#1B5786#1B5786

#1B5786 is a dark, moderate cyan. Relative luminance 0.088; OKLCH L 44.3% C 0.098 H 246.5°. Best body text is #FFFFFF at 7.62:1 contrast (WCAG AA passes).

Color values

HEX	#1B5786
RGB	rgb(27, 87, 134)
HSL	hsl(206, 66%, 32%)
HSV	hsv(206, 80%, 53%)
CMYK	cmyk(79.9%, 35.1%, 0%, 47.5%)
CIE-LAB	lab(35.54, -1.55, -31.64)
CIE-LCH	lch(35.54, 31.68, 267.19°)
OKLab	oklab(44.29% -0.0391 -0.0899)
OKLCH	oklch(44.29% 0.098 246.5)
XYZ	xyz(8.1616, 8.7697, 23.8122)
Luminance	0.0877 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5786 #864A1B

analogous

#1B8680 #1B5786 #1B2286

triadic

#1B5786 #861B57 #57861B

tetradic

#1B5786 #801B86 #864A1B #22861B

square

#1B5786 #801B86 #864A1B #22861B

split-complementary

#1B5786 #861B22 #86801B

monochromatic

#061520 #113653 #1B5786 #2578B9 #4297D9

Accessibility & contrast

On white

7.62

#1B5786 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#1B5786 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5786

7.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5786	#FFFFFF	#000000	##FFFFFF
##1B5786	1.00	7.62	2.75	7.62
#FFFFFF	7.62	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#415988

Deuteranopia (green-blind)

#324F85

Tritanopia (blue-blind)

#006268

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #1b5786;
/* rgb */ color: rgb(27, 87, 134);
/* oklch */ color: oklch(44.3% 0.098 246.5);

Tailwind

colors: {
  custom: {
    50: '#6986a9',
    500: '#1b5786',
    950: '#000000',
  },
}

SCSS

$custom: #1b5786;
$custom-light: #6986a9;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5786",
  "rgb": {
    "r": 27,
    "g": 87,
    "b": 134
  },
  "hsl": {
    "h": 206.355,
    "s": 66.46,
    "l": 31.569
  },
  "oklch": {
    "l": 0.44287,
    "c": 0.09808,
    "h": 246.5
  },
  "luminance": 0.08771
}

Semantic roles & 50–950 ramp

primary

#1B5786

secondary

#B97744

accent

#8A3EE9

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#070B10

muted

#7A7C7F

Preview Lab

Preview with #1B5786

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

Preview Lab → · Contrast checker → · Palette generator →