#15647B#15647B

#15647B is a mid, moderate cyan. Relative luminance 0.107; OKLCH L 46.9% C 0.080 H 222.7°. Best body text is #FFFFFF at 6.69:1 contrast (WCAG AA passes).

Color values

HEX	#15647B
RGB	rgb(21, 100, 123)
HSL	hsl(194, 71%, 28%)
HSV	hsv(194, 83%, 48%)
CMYK	cmyk(82.9%, 18.7%, 0%, 51.8%)
CIE-LAB	lab(39.08, -14.32, -19.40)
CIE-LCH	lch(39.08, 24.12, 233.56°)
OKLab	oklab(46.89% -0.0589 -0.0544)
OKLCH	oklch(46.89% 0.08 222.7)
XYZ	xyz(8.4401, 10.7028, 20.3561)
Luminance	0.1070 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15647B #7B2C15

analogous

#157B5F #15647B #15317B

triadic

#15647B #7B1564 #647B15

tetradic

#15647B #5F157B #7B2C15 #317B15

square

#15647B #5F157B #7B2C15 #317B15

split-complementary

#15647B #7B1531 #7B5F15

monochromatic

#04151A #0C3947 #15647B #1E8EAF #2FB5DB

Accessibility & contrast

On white

6.69

#15647B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#15647B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #15647B

6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15647B	#FFFFFF	#000000	##FFFFFF
##15647B	1.00	6.69	3.14	6.69
#FFFFFF	6.69	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#57617C

Deuteranopia (green-blind)

#49587B

Tritanopia (blue-blind)

#006B6B

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #15647b;
/* rgb */ color: rgb(21, 100, 123);
/* oklch */ color: oklch(46.9% 0.080 222.7);

Tailwind

colors: {
  custom: {
    50: '#6690a1',
    500: '#15647b',
    950: '#000000',
  },
}

SCSS

$custom: #15647b;
$custom-light: #6690a1;
$custom-dark: #000000;

JSON

{
  "hex": "#15647b",
  "rgb": {
    "r": 21,
    "g": 100,
    "b": 123
  },
  "hsl": {
    "h": 193.529,
    "s": 70.833,
    "l": 28.235
  },
  "oklch": {
    "l": 0.46888,
    "c": 0.08018,
    "h": 222.7
  },
  "luminance": 0.10704
}

Semantic roles & 50–950 ramp

primary

#15647B

secondary

#B0563B

accent

#633AEE

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#070C0F

muted

#7A7D7E

Preview Lab

Preview with #15647B

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

Preview Lab → · Contrast checker → · Palette generator →