#15506B#15506B

#15506B is a dark, moderate cyan. Relative luminance 0.070; OKLCH L 40.8% C 0.074 H 233.0°. Best body text is #FFFFFF at 8.78:1 contrast (WCAG AA passes).

Color values

HEX	#15506B
RGB	rgb(21, 80, 107)
HSL	hsl(199, 67%, 25%)
HSV	hsv(199, 80%, 42%)
CMYK	cmyk(80.4%, 25.2%, 0%, 58%)
CIE-LAB	lab(31.71, -8.45, -20.90)
CIE-LCH	lch(31.71, 22.55, 247.99°)
OKLab	oklab(40.75% -0.0444 -0.0589)
OKLCH	oklch(40.75% 0.074 233)
XYZ	xyz(5.8307, 6.9576, 14.9427)
Luminance	0.0696 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15506B #6B3015

analogous

#156B5B #15506B #15256B

triadic

#15506B #6B1550 #506B15

tetradic

#15506B #5B156B #6B3015 #256B15

square

#15506B #5B156B #6B3015 #256B15

split-complementary

#15506B #6B1525 #6B5B15

monochromatic

#05131A #0B2A38 #15506B #1F769E #299DD1

Accessibility & contrast

On white

8.78

#15506B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#15506B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15506B

8.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15506B	#FFFFFF	#000000	##FFFFFF
##15506B	1.00	8.78	2.39	8.78
#FFFFFF	8.78	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#434F6C

Deuteranopia (green-blind)

#37476B

Tritanopia (blue-blind)

#005759

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #15506b;
/* rgb */ color: rgb(21, 80, 107);
/* oklch */ color: oklch(40.8% 0.074 233.0);

Tailwind

colors: {
  custom: {
    50: '#618195',
    500: '#15506b',
    950: '#000000',
  },
}

SCSS

$custom: #15506b;
$custom-light: #618195;
$custom-dark: #000000;

JSON

{
  "hex": "#15506b",
  "rgb": {
    "r": 21,
    "g": 80,
    "b": 107
  },
  "hsl": {
    "h": 198.837,
    "s": 67.188,
    "l": 25.098
  },
  "oklch": {
    "l": 0.40754,
    "c": 0.07375,
    "h": 233
  },
  "luminance": 0.06958
}

Semantic roles & 50–950 ramp

primary

#15506B

secondary

#A25B3A

accent

#743EEA

background

#F6F7F9

surface

#EBEEF1

border

#C6C9CB

text

#060A0D

muted

#7A7C7E

Preview Lab

Preview with #15506B

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

Preview Lab → · Contrast checker → · Palette generator →