#15657F#15657F

#15657F is a mid, moderate cyan. Relative luminance 0.110; OKLCH L 47.3% C 0.083 H 225.4°. Best body text is #FFFFFF at 6.56:1 contrast (WCAG AA passes).

Color values

HEX	#15657F
RGB	rgb(21, 101, 127)
HSL	hsl(195, 72%, 29%)
HSV	hsv(195, 83%, 50%)
CMYK	cmyk(83.5%, 20.5%, 0%, 50.2%)
CIE-LAB	lab(39.58, -13.43, -21.06)
CIE-LCH	lch(39.58, 24.98, 237.48°)
OKLab	oklab(47.35% -0.0583 -0.0591)
OKLCH	oklch(47.35% 0.083 225.4)
XYZ	xyz(8.7921, 10.9980, 21.7340)
Luminance	0.1100 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15657F #7F2F15

analogous

#157F64 #15657F #15307F

triadic

#15657F #7F1565 #657F15

tetradic

#15657F #64157F #7F2F15 #307F15

square

#15657F #64157F #7F2F15 #307F15

split-complementary

#15657F #7F1530 #7F6415

monochromatic

#04151A #0C3B4A #15657F #1E8FB4 #31B3DD

Accessibility & contrast

On white

6.56

#15657F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#15657F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #15657F

6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15657F	#FFFFFF	#000000	##FFFFFF
##15657F	1.00	6.56	3.20	6.56
#FFFFFF	6.56	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#576380

Deuteranopia (green-blind)

#49597F

Tritanopia (blue-blind)

#006D6E

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #15657f;
/* rgb */ color: rgb(21, 101, 127);
/* oklch */ color: oklch(47.3% 0.083 225.4);

Tailwind

colors: {
  custom: {
    50: '#6691a4',
    500: '#15657f',
    950: '#000000',
  },
}

SCSS

$custom: #15657f;
$custom-light: #6691a4;
$custom-dark: #000000;

JSON

{
  "hex": "#15657f",
  "rgb": {
    "r": 21,
    "g": 101,
    "b": 127
  },
  "hsl": {
    "h": 194.717,
    "s": 71.622,
    "l": 29.02
  },
  "oklch": {
    "l": 0.47348,
    "c": 0.08304,
    "h": 225.4
  },
  "luminance": 0.10999
}

Semantic roles & 50–950 ramp

primary

#15657F

secondary

#B4593C

accent

#6639EE

background

#F6F8FA

surface

#EBF0F4

border

#C6CBCE

text

#070C0F

muted

#7A7D7F

Preview Lab

Preview with #15657F

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

Preview Lab → · Contrast checker → · Palette generator →