#1B4782#1B4782

#1B4782 is a dark, moderate cyan. Relative luminance 0.064; OKLCH L 40.1% C 0.110 H 256.9°. Best body text is #FFFFFF at 9.25:1 contrast (WCAG AA passes).

Color values

HEX	#1B4782
RGB	rgb(27, 71, 130)
HSL	hsl(214, 66%, 31%)
HSV	hsv(214, 79%, 51%)
CMYK	cmyk(79.2%, 45.4%, 0%, 49%)
CIE-LAB	lab(30.28, 7.40, -37.54)
CIE-LCH	lch(30.28, 38.26, 281.15°)
OKLab	oklab(40.1% -0.025 -0.1075)
OKLCH	oklch(40.1% 0.11 256.9)
XYZ	xyz(6.7330, 6.3504, 21.9857)
Luminance	0.0635 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4782 #82561B

analogous

#1B7A82 #1B4782 #221B82

triadic

#1B4782 #821B47 #47821B

tetradic

#1B4782 #821B7A #82561B #1B8222

square

#1B4782 #821B7A #82561B #1B8222

split-complementary

#1B4782 #82221B #7A821B

monochromatic

#06101D #102B4F #1B4782 #2663B5 #4081D7

Accessibility & contrast

On white

9.25

#1B4782 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#1B4782 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4782

9.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4782	#FFFFFF	#000000	##FFFFFF
##1B4782	1.00	9.25	2.27	9.25
#FFFFFF	9.25	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#294C84

Deuteranopia (green-blind)

#154381

Tritanopia (blue-blind)

#00555E

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #1b4782;
/* rgb */ color: rgb(27, 71, 130);
/* oklch */ color: oklch(40.1% 0.110 256.9);

Tailwind

colors: {
  custom: {
    50: '#6879a7',
    500: '#1b4782',
    950: '#000000',
  },
}

SCSS

$custom: #1b4782;
$custom-light: #6879a7;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4782",
  "rgb": {
    "r": 27,
    "g": 71,
    "b": 130
  },
  "hsl": {
    "h": 214.369,
    "s": 65.605,
    "l": 30.784
  },
  "oklch": {
    "l": 0.40102,
    "c": 0.11041,
    "h": 256.9
  },
  "luminance": 0.06351
}

Semantic roles & 50–950 ramp

primary

#1B4782

secondary

#B68543

accent

#A03FE9

background

#F6F7FA

surface

#EBEDF4

border

#C6C8CE

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #1B4782

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

Preview Lab → · Contrast checker → · Palette generator →