#10566D#10566D

#10566D is a dark, moderate cyan. Relative luminance 0.079; OKLCH L 42.4% C 0.075 H 225.8°. Best body text is #FFFFFF at 8.16:1 contrast (WCAG AA passes).

Color values

HEX	#10566D
RGB	rgb(16, 86, 109)
HSL	hsl(195, 74%, 25%)
HSV	hsv(195, 85%, 43%)
CMYK	cmyk(85.3%, 21.1%, 0%, 57.3%)
CIE-LAB	lab(33.71, -11.91, -19.06)
CIE-LCH	lch(33.71, 22.48, 238.02°)
OKLab	oklab(42.35% -0.0521 -0.0535)
OKLCH	oklch(42.35% 0.075 225.8)
XYZ	xyz(6.3006, 7.8691, 15.6518)
Luminance	0.0787 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10566D #6D2710

analogous

#106D56 #10566D #10276D

triadic

#10566D #6D1056 #566D10

tetradic

#10566D #56106D #6D2710 #276D10

square

#10566D #56106D #6D2710 #276D10

split-complementary

#10566D #6D1027 #6D5610

monochromatic

#04151B #082C38 #10566D #1880A2 #20AAD8

Accessibility & contrast

On white

8.16

#10566D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#10566D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10566D

8.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10566D	#FFFFFF	#000000	##FFFFFF
##10566D	1.00	8.16	2.57	8.16
#FFFFFF	8.16	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#49546E

Deuteranopia (green-blind)

#3D4B6D

Tritanopia (blue-blind)

#005D5E

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #10566d;
/* rgb */ color: rgb(16, 86, 109);
/* oklch */ color: oklch(42.4% 0.075 225.8);

Tailwind

colors: {
  custom: {
    50: '#618597',
    500: '#10566d',
    950: '#000000',
  },
}

SCSS

$custom: #10566d;
$custom-light: #618597;
$custom-dark: #000000;

JSON

{
  "hex": "#10566d",
  "rgb": {
    "r": 16,
    "g": 86,
    "b": 109
  },
  "hsl": {
    "h": 194.839,
    "s": 74.4,
    "l": 24.51
  },
  "oklch": {
    "l": 0.42352,
    "c": 0.07473,
    "h": 225.8
  },
  "luminance": 0.0787
}

Semantic roles & 50–950 ramp

primary

#10566D

secondary

#A55034

accent

#6537F1

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#060B0D

muted

#7A7C7E

Preview Lab

Preview with #10566D

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

Preview Lab → · Contrast checker → · Palette generator →