#105B8D#105B8D

#105B8D is a mid, moderate cyan. Relative luminance 0.095; OKLCH L 45.5% C 0.106 H 244.6°. Best body text is #FFFFFF at 7.23:1 contrast (WCAG AA passes).

Color values

HEX	#105B8D
RGB	rgb(16, 91, 141)
HSL	hsl(204, 80%, 31%)
HSV	hsv(204, 89%, 55%)
CMYK	cmyk(88.7%, 35.5%, 0%, 44.7%)
CIE-LAB	lab(36.96, -2.40, -33.67)
CIE-LCH	lch(36.96, 33.76, 265.92°)
OKLab	oklab(45.47% -0.0455 -0.0959)
OKLCH	oklch(45.47% 0.106 244.6)
XYZ	xyz(8.7606, 9.5143, 26.5688)
Luminance	0.0951 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#105B8D #8D4210

analogous

#108D80 #105B8D #101C8D

triadic

#105B8D #8D105B #5B8D10

tetradic

#105B8D #80108D #8D4210 #1C8D10

square

#105B8D #80108D #8D4210 #1C8D10

split-complementary

#105B8D #8D101C #8D8010

monochromatic

#04141F #0A3856 #105B8D #167EC4 #309EE7

Accessibility & contrast

On white

7.23

#105B8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.90

#105B8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #105B8D

7.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##105B8D	#FFFFFF	#000000	##FFFFFF
##105B8D	1.00	7.23	2.90	7.23
#FFFFFF	7.23	1.00	21.00	1.00
#000000	2.90	21.00	1.00	21.00
##FFFFFF	7.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#435D8F

Deuteranopia (green-blind)

#31528C

Tritanopia (blue-blind)

#00676D

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #105b8d;
/* rgb */ color: rgb(16, 91, 141);
/* oklch */ color: oklch(45.5% 0.106 244.6);

Tailwind

colors: {
  custom: {
    50: '#6889ae',
    500: '#105b8d',
    950: '#000000',
  },
}

SCSS

$custom: #105b8d;
$custom-light: #6889ae;
$custom-dark: #000000;

JSON

{
  "hex": "#105b8d",
  "rgb": {
    "r": 16,
    "g": 91,
    "b": 141
  },
  "hsl": {
    "h": 204,
    "s": 79.618,
    "l": 30.784
  },
  "oklch": {
    "l": 0.45465,
    "c": 0.10615,
    "h": 244.6
  },
  "luminance": 0.09515
}

Semantic roles & 50–950 ramp

primary

#105B8D

secondary

#C26F37

accent

#8032F6

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#070B10

muted

#7A7C7F

Preview Lab

Preview with #105B8D

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

Preview Lab → · Contrast checker → · Palette generator →