#1B5682#1B5682

#1B5682 is a dark, moderate cyan. Relative luminance 0.085; OKLCH L 43.8% C 0.094 H 245.2°. Best body text is #FFFFFF at 7.78:1 contrast (WCAG AA passes).

Color values

HEX	#1B5682
RGB	rgb(27, 86, 130)
HSL	hsl(206, 66%, 31%)
HSV	hsv(206, 79%, 51%)
CMYK	cmyk(79.2%, 33.8%, 0%, 49%)
CIE-LAB	lab(35.00, -2.49, -30.03)
CIE-LCH	lch(35.00, 30.14, 265.27°)
OKLab	oklab(43.8% -0.0394 -0.0853)
OKLCH	oklch(43.8% 0.094 245.2)
XYZ	xyz(7.8075, 8.4994, 22.3438)
Luminance	0.0850 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5682 #82471B

analogous

#1B827A #1B5682 #1B2282

triadic

#1B5682 #821B56 #56821B

tetradic

#1B5682 #7A1B82 #82471B #22821B

square

#1B5682 #7A1B82 #82471B #22821B

split-complementary

#1B5682 #821B22 #827A1B

monochromatic

#06131D #10344F #1B5682 #2678B5 #4097D7

Accessibility & contrast

On white

7.78

#1B5682 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#1B5682 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5682

7.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5682	#FFFFFF	#000000	##FFFFFF
##1B5682	1.00	7.78	2.70	7.78
#FFFFFF	7.78	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#425884

Deuteranopia (green-blind)

#334E81

Tritanopia (blue-blind)

#006166

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #1b5682;
/* rgb */ color: rgb(27, 86, 130);
/* oklch */ color: oklch(43.8% 0.094 245.2);

Tailwind

colors: {
  custom: {
    50: '#6885a6',
    500: '#1b5682',
    950: '#000000',
  },
}

SCSS

$custom: #1b5682;
$custom-light: #6885a6;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5682",
  "rgb": {
    "r": 27,
    "g": 86,
    "b": 130
  },
  "hsl": {
    "h": 205.631,
    "s": 65.605,
    "l": 30.784
  },
  "oklch": {
    "l": 0.43795,
    "c": 0.09391,
    "h": 245.2
  },
  "luminance": 0.085
}

Semantic roles & 50–950 ramp

primary

#1B5682

secondary

#B67443

accent

#883FE9

background

#F6F8FA

surface

#EBEFF4

border

#C6CACE

text

#070B0F

muted

#7A7C7F

Preview Lab

Preview with #1B5682

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

Preview Lab → · Contrast checker → · Palette generator →