#1B5685#1B5685

#1B5685 is a dark, moderate cyan. Relative luminance 0.086; OKLCH L 44.0% C 0.098 H 246.8°. Best body text is #FFFFFF at 7.73:1 contrast (WCAG AA passes).

Color values

HEX	#1B5685
RGB	rgb(27, 86, 133)
HSL	hsl(207, 66%, 31%)
HSV	hsv(207, 80%, 52%)
CMYK	cmyk(79.7%, 35.3%, 0%, 47.8%)
CIE-LAB	lab(35.16, -1.31, -31.62)
CIE-LCH	lch(35.16, 31.64, 267.63°)
OKLab	oklab(43.98% -0.0384 -0.0899)
OKLCH	oklch(43.98% 0.098 246.8)
XYZ	xyz(8.0118, 8.5811, 23.4198)
Luminance	0.0858 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5685 #854A1B

analogous

#1B857F #1B5685 #1B2185

triadic

#1B5685 #851B56 #56851B

tetradic

#1B5685 #7F1B85 #854A1B #21851B

square

#1B5685 #7F1B85 #854A1B #21851B

split-complementary

#1B5685 #851B21 #857F1B

monochromatic

#06141F #113552 #1B5685 #2577B8 #4296D9

Accessibility & contrast

On white

7.73

#1B5685 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#1B5685 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5685

7.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5685	#FFFFFF	#000000	##FFFFFF
##1B5685	1.00	7.73	2.72	7.73
#FFFFFF	7.73	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#405887

Deuteranopia (green-blind)

#314E84

Tritanopia (blue-blind)

#006167

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #1b5685;
/* rgb */ color: rgb(27, 86, 133);
/* oklch */ color: oklch(44.0% 0.098 246.8);

Tailwind

colors: {
  custom: {
    50: '#6885a9',
    500: '#1b5685',
    950: '#000000',
  },
}

SCSS

$custom: #1b5685;
$custom-light: #6885a9;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5685",
  "rgb": {
    "r": 27,
    "g": 86,
    "b": 133
  },
  "hsl": {
    "h": 206.604,
    "s": 66.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.43976,
    "c": 0.09775,
    "h": 246.8
  },
  "luminance": 0.08582
}

Semantic roles & 50–950 ramp

primary

#1B5685

secondary

#B87744

accent

#8A3FE9

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#070B10

muted

#7A7C7F

Preview Lab

Preview with #1B5685

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

Preview Lab → · Contrast checker → · Palette generator →