#1B586A#1B586A

#1B586A is a dark, moderate cyan. Relative luminance 0.083; OKLCH L 43.0% C 0.067 H 221.4°. Best body text is #FFFFFF at 7.92:1 contrast (WCAG AA passes).

Color values

HEX	#1B586A
RGB	rgb(27, 88, 106)
HSL	hsl(194, 59%, 26%)
HSV	hsv(194, 75%, 42%)
CMYK	cmyk(74.5%, 17%, 0%, 58.4%)
CIE-LAB	lab(34.50, -12.77, -15.95)
CIE-LCH	lch(34.50, 20.43, 231.30°)
OKLab	oklab(43.02% -0.0505 -0.0445)
OKLCH	oklch(43.02% 0.067 221.4)
XYZ	xyz(6.5422, 8.2523, 14.8809)
Luminance	0.0825 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B586A #6A2D1B

analogous

#1B6A54 #1B586A #1B306A

triadic

#1B586A #6A1B58 #586A1B

tetradic

#1B586A #541B6A #6A2D1B #306A1B

square

#1B586A #541B6A #6A2D1B #306A1B

split-complementary

#1B586A #6A1B30 #6A541B

monochromatic

#061418 #0F3039 #1B586A #27809B #34A9CB

Accessibility & contrast

On white

7.92

#1B586A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#1B586A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B586A

7.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B586A	#FFFFFF	#000000	##FFFFFF
##1B586A	1.00	7.92	2.65	7.92
#FFFFFF	7.92	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D566B

Deuteranopia (green-blind)

#424E6A

Tritanopia (blue-blind)

#005E5E

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #1b586a;
/* rgb */ color: rgb(27, 88, 106);
/* oklch */ color: oklch(43.0% 0.067 221.4);

Tailwind

colors: {
  custom: {
    50: '#648794',
    500: '#1b586a',
    950: '#000000',
  },
}

SCSS

$custom: #1b586a;
$custom-light: #648794;
$custom-dark: #000000;

JSON

{
  "hex": "#1b586a",
  "rgb": {
    "r": 27,
    "g": 88,
    "b": 106
  },
  "hsl": {
    "h": 193.671,
    "s": 59.398,
    "l": 26.078
  },
  "oklch": {
    "l": 0.43018,
    "c": 0.06731,
    "h": 221.4
  },
  "luminance": 0.08253
}

Semantic roles & 50–950 ramp

primary

#1B586A

secondary

#9F5742

accent

#6945E3

background

#F6F8F9

surface

#EBEFF1

border

#C6CACB

text

#060B0D

muted

#7A7C7E

Preview Lab

Preview with #1B586A

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

Preview Lab → · Contrast checker → · Palette generator →