#103D63#103D63

#103D63 is a dark, moderate cyan. Relative luminance 0.043; OKLCH L 35.1% C 0.082 H 248.4°. Best body text is #FFFFFF at 11.23:1 contrast (WCAG AA passes).

Color values

HEX	#103D63
RGB	rgb(16, 61, 99)
HSL	hsl(207, 72%, 23%)
HSV	hsv(207, 84%, 39%)
CMYK	cmyk(83.8%, 38.4%, 0%, 61.2%)
CIE-LAB	lab(24.79, 0.01, -26.68)
CIE-LCH	lch(24.79, 26.68, 270.03°)
OKLab	oklab(35.1% -0.0301 -0.076)
OKLCH	oklch(35.1% 0.082 248.4)
XYZ	xyz(4.1337, 4.3480, 12.4233)
Luminance	0.0435 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#103D63 #633610

analogous

#106360 #103D63 #101363

triadic

#103D63 #63103D #3D6310

tetradic

#103D63 #601063 #633610 #136310

square

#103D63 #601063 #633610 #136310

split-complementary

#103D63 #631013 #636010

monochromatic

#04101A #071D2E #103D63 #195D98 #217ECC

Accessibility & contrast

On white

11.23

#103D63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#103D63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103D63

11.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##103D63	#FFFFFF	#000000	##FFFFFF
##103D63	1.00	11.23	1.87	11.23
#FFFFFF	11.23	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B3F65

Deuteranopia (green-blind)

#1F3762

Tritanopia (blue-blind)

#00464B

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #103d63;
/* rgb */ color: rgb(16, 61, 99);
/* oklch */ color: oklch(35.1% 0.082 248.4);

Tailwind

colors: {
  custom: {
    50: '#5d728f',
    500: '#103d63',
    950: '#000000',
  },
}

SCSS

$custom: #103d63;
$custom-light: #5d728f;
$custom-dark: #000000;

JSON

{
  "hex": "#103d63",
  "rgb": {
    "r": 16,
    "g": 61,
    "b": 99
  },
  "hsl": {
    "h": 207.47,
    "s": 72.174,
    "l": 22.549
  },
  "oklch": {
    "l": 0.35096,
    "c": 0.08172,
    "h": 248.4
  },
  "luminance": 0.04348
}

Semantic roles & 50–950 ramp

primary

#103D63

secondary

#9C6333

accent

#8C39EF

background

#F5F6F8

surface

#E9ECF0

border

#C5C7CB

text

#05070C

muted

#797A7D

Preview Lab

Preview with #103D63

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

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