#1B4682#1B4682

#1B4682 is a dark, moderate cyan. Relative luminance 0.062; OKLCH L 39.9% C 0.112 H 257.5°. Best body text is #FFFFFF at 9.35:1 contrast (WCAG AA passes).

Color values

HEX	#1B4682
RGB	rgb(27, 70, 130)
HSL	hsl(215, 66%, 31%)
HSV	hsv(215, 79%, 51%)
CMYK	cmyk(79.2%, 46.2%, 0%, 49%)
CIE-LAB	lab(29.97, 8.08, -38.04)
CIE-LCH	lch(29.97, 38.88, 282.00°)
OKLab	oklab(39.86% -0.0241 -0.109)
OKLCH	oklch(39.86% 0.112 257.5)
XYZ	xyz(6.6699, 6.2243, 21.9646)
Luminance	0.0622 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4682 #82571B

analogous

#1B7982 #1B4682 #231B82

triadic

#1B4682 #821B46 #46821B

tetradic

#1B4682 #821B79 #82571B #1B8223

square

#1B4682 #821B79 #82571B #1B8223

split-complementary

#1B4682 #82231B #79821B

monochromatic

#060F1D #102B4F #1B4682 #2661B5 #407FD7

Accessibility & contrast

On white

9.35

#1B4682 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#1B4682 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4682

9.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4682	#FFFFFF	#000000	##FFFFFF
##1B4682	1.00	9.35	2.25	9.35
#FFFFFF	9.35	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#274C84

Deuteranopia (green-blind)

#124281

Tritanopia (blue-blind)

#00545D

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #1b4682;
/* rgb */ color: rgb(27, 70, 130);
/* oklch */ color: oklch(39.9% 0.112 257.5);

Tailwind

colors: {
  custom: {
    50: '#6878a7',
    500: '#1b4682',
    950: '#000000',
  },
}

SCSS

$custom: #1b4682;
$custom-light: #6878a7;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4682",
  "rgb": {
    "r": 27,
    "g": 70,
    "b": 130
  },
  "hsl": {
    "h": 214.951,
    "s": 65.605,
    "l": 30.784
  },
  "oklch": {
    "l": 0.39863,
    "c": 0.11164,
    "h": 257.5
  },
  "luminance": 0.06225
}

Semantic roles & 50–950 ramp

primary

#1B4682

secondary

#B68643

accent

#A23FE9

background

#F6F7FA

surface

#EBEDF4

border

#C6C8CE

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #1B4682

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

Preview Lab → · Contrast checker → · Palette generator →