#105D8D#105D8D

#105D8D is a mid, moderate cyan. Relative luminance 0.099; OKLCH L 46.0% C 0.104 H 243.0°. Best body text is #FFFFFF at 7.06:1 contrast (WCAG AA passes).

Color values

HEX	#105D8D
RGB	rgb(16, 93, 141)
HSL	hsl(203, 80%, 31%)
HSV	hsv(203, 89%, 55%)
CMYK	cmyk(88.7%, 34%, 0%, 44.7%)
CIE-LAB	lab(37.59, -3.66, -32.67)
CIE-LCH	lch(37.59, 32.87, 263.61°)
OKLab	oklab(45.97% -0.0473 -0.0929)
OKLCH	oklch(45.97% 0.104 243)
XYZ	xyz(8.9339, 9.8608, 26.6266)
Luminance	0.0986 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#105D8D #8D4010

analogous

#108D7E #105D8D #101E8D

triadic

#105D8D #8D105D #5D8D10

tetradic

#105D8D #7E108D #8D4010 #1E8D10

square

#105D8D #7E108D #8D4010 #1E8D10

split-complementary

#105D8D #8D101E #8D7E10

monochromatic

#04141F #0A3956 #105D8D #1681C4 #30A1E7

Accessibility & contrast

On white

7.06

#105D8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.97

#105D8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #105D8D

7.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##105D8D	#FFFFFF	#000000	##FFFFFF
##105D8D	1.00	7.06	2.97	7.06
#FFFFFF	7.06	1.00	21.00	1.00
#000000	2.97	21.00	1.00	21.00
##FFFFFF	7.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#465E8F

Deuteranopia (green-blind)

#35548C

Tritanopia (blue-blind)

#00696E

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #105d8d;
/* rgb */ color: rgb(16, 93, 141);
/* oklch */ color: oklch(46.0% 0.104 243.0);

Tailwind

colors: {
  custom: {
    50: '#688aae',
    500: '#105d8d',
    950: '#000000',
  },
}

SCSS

$custom: #105d8d;
$custom-light: #688aae;
$custom-dark: #000000;

JSON

{
  "hex": "#105d8d",
  "rgb": {
    "r": 16,
    "g": 93,
    "b": 141
  },
  "hsl": {
    "h": 203.04,
    "s": 79.618,
    "l": 30.784
  },
  "oklch": {
    "l": 0.45966,
    "c": 0.10427,
    "h": 243
  },
  "luminance": 0.09862
}

Semantic roles & 50–950 ramp

primary

#105D8D

secondary

#C26C37

accent

#7D32F6

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#070B10

muted

#7A7C7F

Preview Lab

Preview with #105D8D

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

Preview Lab → · Contrast checker → · Palette generator →