#103F55#103F55

#103F55 is a dark, moderate cyan. Relative luminance 0.043; OKLCH L 34.8% C 0.062 H 233.2°. Best body text is #FFFFFF at 11.26:1 contrast (WCAG AA passes).

Color values

HEX	#103F55
RGB	rgb(16, 63, 85)
HSL	hsl(199, 68%, 20%)
HSV	hsv(199, 81%, 33%)
CMYK	cmyk(81.2%, 25.9%, 0%, 66.7%)
CIE-LAB	lab(24.70, -7.07, -17.69)
CIE-LCH	lch(24.70, 19.05, 248.23°)
OKLab	oklab(34.78% -0.0372 -0.0498)
OKLCH	oklch(34.78% 0.062 233.2)
XYZ	xyz(3.6302, 4.3206, 9.2352)
Luminance	0.0432 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#103F55 #552610

analogous

#105548 #103F55 #101D55

triadic

#103F55 #55103F #3F5510

tetradic

#103F55 #481055 #552610 #1D5510

square

#103F55 #481055 #552610 #1D5510

split-complementary

#103F55 #55101D #554810

monochromatic

#05131A #061921 #103F55 #1A6589 #238BBC

Accessibility & contrast

On white

11.26

#103F55 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#103F55 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103F55

11.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##103F55	#FFFFFF	#000000	##FFFFFF
##103F55	1.00	11.26	1.86	11.26
#FFFFFF	11.26	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#343E56

Deuteranopia (green-blind)

#2B3855

Tritanopia (blue-blind)

#004546

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #103f55;
/* rgb */ color: rgb(16, 63, 85);
/* oklch */ color: oklch(34.8% 0.062 233.2);

Tailwind

colors: {
  custom: {
    50: '#5a7485',
    500: '#103f55',
    950: '#000000',
  },
}

SCSS

$custom: #103f55;
$custom-light: #5a7485;
$custom-dark: #000000;

JSON

{
  "hex": "#103f55",
  "rgb": {
    "r": 16,
    "g": 63,
    "b": 85
  },
  "hsl": {
    "h": 199.13,
    "s": 68.317,
    "l": 19.804
  },
  "oklch": {
    "l": 0.34776,
    "c": 0.06217,
    "h": 233.2
  },
  "luminance": 0.04321
}

Semantic roles & 50–950 ramp

primary

#103F55

secondary

#8F5032

accent

#743DEB

background

#F5F7F8

surface

#E9EDEF

border

#C5C8CA

text

#04080B

muted

#797B7C

Preview Lab

Preview with #103F55

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

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