#1B586D#1B586D

#1B586D is a dark, moderate cyan. Relative luminance 0.083; OKLCH L 43.2% C 0.070 H 225.1°. Best body text is #FFFFFF at 7.88:1 contrast (WCAG AA passes).

Color values

HEX	#1B586D
RGB	rgb(27, 88, 109)
HSL	hsl(195, 60%, 27%)
HSV	hsv(195, 75%, 43%)
CMYK	cmyk(75.2%, 19.3%, 0%, 57.3%)
CIE-LAB	lab(34.63, -11.69, -17.62)
CIE-LCH	lch(34.63, 21.14, 236.44°)
OKLab	oklab(43.16% -0.0492 -0.0493)
OKLCH	oklch(43.16% 0.07 225.1)
XYZ	xyz(6.7009, 8.3158, 15.7170)
Luminance	0.0832 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B586D #6D301B

analogous

#1B6D59 #1B586D #1B2F6D

triadic

#1B586D #6D1B58 #586D1B

tetradic

#1B586D #591B6D #6D301B #2F6D1B

square

#1B586D #591B6D #6D301B #2F6D1B

split-complementary

#1B586D #6D1B2F #6D591B

monochromatic

#061419 #0F303C #1B586D #27809E #35A6CD

Accessibility & contrast

On white

7.88

#1B586D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#1B586D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B586D

7.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B586D	#FFFFFF	#000000	##FFFFFF
##1B586D	1.00	7.88	2.66	7.88
#FFFFFF	7.88	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C566E

Deuteranopia (green-blind)

#414E6D

Tritanopia (blue-blind)

#005E5F

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #1b586d;
/* rgb */ color: rgb(27, 88, 109);
/* oklch */ color: oklch(43.2% 0.070 225.1);

Tailwind

colors: {
  custom: {
    50: '#648797',
    500: '#1b586d',
    950: '#000000',
  },
}

SCSS

$custom: #1b586d;
$custom-light: #648797;
$custom-dark: #000000;

JSON

{
  "hex": "#1b586d",
  "rgb": {
    "r": 27,
    "g": 88,
    "b": 109
  },
  "hsl": {
    "h": 195.366,
    "s": 60.294,
    "l": 26.667
  },
  "oklch": {
    "l": 0.43164,
    "c": 0.06966,
    "h": 225.1
  },
  "luminance": 0.08317
}

Semantic roles & 50–950 ramp

primary

#1B586D

secondary

#A25A42

accent

#6D44E3

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#060B0D

muted

#7A7C7E

Preview Lab

Preview with #1B586D

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

Preview Lab → · Contrast checker → · Palette generator →