#103B56#103B56

#103B56 is a dark, moderate cyan. Relative luminance 0.039; OKLCH L 33.7% C 0.066 H 240.7°. Best body text is #FFFFFF at 11.78:1 contrast (WCAG AA passes).

Color values

HEX	#103B56
RGB	rgb(16, 59, 86)
HSL	hsl(203, 69%, 20%)
HSV	hsv(203, 81%, 34%)
CMYK	cmyk(81.4%, 31.4%, 0%, 66.3%)
CIE-LAB	lab(23.37, -4.04, -20.43)
CIE-LCH	lch(23.37, 20.83, 258.81°)
OKLab	oklab(33.73% -0.0324 -0.0578)
OKLCH	oklch(33.73% 0.066 240.7)
XYZ	xyz(3.4567, 3.9096, 9.3747)
Luminance	0.0391 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#103B56 #562B10

analogous

#10564E #103B56 #101856

triadic

#103B56 #56103B #3B5610

tetradic

#103B56 #4E1056 #562B10 #185610

square

#103B56 #4E1056 #562B10 #185610

split-complementary

#103B56 #561018 #564E10

monochromatic

#05121A #061822 #103B56 #1A5E8A #2382BD

Accessibility & contrast

On white

11.78

#103B56 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#103B56 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103B56

11.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##103B56	#FFFFFF	#000000	##FFFFFF
##103B56	1.00	11.78	1.78	11.78
#FFFFFF	11.78	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E3B57

Deuteranopia (green-blind)

#253556

Tritanopia (blue-blind)

#004244

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #103b56;
/* rgb */ color: rgb(16, 59, 86);
/* oklch */ color: oklch(33.7% 0.066 240.7);

Tailwind

colors: {
  custom: {
    50: '#5a7085',
    500: '#103b56',
    950: '#000000',
  },
}

SCSS

$custom: #103b56;
$custom-light: #5a7085;
$custom-dark: #000000;

JSON

{
  "hex": "#103b56",
  "rgb": {
    "r": 16,
    "g": 59,
    "b": 86
  },
  "hsl": {
    "h": 203.143,
    "s": 68.627,
    "l": 20
  },
  "oklch": {
    "l": 0.33733,
    "c": 0.06624,
    "h": 240.7
  },
  "luminance": 0.0391
}

Semantic roles & 50–950 ramp

primary

#103B56

secondary

#8F5632

accent

#803CEB

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04070B

muted

#797A7C

Preview Lab

Preview with #103B56

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

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