#155A78#155A78

#155A78 is a dark, moderate cyan. Relative luminance 0.088; OKLCH L 44.1% C 0.081 H 232.3°. Best body text is #FFFFFF at 7.59:1 contrast (WCAG AA passes).

Color values

HEX	#155A78
RGB	rgb(21, 90, 120)
HSL	hsl(198, 70%, 28%)
HSV	hsv(198, 83%, 47%)
CMYK	cmyk(82.5%, 25%, 0%, 52.9%)
CIE-LAB	lab(35.65, -9.56, -22.87)
CIE-LCH	lch(35.65, 24.79, 247.31°)
OKLab	oklab(44.1% -0.0498 -0.0644)
OKLCH	oklch(44.1% 0.081 232.3)
XYZ	xyz(7.3542, 8.8269, 19.0818)
Luminance	0.0883 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155A78 #783315

analogous

#157865 #155A78 #152878

triadic

#155A78 #78155A #5A7815

tetradic

#155A78 #651578 #783315 #287815

square

#155A78 #651578 #783315 #287815

split-complementary

#155A78 #781528 #786515

monochromatic

#05141A #0C3344 #155A78 #1E81AC #2DA6DA

Accessibility & contrast

On white

7.59

#155A78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#155A78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155A78

7.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155A78	#FFFFFF	#000000	##FFFFFF
##155A78	1.00	7.59	2.77	7.59
#FFFFFF	7.59	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B5979

Deuteranopia (green-blind)

#3E5078

Tritanopia (blue-blind)

#006264

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #155a78;
/* rgb */ color: rgb(21, 90, 120);
/* oklch */ color: oklch(44.1% 0.081 232.3);

Tailwind

colors: {
  custom: {
    50: '#64889f',
    500: '#155a78',
    950: '#000000',
  },
}

SCSS

$custom: #155a78;
$custom-light: #64889f;
$custom-dark: #000000;

JSON

{
  "hex": "#155a78",
  "rgb": {
    "r": 21,
    "g": 90,
    "b": 120
  },
  "hsl": {
    "h": 198.182,
    "s": 70.213,
    "l": 27.647
  },
  "oklch": {
    "l": 0.441,
    "c": 0.08147,
    "h": 232.3
  },
  "luminance": 0.08828
}

Semantic roles & 50–950 ramp

primary

#155A78

secondary

#AE5E3B

accent

#713BED

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#060B0E

muted

#7A7C7E

Preview Lab

Preview with #155A78

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

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