#155578#155578

#155578 is a dark, moderate cyan. Relative luminance 0.080; OKLCH L 42.8% C 0.085 H 238.1°. Best body text is #FFFFFF at 8.07:1 contrast (WCAG AA passes).

Color values

HEX	#155578
RGB	rgb(21, 85, 120)
HSL	hsl(201, 70%, 28%)
HSV	hsv(201, 83%, 47%)
CMYK	cmyk(82.5%, 29.2%, 0%, 52.9%)
CIE-LAB	lab(34.01, -6.50, -25.44)
CIE-LCH	lch(34.01, 26.25, 255.67°)
OKLab	oklab(42.79% -0.0447 -0.0719)
OKLCH	oklch(42.79% 0.085 238.1)
XYZ	xyz(6.9466, 8.0116, 18.9459)
Luminance	0.0801 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155578 #783815

analogous

#157869 #155578 #152478

triadic

#155578 #781555 #557815

tetradic

#155578 #691578 #783815 #247815

square

#155578 #691578 #783815 #247815

split-complementary

#155578 #781524 #786915

monochromatic

#05121A #0C3044 #155578 #1E7AAC #2D9DDA

Accessibility & contrast

On white

8.07

#155578 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#155578 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155578

8.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155578	#FFFFFF	#000000	##FFFFFF
##155578	1.00	8.07	2.60	8.07
#FFFFFF	8.07	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#44557A

Deuteranopia (green-blind)

#374C77

Tritanopia (blue-blind)

#005E61

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #155578;
/* rgb */ color: rgb(21, 85, 120);
/* oklch */ color: oklch(42.8% 0.085 238.1);

Tailwind

colors: {
  custom: {
    50: '#64849f',
    500: '#155578',
    950: '#000000',
  },
}

SCSS

$custom: #155578;
$custom-light: #64849f;
$custom-dark: #000000;

JSON

{
  "hex": "#155578",
  "rgb": {
    "r": 21,
    "g": 85,
    "b": 120
  },
  "hsl": {
    "h": 201.212,
    "s": 70.213,
    "l": 27.647
  },
  "oklch": {
    "l": 0.42793,
    "c": 0.08472,
    "h": 238.1
  },
  "luminance": 0.08012
}

Semantic roles & 50–950 ramp

primary

#155578

secondary

#AE643B

accent

#7A3BED

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#060B0E

muted

#7A7C7E

Preview Lab

Preview with #155578

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

Preview Lab → · Contrast checker → · Palette generator →