#103F54#103F54

#103F54 is a dark, moderate cyan. Relative luminance 0.043; OKLCH L 34.7% C 0.061 H 232.0°. Best body text is #FFFFFF at 11.28:1 contrast (WCAG AA passes).

Color values

HEX	#103F54
RGB	rgb(16, 63, 84)
HSL	hsl(199, 68%, 20%)
HSV	hsv(199, 81%, 33%)
CMYK	cmyk(81%, 25%, 0%, 67.1%)
CIE-LAB	lab(24.65, -7.46, -17.12)
CIE-LCH	lch(24.65, 18.67, 246.44°)
OKLab	oklab(34.72% -0.0376 -0.0481)
OKLCH	oklch(34.72% 0.061 232)
XYZ	xyz(3.5908, 4.3048, 9.0275)
Luminance	0.0430 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#103F54 #542510

analogous

#105447 #103F54 #101D54

triadic

#103F54 #54103F #3F5410

tetradic

#103F54 #471054 #542510 #1D5410

square

#103F54 #471054 #542510 #1D5410

split-complementary

#103F54 #54101D #544710

monochromatic

#05131A #061821 #103F54 #1A6687 #248CBB

Accessibility & contrast

On white

11.28

#103F54 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#103F54 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103F54

11.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##103F54	#FFFFFF	#000000	##FFFFFF
##103F54	1.00	11.28	1.86	11.28
#FFFFFF	11.28	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#343E55

Deuteranopia (green-blind)

#2B3854

Tritanopia (blue-blind)

#004546

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #103f54;
/* rgb */ color: rgb(16, 63, 84);
/* oklch */ color: oklch(34.7% 0.061 232.0);

Tailwind

colors: {
  custom: {
    50: '#5a7484',
    500: '#103f54',
    950: '#000000',
  },
}

SCSS

$custom: #103f54;
$custom-light: #5a7484;
$custom-dark: #000000;

JSON

{
  "hex": "#103f54",
  "rgb": {
    "r": 16,
    "g": 63,
    "b": 84
  },
  "hsl": {
    "h": 198.529,
    "s": 68,
    "l": 19.608
  },
  "oklch": {
    "l": 0.3472,
    "c": 0.0611,
    "h": 232
  },
  "luminance": 0.04305
}

Semantic roles & 50–950 ramp

primary

#103F54

secondary

#8E4E32

accent

#733DEB

background

#F5F7F8

surface

#E9EDEF

border

#C5C8CA

text

#04080A

muted

#797B7C

Preview Lab

Preview with #103F54

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

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