#1B5486#1B5486

#1B5486 is a dark, moderate cyan. Relative luminance 0.083; OKLCH L 43.5% C 0.101 H 249.0°. Best body text is #FFFFFF at 7.90:1 contrast (WCAG AA passes).

Color values

HEX	#1B5486
RGB	rgb(27, 84, 134)
HSL	hsl(208, 66%, 32%)
HSV	hsv(208, 80%, 53%)
CMYK	cmyk(79.9%, 37.3%, 0%, 47.5%)
CIE-LAB	lab(34.59, 0.37, -33.14)
CIE-LCH	lch(34.59, 33.15, 270.65°)
OKLab	oklab(43.54% -0.0362 -0.0944)
OKLCH	oklch(43.54% 0.101 249)
XYZ	xyz(7.9238, 8.2939, 23.7329)
Luminance	0.0829 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5486 #864D1B

analogous

#1B8683 #1B5486 #1B1F86

triadic

#1B5486 #861B54 #54861B

tetradic

#1B5486 #831B86 #864D1B #1F861B

square

#1B5486 #831B86 #864D1B #1F861B

split-complementary

#1B5486 #861B1F #86831B

monochromatic

#061420 #113453 #1B5486 #2574B9 #4293D9

Accessibility & contrast

On white

7.90

#1B5486 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#1B5486 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5486

7.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5486	#FFFFFF	#000000	##FFFFFF
##1B5486	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)

#3D5788

Deuteranopia (green-blind)

#2D4D85

Tritanopia (blue-blind)

#006066

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #1b5486;
/* rgb */ color: rgb(27, 84, 134);
/* oklch */ color: oklch(43.5% 0.101 249.0);

Tailwind

colors: {
  custom: {
    50: '#6983a9',
    500: '#1b5486',
    950: '#000000',
  },
}

SCSS

$custom: #1b5486;
$custom-light: #6983a9;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5486",
  "rgb": {
    "r": 27,
    "g": 84,
    "b": 134
  },
  "hsl": {
    "h": 208.037,
    "s": 66.46,
    "l": 31.569
  },
  "oklch": {
    "l": 0.43541,
    "c": 0.1011,
    "h": 249
  },
  "luminance": 0.08295
}

Semantic roles & 50–950 ramp

primary

#1B5486

secondary

#B97B44

accent

#8E3EE9

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#070A10

muted

#7A7C7F

Preview Lab

Preview with #1B5486

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

Preview Lab → · Contrast checker → · Palette generator →