#1B5686#1B5686

#1B5686 is a dark, moderate cyan. Relative luminance 0.086; OKLCH L 44.0% C 0.099 H 247.4°. Best body text is #FFFFFF at 7.71:1 contrast (WCAG AA passes).

Color values

HEX	#1B5686
RGB	rgb(27, 86, 134)
HSL	hsl(207, 66%, 32%)
HSV	hsv(207, 80%, 53%)
CMYK	cmyk(79.9%, 35.8%, 0%, 47.5%)
CIE-LAB	lab(35.22, -0.91, -32.14)
CIE-LCH	lch(35.22, 32.15, 268.37°)
OKLab	oklab(44.04% -0.0381 -0.0914)
OKLCH	oklch(44.04% 0.099 247.4)
XYZ	xyz(8.0812, 8.6089, 23.7854)
Luminance	0.0861 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5686 #864B1B

analogous

#1B8681 #1B5686 #1B2086

triadic

#1B5686 #861B56 #56861B

tetradic

#1B5686 #811B86 #864B1B #20861B

square

#1B5686 #811B86 #864B1B #20861B

split-complementary

#1B5686 #861B20 #86811B

monochromatic

#061520 #113553 #1B5686 #2577B9 #4295D9

Accessibility & contrast

On white

7.71

#1B5686 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#1B5686 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5686

7.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5686	#FFFFFF	#000000	##FFFFFF
##1B5686	1.00	7.71	2.72	7.71
#FFFFFF	7.71	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#405888

Deuteranopia (green-blind)

#304E85

Tritanopia (blue-blind)

#006267

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #1b5686;
/* rgb */ color: rgb(27, 86, 134);
/* oklch */ color: oklch(44.0% 0.099 247.4);

Tailwind

colors: {
  custom: {
    50: '#6985a9',
    500: '#1b5686',
    950: '#000000',
  },
}

SCSS

$custom: #1b5686;
$custom-light: #6985a9;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5686",
  "rgb": {
    "r": 27,
    "g": 86,
    "b": 134
  },
  "hsl": {
    "h": 206.916,
    "s": 66.46,
    "l": 31.569
  },
  "oklch": {
    "l": 0.44038,
    "c": 0.09905,
    "h": 247.4
  },
  "luminance": 0.0861
}

Semantic roles & 50–950 ramp

primary

#1B5686

secondary

#B97844

accent

#8B3EE9

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#070B10

muted

#7A7C7F

Preview Lab

Preview with #1B5686

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

Preview Lab → · Contrast checker → · Palette generator →