#103F53#103F53

#103F53 is a dark, moderate cyan. Relative luminance 0.043; OKLCH L 34.7% C 0.060 H 230.7°. Best body text is #FFFFFF at 11.30:1 contrast (WCAG AA passes).

Color values

HEX	#103F53
RGB	rgb(16, 63, 83)
HSL	hsl(198, 68%, 19%)
HSV	hsv(198, 81%, 33%)
CMYK	cmyk(80.7%, 24.1%, 0%, 67.5%)
CIE-LAB	lab(24.61, -7.86, -16.54)
CIE-LCH	lch(24.61, 18.31, 244.58°)
OKLab	oklab(34.67% -0.038 -0.0465)
OKLCH	oklch(34.67% 0.06 230.7)
XYZ	xyz(3.5519, 4.2893, 8.8227)
Luminance	0.0429 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#103F53 #532410

analogous

#105346 #103F53 #101E53

triadic

#103F53 #53103F #3F5310

tetradic

#103F53 #461053 #532410 #1E5310

square

#103F53 #461053 #532410 #1E5310

split-complementary

#103F53 #53101E #534610

monochromatic

#05131A #061820 #103F53 #1A6686 #248DBA

Accessibility & contrast

On white

11.30

#103F53 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#103F53 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103F53

11.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##103F53	#FFFFFF	#000000	##FFFFFF
##103F53	1.00	11.30	1.86	11.30
#FFFFFF	11.30	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#353E54

Deuteranopia (green-blind)

#2C3853

Tritanopia (blue-blind)

#004446

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #103f53;
/* rgb */ color: rgb(16, 63, 83);
/* oklch */ color: oklch(34.7% 0.060 230.7);

Tailwind

colors: {
  custom: {
    50: '#5a7483',
    500: '#103f53',
    950: '#000000',
  },
}

SCSS

$custom: #103f53;
$custom-light: #5a7483;
$custom-dark: #000000;

JSON

{
  "hex": "#103f53",
  "rgb": {
    "r": 16,
    "g": 63,
    "b": 83
  },
  "hsl": {
    "h": 197.91,
    "s": 67.677,
    "l": 19.412
  },
  "oklch": {
    "l": 0.34665,
    "c": 0.06005,
    "h": 230.7
  },
  "luminance": 0.0429
}

Semantic roles & 50–950 ramp

primary

#103F53

secondary

#8D4D32

accent

#713DEB

background

#F5F7F8

surface

#E9EDEF

border

#C5C8CA

text

#04080A

muted

#797B7C

Preview Lab

Preview with #103F53

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

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