#155F78#155F78

#155F78 is a mid, moderate cyan. Relative luminance 0.097; OKLCH L 45.4% C 0.079 H 226.1°. Best body text is #FFFFFF at 7.14:1 contrast (WCAG AA passes).

Color values

HEX	#155F78
RGB	rgb(21, 95, 120)
HSL	hsl(195, 70%, 28%)
HSV	hsv(195, 83%, 47%)
CMYK	cmyk(82.5%, 20.8%, 0%, 52.9%)
CIE-LAB	lab(37.30, -12.54, -20.31)
CIE-LCH	lch(37.30, 23.87, 238.32°)
OKLab	oklab(45.42% -0.055 -0.057)
OKLCH	oklch(45.42% 0.079 226.1)
XYZ	xyz(7.7902, 9.6990, 19.2272)
Luminance	0.0970 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155F78 #782E15

analogous

#157860 #155F78 #152D78

triadic

#155F78 #78155F #5F7815

tetradic

#155F78 #601578 #782E15 #2D7815

square

#155F78 #601578 #782E15 #2D7815

split-complementary

#155F78 #78152D #786015

monochromatic

#05151A #0C3644 #155F78 #1E88AC #2DAFDA

Accessibility & contrast

On white

7.14

#155F78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.94

#155F78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155F78

7.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155F78	#FFFFFF	#000000	##FFFFFF
##155F78	1.00	7.14	2.94	7.14
#FFFFFF	7.14	1.00	21.00	1.00
#000000	2.94	21.00	1.00	21.00
##FFFFFF	7.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#515D79

Deuteranopia (green-blind)

#445478

Tritanopia (blue-blind)

#006667

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #155f78;
/* rgb */ color: rgb(21, 95, 120);
/* oklch */ color: oklch(45.4% 0.079 226.1);

Tailwind

colors: {
  custom: {
    50: '#658c9f',
    500: '#155f78',
    950: '#000000',
  },
}

SCSS

$custom: #155f78;
$custom-light: #658c9f;
$custom-dark: #000000;

JSON

{
  "hex": "#155f78",
  "rgb": {
    "r": 21,
    "g": 95,
    "b": 120
  },
  "hsl": {
    "h": 195.152,
    "s": 70.213,
    "l": 27.647
  },
  "oklch": {
    "l": 0.45418,
    "c": 0.07922,
    "h": 226.1
  },
  "luminance": 0.097
}

Semantic roles & 50–950 ramp

primary

#155F78

secondary

#AE583B

accent

#683BED

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#060C0E

muted

#7A7D7E

Preview Lab

Preview with #155F78

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

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