#1B4882#1B4882

#1B4882 is a dark, moderate cyan. Relative luminance 0.065; OKLCH L 40.3% C 0.109 H 256.3°. Best body text is #FFFFFF at 9.15:1 contrast (WCAG AA passes).

Color values

HEX	#1B4882
RGB	rgb(27, 72, 130)
HSL	hsl(214, 66%, 31%)
HSV	hsv(214, 79%, 51%)
CMYK	cmyk(79.2%, 44.6%, 0%, 49%)
CIE-LAB	lab(30.59, 6.72, -37.05)
CIE-LCH	lch(30.59, 37.65, 280.28°)
OKLab	oklab(40.34% -0.0259 -0.1061)
OKLCH	oklch(40.34% 0.109 256.3)
XYZ	xyz(6.7971, 6.4787, 22.0070)
Luminance	0.0648 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4882 #82551B

analogous

#1B7B82 #1B4882 #211B82

triadic

#1B4882 #821B48 #48821B

tetradic

#1B4882 #821B7B #82551B #1B8221

square

#1B4882 #821B7B #82551B #1B8221

split-complementary

#1B4882 #82211B #7B821B

monochromatic

#06101D #102C4F #1B4882 #2664B5 #4082D7

Accessibility & contrast

On white

9.15

#1B4882 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#1B4882 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4882

9.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4882	#FFFFFF	#000000	##FFFFFF
##1B4882	1.00	9.15	2.30	9.15
#FFFFFF	9.15	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B4D84

Deuteranopia (green-blind)

#184481

Tritanopia (blue-blind)

#00565E

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #1b4882;
/* rgb */ color: rgb(27, 72, 130);
/* oklch */ color: oklch(40.3% 0.109 256.3);

Tailwind

colors: {
  custom: {
    50: '#687aa7',
    500: '#1b4882',
    950: '#000000',
  },
}

SCSS

$custom: #1b4882;
$custom-light: #687aa7;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4882",
  "rgb": {
    "r": 27,
    "g": 72,
    "b": 130
  },
  "hsl": {
    "h": 213.786,
    "s": 65.605,
    "l": 30.784
  },
  "oklch": {
    "l": 0.40342,
    "c": 0.10918,
    "h": 256.3
  },
  "luminance": 0.06479
}

Semantic roles & 50–950 ramp

primary

#1B4882

secondary

#B68443

accent

#9F3FE9

background

#F6F7FA

surface

#EBEDF4

border

#C6C8CE

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #1B4882

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

Preview Lab → · Contrast checker → · Palette generator →