#1E3883#1E3883

#1E3883 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 36.9% C 0.130 H 265.8°. Best body text is #FFFFFF at 10.78:1 contrast (WCAG AA passes).

Color values

HEX	#1E3883
RGB	rgb(30, 56, 131)
HSL	hsl(225, 63%, 32%)
HSV	hsv(225, 77%, 51%)
CMYK	cmyk(77.1%, 57.3%, 0%, 48.6%)
CIE-LAB	lab(25.99, 18.60, -45.08)
CIE-LCH	lch(25.99, 48.77, 292.42°)
OKLab	oklab(36.88% -0.0096 -0.13)
OKLCH	oklch(36.88% 0.13 265.8)
XYZ	xyz(6.0449, 4.7424, 22.0651)
Luminance	0.0474 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E3883 #83691E

analogous

#1E6B83 #1E3883 #361E83

triadic

#1E3883 #831E38 #38831E

tetradic

#1E3883 #831E6B #83691E #1E8336

square

#1E3883 #831E6B #83691E #1E8336

split-complementary

#1E3883 #83361E #6B831E

monochromatic

#070D1F #132351 #1E3883 #294DB5 #476BD5

Accessibility & contrast

On white

10.78

#1E3883 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#1E3883 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E3883

10.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E3883	#FFFFFF	#000000	##FFFFFF
##1E3883	1.00	10.78	1.95	10.78
#FFFFFF	10.78	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004286

Deuteranopia (green-blind)

#003982

Tritanopia (blue-blind)

#004A57

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #1e3883;
/* rgb */ color: rgb(30, 56, 131);
/* oklch */ color: oklch(36.9% 0.130 265.8);

Tailwind

colors: {
  custom: {
    50: '#6a6ea8',
    500: '#1e3883',
    950: '#000000',
  },
}

SCSS

$custom: #1e3883;
$custom-light: #6a6ea8;
$custom-dark: #000000;

JSON

{
  "hex": "#1e3883",
  "rgb": {
    "r": 30,
    "g": 56,
    "b": 131
  },
  "hsl": {
    "h": 224.554,
    "s": 62.733,
    "l": 31.569
  },
  "oklch": {
    "l": 0.36877,
    "c": 0.13033,
    "h": 265.8
  },
  "luminance": 0.04743
}

Semantic roles & 50–950 ramp

primary

#1E3883

secondary

#B69947

accent

#BC42E6

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#070710

muted

#7A7A7F

Preview Lab

Preview with #1E3883

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

Preview Lab → · Contrast checker → · Palette generator →