#105B6A#105B6A

#105B6A is a dark, moderate cyan. Relative luminance 0.086; OKLCH L 43.6% C 0.072 H 215.2°. Best body text is #FFFFFF at 7.70:1 contrast (WCAG AA passes).

Color values

HEX	#105B6A
RGB	rgb(16, 91, 106)
HSL	hsl(190, 74%, 24%)
HSV	hsv(190, 85%, 42%)
CMYK	cmyk(84.9%, 14.2%, 0%, 58.4%)
CIE-LAB	lab(35.27, -15.93, -14.80)
CIE-LCH	lch(35.27, 21.74, 222.89°)
OKLab	oklab(43.56% -0.0587 -0.0413)
OKLCH	oklch(43.56% 0.072 215.2)
XYZ	xyz(6.5552, 8.6321, 14.9536)
Luminance	0.0863 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#105B6A #6A1F10

analogous

#106A4C #105B6A #102E6A

triadic

#105B6A #6A105B #5B6A10

tetradic

#105B6A #4C106A #6A1F10 #2E6A10

square

#105B6A #4C106A #6A1F10 #2E6A10

split-complementary

#105B6A #6A102E #6A4C10

monochromatic

#04171B #082D35 #105B6A #18899F #20B6D4

Accessibility & contrast

On white

7.70

#105B6A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#105B6A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #105B6A

7.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##105B6A	#FFFFFF	#000000	##FFFFFF
##105B6A	1.00	7.70	2.73	7.70
#FFFFFF	7.70	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#51586B

Deuteranopia (green-blind)

#454F6A

Tritanopia (blue-blind)

#006060

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #105b6a;
/* rgb */ color: rgb(16, 91, 106);
/* oklch */ color: oklch(43.6% 0.072 215.2);

Tailwind

colors: {
  custom: {
    50: '#618994',
    500: '#105b6a',
    950: '#000000',
  },
}

SCSS

$custom: #105b6a;
$custom-light: #618994;
$custom-dark: #000000;

JSON

{
  "hex": "#105b6a",
  "rgb": {
    "r": 16,
    "g": 91,
    "b": 106
  },
  "hsl": {
    "h": 190,
    "s": 73.77,
    "l": 23.922
  },
  "oklch": {
    "l": 0.43561,
    "c": 0.07177,
    "h": 215.2
  },
  "luminance": 0.08633
}

Semantic roles & 50–950 ramp

primary

#105B6A

secondary

#A24634

accent

#5637F0

background

#F6F8F9

surface

#EBF0F1

border

#C6CBCB

text

#060B0D

muted

#7A7C7E

Preview Lab

Preview with #105B6A

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

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