#103B55#103B55

#103B55 is a dark, moderate cyan. Relative luminance 0.039; OKLCH L 33.7% C 0.065 H 239.7°. Best body text is #FFFFFF at 11.81:1 contrast (WCAG AA passes).

Color values

HEX	#103B55
RGB	rgb(16, 59, 85)
HSL	hsl(203, 68%, 20%)
HSV	hsv(203, 81%, 33%)
CMYK	cmyk(81.2%, 30.6%, 0%, 66.7%)
CIE-LAB	lab(23.32, -4.45, -19.86)
CIE-LCH	lch(23.32, 20.35, 257.37°)
OKLab	oklab(33.67% -0.0327 -0.0561)
OKLCH	oklch(33.67% 0.065 239.7)
XYZ	xyz(3.4167, 3.8936, 9.1640)
Luminance	0.0389 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#103B55 #552A10

analogous

#10554D #103B55 #101855

triadic

#103B55 #55103B #3B5510

tetradic

#103B55 #4D1055 #552A10 #185510

square

#103B55 #4D1055 #552A10 #185510

split-complementary

#103B55 #551018 #554D10

monochromatic

#05121A #061721 #103B55 #1A5F89 #2383BC

Accessibility & contrast

On white

11.81

#103B55 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#103B55 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103B55

11.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##103B55	#FFFFFF	#000000	##FFFFFF
##103B55	1.00	11.81	1.78	11.81
#FFFFFF	11.81	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F3B56

Deuteranopia (green-blind)

#253555

Tritanopia (blue-blind)

#004244

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #103b55;
/* rgb */ color: rgb(16, 59, 85);
/* oklch */ color: oklch(33.7% 0.065 239.7);

Tailwind

colors: {
  custom: {
    50: '#5a7085',
    500: '#103b55',
    950: '#000000',
  },
}

SCSS

$custom: #103b55;
$custom-light: #5a7085;
$custom-dark: #000000;

JSON

{
  "hex": "#103b55",
  "rgb": {
    "r": 16,
    "g": 59,
    "b": 85
  },
  "hsl": {
    "h": 202.609,
    "s": 68.317,
    "l": 19.804
  },
  "oklch": {
    "l": 0.33673,
    "c": 0.06498,
    "h": 239.7
  },
  "luminance": 0.03894
}

Semantic roles & 50–950 ramp

primary

#103B55

secondary

#8F5532

accent

#7E3DEB

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04070B

muted

#797A7C

Preview Lab

Preview with #103B55

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

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