#105A8D#105A8D

#105A8D is a mid, moderate cyan. Relative luminance 0.093; OKLCH L 45.2% C 0.107 H 245.4°. Best body text is #FFFFFF at 7.32:1 contrast (WCAG AA passes).

Color values

HEX	#105A8D
RGB	rgb(16, 90, 141)
HSL	hsl(204, 80%, 31%)
HSV	hsv(204, 89%, 55%)
CMYK	cmyk(88.7%, 36.2%, 0%, 44.7%)
CIE-LAB	lab(36.64, -1.77, -34.18)
CIE-LCH	lch(36.64, 34.22, 267.04°)
OKLab	oklab(45.22% -0.0446 -0.0974)
OKLCH	oklch(45.22% 0.107 245.4)
XYZ	xyz(8.6757, 9.3445, 26.5405)
Luminance	0.0935 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#105A8D #8D4310

analogous

#108D81 #105A8D #101B8D

triadic

#105A8D #8D105A #5A8D10

tetradic

#105A8D #81108D #8D4310 #1B8D10

square

#105A8D #81108D #8D4310 #1B8D10

split-complementary

#105A8D #8D101B #8D8110

monochromatic

#04141F #0A3756 #105A8D #167DC4 #309DE7

Accessibility & contrast

On white

7.32

#105A8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#105A8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #105A8D

7.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##105A8D	#FFFFFF	#000000	##FFFFFF
##105A8D	1.00	7.32	2.87	7.32
#FFFFFF	7.32	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#425C8F

Deuteranopia (green-blind)

#30518C

Tritanopia (blue-blind)

#00666D

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #105a8d;
/* rgb */ color: rgb(16, 90, 141);
/* oklch */ color: oklch(45.2% 0.107 245.4);

Tailwind

colors: {
  custom: {
    50: '#6888ae',
    500: '#105a8d',
    950: '#000000',
  },
}

SCSS

$custom: #105a8d;
$custom-light: #6888ae;
$custom-dark: #000000;

JSON

{
  "hex": "#105a8d",
  "rgb": {
    "r": 16,
    "g": 90,
    "b": 141
  },
  "hsl": {
    "h": 204.48,
    "s": 79.618,
    "l": 30.784
  },
  "oklch": {
    "l": 0.45215,
    "c": 0.10713,
    "h": 245.4
  },
  "luminance": 0.09346
}

Semantic roles & 50–950 ramp

primary

#105A8D

secondary

#C27037

accent

#8232F6

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#070B10

muted

#7A7C7F

Preview Lab

Preview with #105A8D

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

Preview Lab → · Contrast checker → · Palette generator →