#15405D#15405D

#15405D is a dark, moderate cyan. Relative luminance 0.046; OKLCH L 35.7% C 0.069 H 242.0°. Best body text is #FFFFFF at 10.92:1 contrast (WCAG AA passes).

Color values

HEX	#15405D
RGB	rgb(21, 64, 93)
HSL	hsl(204, 63%, 22%)
HSV	hsv(204, 77%, 36%)
CMYK	cmyk(77.4%, 31.2%, 0%, 63.5%)
CIE-LAB	lab(25.61, -3.75, -21.48)
CIE-LCH	lch(25.61, 21.81, 260.09°)
OKLab	oklab(35.68% -0.0323 -0.0607)
OKLCH	oklch(35.68% 0.069 242)
XYZ	xyz(4.1177, 4.6161, 11.0278)
Luminance	0.0462 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15405D #5D3215

analogous

#155D56 #15405D #151C5D

triadic

#15405D #5D1540 #405D15

tetradic

#15405D #56155D #5D3215 #1C5D15

square

#15405D #56155D #5D3215 #1C5D15

split-complementary

#15405D #5D151C #5D5615

monochromatic

#061119 #0A1E2B #15405D #20628F #2C85C1

Accessibility & contrast

On white

10.92

#15405D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#15405D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15405D

10.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15405D	#FFFFFF	#000000	##FFFFFF
##15405D	1.00	10.92	1.92	10.92
#FFFFFF	10.92	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#33405E

Deuteranopia (green-blind)

#293A5C

Tritanopia (blue-blind)

#00474A

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #15405d;
/* rgb */ color: rgb(21, 64, 93);
/* oklch */ color: oklch(35.7% 0.069 242.0);

Tailwind

colors: {
  custom: {
    50: '#5d748b',
    500: '#15405d',
    950: '#000000',
  },
}

SCSS

$custom: #15405d;
$custom-light: #5d748b;
$custom-dark: #000000;

JSON

{
  "hex": "#15405d",
  "rgb": {
    "r": 21,
    "g": 64,
    "b": 93
  },
  "hsl": {
    "h": 204.167,
    "s": 63.158,
    "l": 22.353
  },
  "oklch": {
    "l": 0.35676,
    "c": 0.06876,
    "h": 242
  },
  "luminance": 0.04617
}

Semantic roles & 50–950 ramp

primary

#15405D

secondary

#945E39

accent

#8442E6

background

#F5F7F8

surface

#E9EDF0

border

#C5C8CB

text

#05080C

muted

#797B7D

Preview Lab

Preview with #15405D

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

Preview Lab → · Contrast checker → · Palette generator →