#103966#103966

#103966 is a dark, moderate cyan. Relative luminance 0.040; OKLCH L 34.3% C 0.091 H 253.8°. Best body text is #FFFFFF at 11.67:1 contrast (WCAG AA passes).

Color values

HEX	#103966
RGB	rgb(16, 57, 102)
HSL	hsl(211, 73%, 23%)
HSV	hsv(211, 84%, 40%)
CMYK	cmyk(84.3%, 44.1%, 0%, 60%)
CIE-LAB	lab(23.66, 4.06, -30.42)
CIE-LCH	lch(23.66, 30.69, 277.60°)
OKLab	oklab(34.27% -0.0254 -0.087)
OKLCH	oklch(34.27% 0.091 253.8)
XYZ	xyz(4.0742, 3.9952, 13.1242)
Luminance	0.0400 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#103966 #663D10

analogous

#106466 #103966 #121066

triadic

#103966 #661039 #396610

tetradic

#103966 #661064 #663D10 #106612

square

#103966 #661064 #663D10 #106612

split-complementary

#103966 #661210 #646610

monochromatic

#040F1A #081B31 #103966 #18579B #2174D0

Accessibility & contrast

On white

11.67

#103966 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#103966 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103966

11.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##103966	#FFFFFF	#000000	##FFFFFF
##103966	1.00	11.67	1.80	11.67
#FFFFFF	11.67	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#233D68

Deuteranopia (green-blind)

#143565

Tritanopia (blue-blind)

#00444A

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #103966;
/* rgb */ color: rgb(16, 57, 102);
/* oklch */ color: oklch(34.3% 0.091 253.8);

Tailwind

colors: {
  custom: {
    50: '#5e6e92',
    500: '#103966',
    950: '#000000',
  },
}

SCSS

$custom: #103966;
$custom-light: #5e6e92;
$custom-dark: #000000;

JSON

{
  "hex": "#103966",
  "rgb": {
    "r": 16,
    "g": 57,
    "b": 102
  },
  "hsl": {
    "h": 211.395,
    "s": 72.881,
    "l": 23.137
  },
  "oklch": {
    "l": 0.3427,
    "c": 0.09067,
    "h": 253.8
  },
  "luminance": 0.03996
}

Semantic roles & 50–950 ramp

primary

#103966

secondary

#9E6B33

accent

#9838F0

background

#F5F6F9

surface

#EAEBF1

border

#C6C6CB

text

#05070D

muted

#797A7E

Preview Lab

Preview with #103966

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

Preview Lab → · Contrast checker → · Palette generator →