#15657D#15657D

#15657D is a mid, moderate cyan. Relative luminance 0.109; OKLCH L 47.2% C 0.081 H 223.5°. Best body text is #FFFFFF at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#15657D
RGB	rgb(21, 101, 125)
HSL	hsl(194, 71%, 29%)
HSV	hsv(194, 83%, 49%)
CMYK	cmyk(83.2%, 19.2%, 0%, 51%)
CIE-LAB	lab(39.49, -14.16, -19.98)
CIE-LCH	lch(39.49, 24.49, 234.67°)
OKLab	oklab(47.25% -0.0591 -0.056)
OKLCH	oklch(47.25% 0.081 223.5)
XYZ	xyz(8.6631, 10.9464, 21.0543)
Luminance	0.1095 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15657D #7D2D15

analogous

#157D61 #15657D #15317D

triadic

#15657D #7D1565 #657D15

tetradic

#15657D #61157D #7D2D15 #317D15

square

#15657D #61157D #7D2D15 #317D15

split-complementary

#15657D #7D1531 #7D6115

monochromatic

#04151A #0C3B49 #15657D #1E8FB1 #30B5DC

Accessibility & contrast

On white

6.58

#15657D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#15657D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #15657D

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15657D	#FFFFFF	#000000	##FFFFFF
##15657D	1.00	6.58	3.19	6.58
#FFFFFF	6.58	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#57637E

Deuteranopia (green-blind)

#4A597D

Tritanopia (blue-blind)

#006C6D

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #15657d;
/* rgb */ color: rgb(21, 101, 125);
/* oklch */ color: oklch(47.2% 0.081 223.5);

Tailwind

colors: {
  custom: {
    50: '#6691a2',
    500: '#15657d',
    950: '#000000',
  },
}

SCSS

$custom: #15657d;
$custom-light: #6691a2;
$custom-dark: #000000;

JSON

{
  "hex": "#15657d",
  "rgb": {
    "r": 21,
    "g": 101,
    "b": 125
  },
  "hsl": {
    "h": 193.846,
    "s": 71.233,
    "l": 28.627
  },
  "oklch": {
    "l": 0.47249,
    "c": 0.08145,
    "h": 223.5
  },
  "luminance": 0.10947
}

Semantic roles & 50–950 ramp

primary

#15657D

secondary

#B2573C

accent

#633AEE

background

#F6F8FA

surface

#EBF0F3

border

#C6CBCD

text

#070C0F

muted

#7A7D7F

Preview Lab

Preview with #15657D

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

Preview Lab → · Contrast checker → · Palette generator →