#1B2E84#1B2E84

#1B2E84 is a dark, vivid blue. Relative luminance 0.039; OKLCH L 34.8% C 0.146 H 268.0°. Best body text is #FFFFFF at 11.86:1 contrast (WCAG AA passes).

Color values

HEX	#1B2E84
RGB	rgb(27, 46, 132)
HSL	hsl(229, 66%, 31%)
HSV	hsv(229, 80%, 52%)
CMYK	cmyk(79.5%, 65.2%, 0%, 48.2%)
CIE-LAB	lab(23.18, 25.61, -50.30)
CIE-LCH	lch(23.18, 56.44, 296.98°)
OKLab	oklab(34.77% -0.0051 -0.1455)
OKLCH	oklch(34.77% 0.146 268)
XYZ	xyz(5.5924, 3.8523, 22.2742)
Luminance	0.0385 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B2E84 #84711B

analogous

#1B6284 #1B2E84 #3C1B84

triadic

#1B2E84 #841B2E #2E841B

tetradic

#1B2E84 #841B62 #84711B #1B843C

square

#1B2E84 #841B62 #84711B #1B843C

split-complementary

#1B2E84 #843C1B #62841B

monochromatic

#060B1E #111C51 #1B2E84 #2540B7 #415DD8

Accessibility & contrast

On white

11.86

#1B2E84 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#1B2E84 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B2E84

11.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B2E84	#FFFFFF	#000000	##FFFFFF
##1B2E84	1.00	11.86	1.77	11.86
#FFFFFF	11.86	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C87

Deuteranopia (green-blind)

#003282

Tritanopia (blue-blind)

#004454

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #1b2e84;
/* rgb */ color: rgb(27, 46, 132);
/* oklch */ color: oklch(34.8% 0.146 268.0);

Tailwind

colors: {
  custom: {
    50: '#6a66a9',
    500: '#1b2e84',
    950: '#000000',
  },
}

SCSS

$custom: #1b2e84;
$custom-light: #6a66a9;
$custom-dark: #000000;

JSON

{
  "hex": "#1b2e84",
  "rgb": {
    "r": 27,
    "g": 46,
    "b": 132
  },
  "hsl": {
    "h": 229.143,
    "s": 66.038,
    "l": 31.176
  },
  "oklch": {
    "l": 0.3477,
    "c": 0.14557,
    "h": 268
  },
  "luminance": 0.03853
}

Semantic roles & 50–950 ramp

primary

#1B2E84

secondary

#B7A243

accent

#CA3FE9

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#070610

muted

#7A7A7F

Preview Lab

Preview with #1B2E84

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

Preview Lab → · Contrast checker → · Palette generator →