#103C5C#103C5C

#103C5C is a dark, moderate cyan. Relative luminance 0.041; OKLCH L 34.4% C 0.073 H 244.7°. Best body text is #FFFFFF at 11.52:1 contrast (WCAG AA passes).

Color values

HEX	#103C5C
RGB	rgb(16, 60, 92)
HSL	hsl(205, 70%, 21%)
HSV	hsv(205, 83%, 36%)
CMYK	cmyk(82.6%, 34.8%, 0%, 63.9%)
CIE-LAB	lab(24.05, -2.23, -23.31)
CIE-LCH	lch(24.05, 23.41, 264.53°)
OKLab	oklab(34.38% -0.0313 -0.0661)
OKLCH	oklch(34.38% 0.073 244.7)
XYZ	xyz(3.7606, 4.1141, 10.7191)
Luminance	0.0411 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#103C5C #5C3010

analogous

#105C56 #103C5C #10165C

triadic

#103C5C #5C103C #3C5C10

tetradic

#103C5C #56105C #5C3010 #165C10

square

#103C5C #56105C #5C3010 #165C10

split-complementary

#103C5C #5C1016 #5C5610

monochromatic

#05111A #071A28 #103C5C #195E90 #2280C4

Accessibility & contrast

On white

11.52

#103C5C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#103C5C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103C5C

11.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##103C5C	#FFFFFF	#000000	##FFFFFF
##103C5C	1.00	11.52	1.82	11.52
#FFFFFF	11.52	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D3D5D

Deuteranopia (green-blind)

#22365B

Tritanopia (blue-blind)

#004447

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #103c5c;
/* rgb */ color: rgb(16, 60, 92);
/* oklch */ color: oklch(34.4% 0.073 244.7);

Tailwind

colors: {
  custom: {
    50: '#5b718a',
    500: '#103c5c',
    950: '#000000',
  },
}

SCSS

$custom: #103c5c;
$custom-light: #5b718a;
$custom-dark: #000000;

JSON

{
  "hex": "#103c5c",
  "rgb": {
    "r": 16,
    "g": 60,
    "b": 92
  },
  "hsl": {
    "h": 205.263,
    "s": 70.37,
    "l": 21.176
  },
  "oklch": {
    "l": 0.34376,
    "c": 0.07318,
    "h": 244.7
  },
  "luminance": 0.04115
}

Semantic roles & 50–950 ramp

primary

#103C5C

secondary

#955C33

accent

#863BED

background

#F5F6F8

surface

#E9ECF0

border

#C5C7CB

text

#04070B

muted

#797A7C

Preview Lab

Preview with #103C5C

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

Preview Lab → · Contrast checker → · Palette generator →