#1B2776#1B2776

#1B2776 is a dark, vivid blue. Relative luminance 0.030; OKLCH L 32.0% C 0.135 H 270.0°. Best body text is #FFFFFF at 13.14:1 contrast (WCAG AA passes).

Color values

HEX	#1B2776
RGB	rgb(27, 39, 118)
HSL	hsl(232, 63%, 28%)
HSV	hsv(232, 77%, 46%)
CMYK	cmyk(77.1%, 66.9%, 0%, 53.7%)
CIE-LAB	lab(20.01, 24.94, -46.61)
CIE-LCH	lch(20.01, 52.87, 298.15°)
OKLab	oklab(32.03% 0.0001 -0.1347)
OKLCH	oklch(32.03% 0.135 270)
XYZ	xyz(4.4464, 2.9916, 17.4791)
Luminance	0.0299 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B2776 #766A1B

analogous

#1B5476 #1B2776 #3C1B76

triadic

#1B2776 #761B27 #27761B

tetradic

#1B2776 #761B54 #766A1B #1B763C

square

#1B2776 #761B54 #766A1B #1B763C

split-complementary

#1B2776 #763C1B #54761B

monochromatic

#060819 #101744 #1B2776 #2637A8 #3A4ED2

Accessibility & contrast

On white

13.14

#1B2776 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#1B2776 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B2776

13.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B2776	#FFFFFF	#000000	##FFFFFF
##1B2776	1.00	13.14	1.60	13.14
#FFFFFF	13.14	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003579

Deuteranopia (green-blind)

#002C75

Tritanopia (blue-blind)

#003C4A

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #1b2776;
/* rgb */ color: rgb(27, 39, 118);
/* oklch */ color: oklch(32.0% 0.135 270.0);

Tailwind

colors: {
  custom: {
    50: '#67619e',
    500: '#1b2776',
    950: '#000000',
  },
}

SCSS

$custom: #1b2776;
$custom-light: #67619e;
$custom-dark: #000000;

JSON

{
  "hex": "#1b2776",
  "rgb": {
    "r": 27,
    "g": 39,
    "b": 118
  },
  "hsl": {
    "h": 232.088,
    "s": 62.759,
    "l": 28.431
  },
  "oklch": {
    "l": 0.32034,
    "c": 0.13475,
    "h": 270
  },
  "luminance": 0.02992
}

Semantic roles & 50–950 ramp

primary

#1B2776

secondary

#AA9D42

accent

#D042E6

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07050E

muted

#7A797E

Preview Lab

Preview with #1B2776

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

Preview Lab → · Contrast checker → · Palette generator →