#1B5886#1B5886

#1B5886 is a dark, moderate cyan. Relative luminance 0.089; OKLCH L 44.5% C 0.097 H 245.6°. Best body text is #FFFFFF at 7.54:1 contrast (WCAG AA passes).

Color values

HEX	#1B5886
RGB	rgb(27, 88, 134)
HSL	hsl(206, 66%, 32%)
HSV	hsv(206, 80%, 53%)
CMYK	cmyk(79.9%, 34.3%, 0%, 47.5%)
CIE-LAB	lab(35.85, -2.19, -31.14)
CIE-LCH	lch(35.85, 31.22, 265.98°)
OKLab	oklab(44.54% -0.0401 -0.0885)
OKLCH	oklch(44.54% 0.097 245.6)
XYZ	xyz(8.2431, 8.9327, 23.8394)
Luminance	0.0893 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5886 #86491B

analogous

#1B867F #1B5886 #1B2386

triadic

#1B5886 #861B58 #58861B

tetradic

#1B5886 #7F1B86 #86491B #23861B

square

#1B5886 #7F1B86 #86491B #23861B

split-complementary

#1B5886 #861B23 #867F1B

monochromatic

#061520 #113753 #1B5886 #2579B9 #4298D9

Accessibility & contrast

On white

7.54

#1B5886 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#1B5886 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5886

7.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5886	#FFFFFF	#000000	##FFFFFF
##1B5886	1.00	7.54	2.79	7.54
#FFFFFF	7.54	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#435A88

Deuteranopia (green-blind)

#335085

Tritanopia (blue-blind)

#006369

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #1b5886;
/* rgb */ color: rgb(27, 88, 134);
/* oklch */ color: oklch(44.5% 0.097 245.6);

Tailwind

colors: {
  custom: {
    50: '#6986a9',
    500: '#1b5886',
    950: '#000000',
  },
}

SCSS

$custom: #1b5886;
$custom-light: #6986a9;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5886",
  "rgb": {
    "r": 27,
    "g": 88,
    "b": 134
  },
  "hsl": {
    "h": 205.794,
    "s": 66.46,
    "l": 31.569
  },
  "oklch": {
    "l": 0.44537,
    "c": 0.09712,
    "h": 245.6
  },
  "luminance": 0.08934
}

Semantic roles & 50–950 ramp

primary

#1B5886

secondary

#B97644

accent

#883EE9

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#070B10

muted

#7A7C7F

Preview Lab

Preview with #1B5886

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

Preview Lab → · Contrast checker → · Palette generator →