
    50: '#64899d',
    500: '#155b76',
    950: '#000000',
  },
}

SCSS

$custom: #155b76;
$custom-light: #64899d;
$custom-dark: #000000;

JSON

{
  "hex": "#155b76",
  "rgb": {
    "r": 21,
    "g": 91,
    "b": 118
  },
  "hsl": {
    "h": 196.701,
    "s": 69.784,
    "l": 27.255
  },
  "oklch": {
    "l": 0.44259,
    "c": 0.07903,
    "h": 229.2
  },
  "luminance": 0.0895
}

Semantic roles & 50–950 ramp

primary

#155B76

secondary

#AC5A3B

accent

#6D3BED

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#060B0E

muted

#7A7C7E

Preview Lab

Preview with #155B76

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

Preview Lab → · Contrast checker → · Palette generator →