#15677B#15677B

#15677B is a mid, moderate cyan. Relative luminance 0.113; OKLCH L 47.7% C 0.080 H 218.9°. Best body text is #FFFFFF at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#15677B
RGB	rgb(21, 103, 123)
HSL	hsl(192, 71%, 28%)
HSV	hsv(192, 83%, 48%)
CMYK	cmyk(82.9%, 16.3%, 0%, 51.8%)
CIE-LAB	lab(40.06, -16.03, -17.88)
CIE-LCH	lch(40.06, 24.01, 228.13°)
OKLab	oklab(47.68% -0.062 -0.05)
OKLCH	oklch(47.68% 0.08 218.9)
XYZ	xyz(8.7331, 11.2889, 20.4537)
Luminance	0.1129 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15677B #7B2915

analogous

#157B5C #15677B #15347B

triadic

#15677B #7B1567 #677B15

tetradic

#15677B #5C157B #7B2915 #347B15

square

#15677B #5C157B #7B2915 #347B15

split-complementary

#15677B #7B1534 #7B5C15

monochromatic

#04161A #0C3B47 #15677B #1E93AF #2FBADB

Accessibility & contrast

On white

6.45

#15677B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.26

#15677B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #15677B

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15677B	#FFFFFF	#000000	##FFFFFF
##15677B	1.00	6.45	3.26	6.45
#FFFFFF	6.45	1.00	21.00	1.00
#000000	3.26	21.00	1.00	21.00
##FFFFFF	6.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A647C

Deuteranopia (green-blind)

#4D5A7B

Tritanopia (blue-blind)

#006E6D

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #15677b;
/* rgb */ color: rgb(21, 103, 123);
/* oklch */ color: oklch(47.7% 0.080 218.9);

Tailwind

colors: {
  custom: {
    50: '#6692a1',
    500: '#15677b',
    950: '#000000',
  },
}

SCSS

$custom: #15677b;
$custom-light: #6692a1;
$custom-dark: #000000;

JSON

{
  "hex": "#15677b",
  "rgb": {
    "r": 21,
    "g": 103,
    "b": 123
  },
  "hsl": {
    "h": 191.765,
    "s": 70.833,
    "l": 28.235
  },
  "oklch": {
    "l": 0.47682,
    "c": 0.07968,
    "h": 218.9
  },
  "luminance": 0.1129
}

Semantic roles & 50–950 ramp

primary

#15677B

secondary

#B0523B

accent

#5D3AEE

background

#F6F9F9

surface

#EBF1F2

border

#C6CBCC

text

#070D0F

muted

#7A7E7E

Preview Lab

Preview with #15677B

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

Preview Lab → · Contrast checker → · Palette generator →