#155D78#155D78

#155D78 is a dark, moderate cyan. Relative luminance 0.093; OKLCH L 44.9% C 0.080 H 228.6°. Best body text is #FFFFFF at 7.32:1 contrast (WCAG AA passes).

Color values

HEX	#155D78
RGB	rgb(21, 93, 120)
HSL	hsl(196, 70%, 28%)
HSV	hsv(196, 83%, 47%)
CMYK	cmyk(82.5%, 22.5%, 0%, 52.9%)
CIE-LAB	lab(36.64, -11.36, -21.34)
CIE-LCH	lch(36.64, 24.17, 241.97°)
OKLab	oklab(44.89% -0.0529 -0.06)
OKLCH	oklch(44.89% 0.08 228.6)
XYZ	xyz(7.6124, 9.3433, 19.1679)
Luminance	0.0934 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155D78 #783015

analogous

#157862 #155D78 #152B78

triadic

#155D78 #78155D #5D7815

tetradic

#155D78 #621578 #783015 #2B7815

square

#155D78 #621578 #783015 #2B7815

split-complementary

#155D78 #78152B #786215

monochromatic

#05141A #0C3544 #155D78 #1E85AC #2DABDA

Accessibility & contrast

On white

7.32

#155D78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#155D78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155D78

7.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155D78	#FFFFFF	#000000	##FFFFFF
##155D78	1.00	7.32	2.87	7.32
#FFFFFF	7.32	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F5B79

Deuteranopia (green-blind)

#425278

Tritanopia (blue-blind)

#006566

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #155d78;
/* rgb */ color: rgb(21, 93, 120);
/* oklch */ color: oklch(44.9% 0.080 228.6);

Tailwind

colors: {
  custom: {
    50: '#648b9f',
    500: '#155d78',
    950: '#000000',
  },
}

SCSS

$custom: #155d78;
$custom-light: #648b9f;
$custom-dark: #000000;

JSON

{
  "hex": "#155d78",
  "rgb": {
    "r": 21,
    "g": 93,
    "b": 120
  },
  "hsl": {
    "h": 196.364,
    "s": 70.213,
    "l": 27.647
  },
  "oklch": {
    "l": 0.4489,
    "c": 0.08,
    "h": 228.6
  },
  "luminance": 0.09344
}

Semantic roles & 50–950 ramp

primary

#155D78

secondary

#AE5A3B

accent

#6B3BED

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#060C0E

muted

#7A7D7E

Preview Lab

Preview with #155D78

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

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