#1B2682#1B2682

#1B2682 is a dark, vivid blue. Relative luminance 0.032; OKLCH L 33.1% C 0.153 H 269.9°. Best body text is #FFFFFF at 12.76:1 contrast (WCAG AA passes).

Color values

HEX	#1B2682
RGB	rgb(27, 38, 130)
HSL	hsl(234, 66%, 31%)
HSV	hsv(234, 79%, 51%)
CMYK	cmyk(79.2%, 70.8%, 0%, 49%)
CIE-LAB	lab(20.94, 30.24, -52.70)
CIE-LCH	lch(20.94, 60.77, 299.85°)
OKLab	oklab(33.08% -0.0002 -0.1526)
OKLCH	oklch(33.08% 0.153 269.9)
XYZ	xyz(5.1730, 3.2304, 21.4657)
Luminance	0.0323 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B2682 #82771B

analogous

#1B5982 #1B2682 #431B82

triadic

#1B2682 #821B26 #26821B

tetradic

#1B2682 #821B59 #82771B #1B8243

square

#1B2682 #821B59 #82771B #1B8243

split-complementary

#1B2682 #82431B #59821B

monochromatic

#06081D #10174F #1B2682 #2635B5 #4050D7

Accessibility & contrast

On white

12.76

#1B2682 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#1B2682 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B2682

12.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B2682	#FFFFFF	#000000	##FFFFFF
##1B2682	1.00	12.76	1.65	12.76
#FFFFFF	12.76	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003785

Deuteranopia (green-blind)

#002D80

Tritanopia (blue-blind)

#003F51

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #1b2682;
/* rgb */ color: rgb(27, 38, 130);
/* oklch */ color: oklch(33.1% 0.153 269.9);

Tailwind

colors: {
  custom: {
    50: '#6a60a7',
    500: '#1b2682',
    950: '#000000',
  },
}

SCSS

$custom: #1b2682;
$custom-light: #6a60a7;
$custom-dark: #000000;

JSON

{
  "hex": "#1b2682",
  "rgb": {
    "r": 27,
    "g": 38,
    "b": 130
  },
  "hsl": {
    "h": 233.592,
    "s": 65.605,
    "l": 30.784
  },
  "oklch": {
    "l": 0.33077,
    "c": 0.15257,
    "h": 269.9
  },
  "luminance": 0.03231
}

Semantic roles & 50–950 ramp

primary

#1B2682

secondary

#B6A943

accent

#D63FE9

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#080510

muted

#7A797F

Preview Lab

Preview with #1B2682

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

Preview Lab → · Contrast checker → · Palette generator →