#1B586C#1B586C

#1B586C is a dark, moderate cyan. Relative luminance 0.083; OKLCH L 43.1% C 0.069 H 223.9°. Best body text is #FFFFFF at 7.90:1 contrast (WCAG AA passes).

Color values

HEX	#1B586C
RGB	rgb(27, 88, 108)
HSL	hsl(195, 60%, 26%)
HSV	hsv(195, 75%, 42%)
CMYK	cmyk(75%, 18.5%, 0%, 57.6%)
CIE-LAB	lab(34.59, -12.05, -17.06)
CIE-LCH	lch(34.59, 20.89, 234.76°)
OKLab	oklab(43.11% -0.0496 -0.0477)
OKLCH	oklch(43.11% 0.069 223.9)
XYZ	xyz(6.6474, 8.2944, 15.4351)
Luminance	0.0829 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B586C #6C2F1B

analogous

#1B6C58 #1B586C #1B306C

triadic

#1B586C #6C1B58 #586C1B

tetradic

#1B586C #581B6C #6C2F1B #306C1B

square

#1B586C #581B6C #6C2F1B #306C1B

split-complementary

#1B586C #6C1B30 #6C581B

monochromatic

#061418 #0F303B #1B586C #27809D #35A7CC

Accessibility & contrast

On white

7.90

#1B586C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#1B586C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B586C

7.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B586C	#FFFFFF	#000000	##FFFFFF
##1B586C	1.00	7.90	2.66	7.90
#FFFFFF	7.90	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D566D

Deuteranopia (green-blind)

#424E6C

Tritanopia (blue-blind)

#005E5E

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #1b586c;
/* rgb */ color: rgb(27, 88, 108);
/* oklch */ color: oklch(43.1% 0.069 223.9);

Tailwind

colors: {
  custom: {
    50: '#648796',
    500: '#1b586c',
    950: '#000000',
  },
}

SCSS

$custom: #1b586c;
$custom-light: #648796;
$custom-dark: #000000;

JSON

{
  "hex": "#1b586c",
  "rgb": {
    "r": 27,
    "g": 88,
    "b": 108
  },
  "hsl": {
    "h": 194.815,
    "s": 60,
    "l": 26.471
  },
  "oklch": {
    "l": 0.43115,
    "c": 0.06884,
    "h": 223.9
  },
  "luminance": 0.08295
}

Semantic roles & 50–950 ramp

primary

#1B586C

secondary

#A15942

accent

#6C45E3

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#060B0D

muted

#7A7C7E

Preview Lab

Preview with #1B586C

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

Preview Lab → · Contrast checker → · Palette generator →