#15657E#15657E

#15657E is a mid, moderate cyan. Relative luminance 0.110; OKLCH L 47.3% C 0.082 H 224.5°. Best body text is #FFFFFF at 6.57:1 contrast (WCAG AA passes).

Color values

HEX	#15657E
RGB	rgb(21, 101, 126)
HSL	hsl(194, 71%, 29%)
HSV	hsv(194, 83%, 49%)
CMYK	cmyk(83.3%, 19.8%, 0%, 50.6%)
CIE-LAB	lab(39.53, -13.80, -20.52)
CIE-LCH	lch(39.53, 24.73, 236.09°)
OKLab	oklab(47.3% -0.0587 -0.0576)
OKLCH	oklch(47.3% 0.082 224.5)
XYZ	xyz(8.7273, 10.9721, 21.3925)
Luminance	0.1097 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15657E #7E2E15

analogous

#157E63 #15657E #15317E

triadic

#15657E #7E1565 #657E15

tetradic

#15657E #63157E #7E2E15 #317E15

square

#15657E #63157E #7E2E15 #317E15

split-complementary

#15657E #7E1531 #7E6315

monochromatic

#04151A #0C3B4A #15657E #1E8FB2 #31B4DD

Accessibility & contrast

On white

6.57

#15657E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#15657E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #15657E

6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15657E	#FFFFFF	#000000	##FFFFFF
##15657E	1.00	6.57	3.19	6.57
#FFFFFF	6.57	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#57637F

Deuteranopia (green-blind)

#49597E

Tritanopia (blue-blind)

#006C6D

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #15657e;
/* rgb */ color: rgb(21, 101, 126);
/* oklch */ color: oklch(47.3% 0.082 224.5);

Tailwind

colors: {
  custom: {
    50: '#6691a3',
    500: '#15657e',
    950: '#000000',
  },
}

SCSS

$custom: #15657e;
$custom-light: #6691a3;
$custom-dark: #000000;

JSON

{
  "hex": "#15657e",
  "rgb": {
    "r": 21,
    "g": 101,
    "b": 126
  },
  "hsl": {
    "h": 194.286,
    "s": 71.429,
    "l": 28.824
  },
  "oklch": {
    "l": 0.47299,
    "c": 0.08223,
    "h": 224.5
  },
  "luminance": 0.10973
}

Semantic roles & 50–950 ramp

primary

#15657E

secondary

#B3583C

accent

#653AEE

background

#F6F8FA

surface

#EBF0F3

border

#C6CBCD

text

#070C0F

muted

#7A7D7F

Preview Lab

Preview with #15657E

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

Preview Lab → · Contrast checker → · Palette generator →