#103D55#103D55

#103D55 is a dark, moderate cyan. Relative luminance 0.041; OKLCH L 34.2% C 0.063 H 236.6°. Best body text is #FFFFFF at 11.53:1 contrast (WCAG AA passes).

Color values

HEX	#103D55
RGB	rgb(16, 61, 85)
HSL	hsl(201, 68%, 20%)
HSV	hsv(201, 81%, 33%)
CMYK	cmyk(81.2%, 28.2%, 0%, 66.7%)
CIE-LAB	lab(24.01, -5.77, -18.78)
CIE-LCH	lch(24.01, 19.64, 252.92°)
OKLab	oklab(34.22% -0.035 -0.053)
OKLCH	oklch(34.22% 0.063 236.6)
XYZ	xyz(3.5215, 4.1031, 9.1990)
Luminance	0.0410 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#103D55 #552810

analogous

#10554B #103D55 #101A55

triadic

#103D55 #55103D #3D5510

tetradic

#103D55 #4B1055 #552810 #1A5510

square

#103D55 #4B1055 #552810 #1A5510

split-complementary

#103D55 #55101A #554B10

monochromatic

#05121A #061821 #103D55 #1A6289 #2387BC

Accessibility & contrast

On white

11.53

#103D55 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#103D55 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103D55

11.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##103D55	#FFFFFF	#000000	##FFFFFF
##103D55	1.00	11.53	1.82	11.53
#FFFFFF	11.53	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#313D56

Deuteranopia (green-blind)

#283655

Tritanopia (blue-blind)

#004345

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #103d55;
/* rgb */ color: rgb(16, 61, 85);
/* oklch */ color: oklch(34.2% 0.063 236.6);

Tailwind

colors: {
  custom: {
    50: '#5a7285',
    500: '#103d55',
    950: '#000000',
  },
}

SCSS

$custom: #103d55;
$custom-light: #5a7285;
$custom-dark: #000000;

JSON

{
  "hex": "#103d55",
  "rgb": {
    "r": 16,
    "g": 61,
    "b": 85
  },
  "hsl": {
    "h": 200.87,
    "s": 68.317,
    "l": 19.804
  },
  "oklch": {
    "l": 0.34223,
    "c": 0.06346,
    "h": 236.6
  },
  "luminance": 0.04104
}

Semantic roles & 50–950 ramp

primary

#103D55

secondary

#8F5232

accent

#793DEB

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04080B

muted

#797B7C

Preview Lab

Preview with #103D55

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

Preview Lab → · Contrast checker → · Palette generator →