#105A6E#105A6E

#105A6E is a dark, moderate cyan. Relative luminance 0.085; OKLCH L 43.5% C 0.074 H 221.3°. Best body text is #FFFFFF at 7.75:1 contrast (WCAG AA passes).

Color values

HEX	#105A6E
RGB	rgb(16, 90, 110)
HSL	hsl(193, 75%, 25%)
HSV	hsv(193, 85%, 43%)
CMYK	cmyk(85.5%, 18.2%, 0%, 56.9%)
CIE-LAB	lab(35.10, -13.88, -17.54)
CIE-LCH	lch(35.10, 22.37, 231.65°)
OKLab	oklab(43.48% -0.0559 -0.0492)
OKLCH	oklch(43.48% 0.074 221.3)
XYZ	xyz(6.6831, 8.5474, 16.0464)
Luminance	0.0855 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#105A6E #6E2410

analogous

#106E53 #105A6E #102B6E

triadic

#105A6E #6E105A #5A6E10

tetradic

#105A6E #53106E #6E2410 #2B6E10

square

#105A6E #53106E #6E2410 #2B6E10

split-complementary

#105A6E #6E102B #6E5310

monochromatic

#04161B #082E39 #105A6E #1886A3 #20B1D9

Accessibility & contrast

On white

7.75

#105A6E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#105A6E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #105A6E

7.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##105A6E	#FFFFFF	#000000	##FFFFFF
##105A6E	1.00	7.75	2.71	7.75
#FFFFFF	7.75	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E586F

Deuteranopia (green-blind)

#424F6E

Tritanopia (blue-blind)

#006060

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #105a6e;
/* rgb */ color: rgb(16, 90, 110);
/* oklch */ color: oklch(43.5% 0.074 221.3);

Tailwind

colors: {
  custom: {
    50: '#618897',
    500: '#105a6e',
    950: '#000000',
  },
}

SCSS

$custom: #105a6e;
$custom-light: #618897;
$custom-dark: #000000;

JSON

{
  "hex": "#105a6e",
  "rgb": {
    "r": 16,
    "g": 90,
    "b": 110
  },
  "hsl": {
    "h": 192.766,
    "s": 74.603,
    "l": 24.706
  },
  "oklch": {
    "l": 0.43481,
    "c": 0.07443,
    "h": 221.3
  },
  "luminance": 0.08548
}

Semantic roles & 50–950 ramp

primary

#105A6E

secondary

#A64C34

accent

#5E37F1

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#060B0D

muted

#7A7C7E

Preview Lab

Preview with #105A6E

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

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