#15405A#15405A

#15405A is a dark, moderate cyan. Relative luminance 0.046; OKLCH L 35.5% C 0.065 H 239.1°. Best body text is #FFFFFF at 10.98:1 contrast (WCAG AA passes).

Color values

HEX	#15405A
RGB	rgb(21, 64, 90)
HSL	hsl(203, 62%, 22%)
HSV	hsv(203, 77%, 35%)
CMYK	cmyk(76.7%, 28.9%, 0%, 64.7%)
CIE-LAB	lab(25.45, -4.95, -19.78)
CIE-LCH	lch(25.45, 20.39, 255.95°)
OKLab	oklab(35.5% -0.0334 -0.0558)
OKLCH	oklch(35.5% 0.065 239.1)
XYZ	xyz(3.9874, 4.5640, 10.3417)
Luminance	0.0456 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15405A #5A2F15

analogous

#155A52 #15405A #151E5A

triadic

#15405A #5A1540 #405A15

tetradic

#15405A #52155A #5A2F15 #1E5A15

square

#15405A #52155A #5A2F15 #1E5A15

split-complementary

#15405A #5A151E #5A5215

monochromatic

#061219 #091D28 #15405A #21638C #2C87BD

Accessibility & contrast

On white

10.98

#15405A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#15405A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15405A

10.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15405A	#FFFFFF	#000000	##FFFFFF
##15405A	1.00	10.98	1.91	10.98
#FFFFFF	10.98	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	10.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#34405B

Deuteranopia (green-blind)

#2A395A

Tritanopia (blue-blind)

#004749

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #15405a;
/* rgb */ color: rgb(21, 64, 90);
/* oklch */ color: oklch(35.5% 0.065 239.1);

Tailwind

colors: {
  custom: {
    50: '#5d7488',
    500: '#15405a',
    950: '#000000',
  },
}

SCSS

$custom: #15405a;
$custom-light: #5d7488;
$custom-dark: #000000;

JSON

{
  "hex": "#15405a",
  "rgb": {
    "r": 21,
    "g": 64,
    "b": 90
  },
  "hsl": {
    "h": 202.609,
    "s": 62.162,
    "l": 21.765
  },
  "oklch": {
    "l": 0.35499,
    "c": 0.065,
    "h": 239.1
  },
  "luminance": 0.04564
}

Semantic roles & 50–950 ramp

primary

#15405A

secondary

#925B39

accent

#8043E5

background

#F5F7F8

surface

#E9EDF0

border

#C5C8CB

text

#05080B

muted

#797B7C

Preview Lab

Preview with #15405A

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

Preview Lab → · Contrast checker → · Palette generator →