#155E78#155E78

#155E78 is a mid, moderate cyan. Relative luminance 0.095; OKLCH L 45.2% C 0.080 H 227.3°. Best body text is #FFFFFF at 7.23:1 contrast (WCAG AA passes).

Color values

HEX	#155E78
RGB	rgb(21, 94, 120)
HSL	hsl(196, 70%, 28%)
HSV	hsv(196, 83%, 47%)
CMYK	cmyk(82.5%, 21.7%, 0%, 52.9%)
CIE-LAB	lab(36.97, -11.95, -20.83)
CIE-LCH	lch(36.97, 24.01, 240.15°)
OKLab	oklab(45.15% -0.0539 -0.0585)
OKLCH	oklch(45.15% 0.08 227.3)
XYZ	xyz(7.7007, 9.5200, 19.1973)
Luminance	0.0952 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155E78 #782F15

analogous

#157861 #155E78 #152C78

triadic

#155E78 #78155E #5E7815

tetradic

#155E78 #611578 #782F15 #2C7815

square

#155E78 #611578 #782F15 #2C7815

split-complementary

#155E78 #78152C #786115

monochromatic

#05141A #0C3544 #155E78 #1E87AC #2DADDA

Accessibility & contrast

On white

7.23

#155E78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.90

#155E78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155E78

7.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155E78	#FFFFFF	#000000	##FFFFFF
##155E78	1.00	7.23	2.90	7.23
#FFFFFF	7.23	1.00	21.00	1.00
#000000	2.90	21.00	1.00	21.00
##FFFFFF	7.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#505C79

Deuteranopia (green-blind)

#435378

Tritanopia (blue-blind)

#006567

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #155e78;
/* rgb */ color: rgb(21, 94, 120);
/* oklch */ color: oklch(45.2% 0.080 227.3);

Tailwind

colors: {
  custom: {
    50: '#658b9f',
    500: '#155e78',
    950: '#000000',
  },
}

SCSS

$custom: #155e78;
$custom-light: #658b9f;
$custom-dark: #000000;

JSON

{
  "hex": "#155e78",
  "rgb": {
    "r": 21,
    "g": 94,
    "b": 120
  },
  "hsl": {
    "h": 195.758,
    "s": 70.213,
    "l": 27.647
  },
  "oklch": {
    "l": 0.45154,
    "c": 0.07959,
    "h": 227.3
  },
  "luminance": 0.09521
}

Semantic roles & 50–950 ramp

primary

#155E78

secondary

#AE593B

accent

#6A3BED

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#060C0E

muted

#7A7D7E

Preview Lab

Preview with #155E78

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

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