#1B5982#1B5982

#1B5982 is a dark, moderate cyan. Relative luminance 0.090; OKLCH L 44.6% C 0.091 H 242.3°. Best body text is #FFFFFF at 7.51:1 contrast (WCAG AA passes).

Color values

HEX	#1B5982
RGB	rgb(27, 89, 130)
HSL	hsl(204, 66%, 31%)
HSV	hsv(204, 79%, 51%)
CMYK	cmyk(79.2%, 31.5%, 0%, 49%)
CIE-LAB	lab(35.96, -4.38, -28.52)
CIE-LCH	lch(35.96, 28.85, 261.27°)
OKLab	oklab(44.55% -0.0424 -0.0808)
OKLCH	oklch(44.55% 0.091 242.3)
XYZ	xyz(8.0521, 8.9885, 22.4253)
Luminance	0.0899 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5982 #82441B

analogous

#1B8277 #1B5982 #1B2682

triadic

#1B5982 #821B59 #59821B

tetradic

#1B5982 #771B82 #82441B #26821B

square

#1B5982 #771B82 #82441B #26821B

split-complementary

#1B5982 #821B26 #82771B

monochromatic

#06141D #10364F #1B5982 #267CB5 #409BD7

Accessibility & contrast

On white

7.51

#1B5982 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#1B5982 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5982

7.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5982	#FFFFFF	#000000	##FFFFFF
##1B5982	1.00	7.51	2.80	7.51
#FFFFFF	7.51	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#465A84

Deuteranopia (green-blind)

#385081

Tritanopia (blue-blind)

#006367

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #1b5982;
/* rgb */ color: rgb(27, 89, 130);
/* oklch */ color: oklch(44.6% 0.091 242.3);

Tailwind

colors: {
  custom: {
    50: '#6887a6',
    500: '#1b5982',
    950: '#000000',
  },
}

SCSS

$custom: #1b5982;
$custom-light: #6887a6;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5982",
  "rgb": {
    "r": 27,
    "g": 89,
    "b": 130
  },
  "hsl": {
    "h": 203.883,
    "s": 65.605,
    "l": 30.784
  },
  "oklch": {
    "l": 0.44553,
    "c": 0.09124,
    "h": 242.3
  },
  "luminance": 0.08989
}

Semantic roles & 50–950 ramp

primary

#1B5982

secondary

#B67143

accent

#833FE9

background

#F6F8FA

surface

#EBEFF4

border

#C6CACE

text

#070B0F

muted

#7A7C7F

Preview Lab

Preview with #1B5982

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

Preview Lab → · Contrast checker → · Palette generator →