#103F4A#103F4A

#103F4A is a dark, muted cyan. Relative luminance 0.042; OKLCH L 34.2% C 0.052 H 216.7°. Best body text is #FFFFFF at 11.46:1 contrast (WCAG AA passes).

Color values

HEX	#103F4A
RGB	rgb(16, 63, 74)
HSL	hsl(191, 64%, 18%)
HSV	hsv(191, 78%, 29%)
CMYK	cmyk(78.4%, 14.9%, 0%, 71%)
CIE-LAB	lab(24.19, -11.34, -11.24)
CIE-LCH	lch(24.19, 15.97, 224.76°)
OKLab	oklab(34.2% -0.042 -0.0313)
OKLCH	oklch(34.2% 0.052 216.7)
XYZ	xyz(3.2267, 4.1592, 7.1100)
Luminance	0.0416 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#103F4A #4A1B10

analogous

#104A38 #103F4A #10224A

triadic

#103F4A #4A103F #3F4A10

tetradic

#103F4A #38104A #4A1B10 #224A10

square

#103F4A #38104A #4A1B10 #224A10

split-complementary

#103F4A #4A1022 #4A3810

monochromatic

#051519 #051519 #103F4A #1B6A7C #2695AF

Accessibility & contrast

On white

11.46

#103F4A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#103F4A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103F4A

11.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##103F4A	#FFFFFF	#000000	##FFFFFF
##103F4A	1.00	11.46	1.83	11.46
#FFFFFF	11.46	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#383D4B

Deuteranopia (green-blind)

#30374A

Tritanopia (blue-blind)

#004342

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #103f4a;
/* rgb */ color: rgb(16, 63, 74);
/* oklch */ color: oklch(34.2% 0.052 216.7);

Tailwind

colors: {
  custom: {
    50: '#58747c',
    500: '#103f4a',
    950: '#000000',
  },
}

SCSS

$custom: #103f4a;
$custom-light: #58747c;
$custom-dark: #000000;

JSON

{
  "hex": "#103f4a",
  "rgb": {
    "r": 16,
    "g": 63,
    "b": 74
  },
  "hsl": {
    "h": 191.379,
    "s": 64.444,
    "l": 17.647
  },
  "oklch": {
    "l": 0.34195,
    "c": 0.05244,
    "h": 216.7
  },
  "luminance": 0.0416
}

Semantic roles & 50–950 ramp

primary

#103F4A

secondary

#844132

accent

#6040E7

background

#F5F7F7

surface

#E9EDEE

border

#C5C8C9

text

#040809

muted

#797B7B

Preview Lab

Preview with #103F4A

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

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