#1B4982#1B4982

#1B4982 is a dark, moderate cyan. Relative luminance 0.066; OKLCH L 40.6% C 0.108 H 255.6°. Best body text is #FFFFFF at 9.04:1 contrast (WCAG AA passes).

Color values

HEX	#1B4982
RGB	rgb(27, 73, 130)
HSL	hsl(213, 66%, 31%)
HSV	hsv(213, 79%, 51%)
CMYK	cmyk(79.2%, 43.8%, 0%, 49%)
CIE-LAB	lab(30.90, 6.05, -36.55)
CIE-LCH	lch(30.90, 37.05, 279.39°)
OKLab	oklab(40.58% -0.0268 -0.1046)
OKLCH	oklch(40.58% 0.108 255.6)
XYZ	xyz(6.8623, 6.6090, 22.0288)
Luminance	0.0661 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4982 #82541B

analogous

#1B7C82 #1B4982 #201B82

triadic

#1B4982 #821B49 #49821B

tetradic

#1B4982 #821B7C #82541B #1B8220

square

#1B4982 #821B7C #82541B #1B8220

split-complementary

#1B4982 #82201B #7C821B

monochromatic

#06101D #102D4F #1B4982 #2665B5 #4084D7

Accessibility & contrast

On white

9.04

#1B4982 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#1B4982 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4982

9.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4982	#FFFFFF	#000000	##FFFFFF
##1B4982	1.00	9.04	2.32	9.04
#FFFFFF	9.04	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D4E84

Deuteranopia (green-blind)

#1A4481

Tritanopia (blue-blind)

#00565F

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #1b4982;
/* rgb */ color: rgb(27, 73, 130);
/* oklch */ color: oklch(40.6% 0.108 255.6);

Tailwind

colors: {
  custom: {
    50: '#687ba7',
    500: '#1b4982',
    950: '#000000',
  },
}

SCSS

$custom: #1b4982;
$custom-light: #687ba7;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4982",
  "rgb": {
    "r": 27,
    "g": 73,
    "b": 130
  },
  "hsl": {
    "h": 213.204,
    "s": 65.605,
    "l": 30.784
  },
  "oklch": {
    "l": 0.40583,
    "c": 0.10797,
    "h": 255.6
  },
  "luminance": 0.0661
}

Semantic roles & 50–950 ramp

primary

#1B4982

secondary

#B68343

accent

#9D3FE9

background

#F6F7FA

surface

#EBEDF4

border

#C6C8CE

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #1B4982

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

Preview Lab → · Contrast checker → · Palette generator →