#103D58#103D58

#103D58 is a dark, moderate cyan. Relative luminance 0.042; OKLCH L 34.4% C 0.067 H 239.7°. Best body text is #FFFFFF at 11.47:1 contrast (WCAG AA passes).

Color values

HEX	#103D58
RGB	rgb(16, 61, 88)
HSL	hsl(203, 69%, 20%)
HSV	hsv(203, 82%, 35%)
CMYK	cmyk(81.8%, 30.7%, 0%, 65.5%)
CIE-LAB	lab(24.17, -4.55, -20.50)
CIE-LCH	lch(24.17, 21.00, 257.49°)
OKLab	oklab(34.4% -0.0338 -0.0579)
OKLCH	oklch(34.4% 0.067 239.7)
XYZ	xyz(3.6432, 4.1518, 9.8400)
Luminance	0.0415 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#103D58 #582B10

analogous

#10584F #103D58 #101958

triadic

#103D58 #58103D #3D5810

tetradic

#103D58 #4F1058 #582B10 #195810

square

#103D58 #4F1058 #582B10 #195810

split-complementary

#103D58 #581019 #584F10

monochromatic

#05121A #071924 #103D58 #19618C #2385C0

Accessibility & contrast

On white

11.47

#103D58 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#103D58 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103D58

11.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##103D58	#FFFFFF	#000000	##FFFFFF
##103D58	1.00	11.47	1.83	11.47
#FFFFFF	11.47	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#303D59

Deuteranopia (green-blind)

#263658

Tritanopia (blue-blind)

#004446

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #103d58;
/* rgb */ color: rgb(16, 61, 88);
/* oklch */ color: oklch(34.4% 0.067 239.7);

Tailwind

colors: {
  custom: {
    50: '#5a7287',
    500: '#103d58',
    950: '#000000',
  },
}

SCSS

$custom: #103d58;
$custom-light: #5a7287;
$custom-dark: #000000;

JSON

{
  "hex": "#103d58",
  "rgb": {
    "r": 16,
    "g": 61,
    "b": 88
  },
  "hsl": {
    "h": 202.5,
    "s": 69.231,
    "l": 20.392
  },
  "oklch": {
    "l": 0.344,
    "c": 0.0671,
    "h": 239.7
  },
  "luminance": 0.04152
}

Semantic roles & 50–950 ramp

primary

#103D58

secondary

#915632

accent

#7E3CEC

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04070B

muted

#797A7C

Preview Lab

Preview with #103D58

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

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