#1E3483#1E3483

#1E3483 is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.0% C 0.136 H 267.2°. Best body text is #FFFFFF at 11.20:1 contrast (WCAG AA passes).

Color values

HEX	#1E3483
RGB	rgb(30, 52, 131)
HSL	hsl(227, 63%, 32%)
HSV	hsv(227, 77%, 51%)
CMYK	cmyk(77.1%, 60.3%, 0%, 48.6%)
CIE-LAB	lab(24.86, 21.39, -46.92)
CIE-LCH	lch(24.86, 51.57, 294.51°)
OKLab	oklab(36.03% -0.0065 -0.1354)
OKLCH	oklch(36.03% 0.136 267.2)
XYZ	xyz(5.8587, 4.3701, 22.0031)
Luminance	0.0437 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E3483 #836D1E

analogous

#1E6783 #1E3483 #3B1E83

triadic

#1E3483 #831E34 #34831E

tetradic

#1E3483 #831E67 #836D1E #1E833B

square

#1E3483 #831E67 #836D1E #1E833B

split-complementary

#1E3483 #833B1E #67831E

monochromatic

#070C1F #132051 #1E3483 #2948B5 #4766D5

Accessibility & contrast

On white

11.20

#1E3483 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#1E3483 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E3483

11.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E3483	#FFFFFF	#000000	##FFFFFF
##1E3483	1.00	11.20	1.87	11.20
#FFFFFF	11.20	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004086

Deuteranopia (green-blind)

#003681

Tritanopia (blue-blind)

#004856

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #1e3483;
/* rgb */ color: rgb(30, 52, 131);
/* oklch */ color: oklch(36.0% 0.136 267.2);

Tailwind

colors: {
  custom: {
    50: '#6a6ba8',
    500: '#1e3483',
    950: '#000000',
  },
}

SCSS

$custom: #1e3483;
$custom-light: #6a6ba8;
$custom-dark: #000000;

JSON

{
  "hex": "#1e3483",
  "rgb": {
    "r": 30,
    "g": 52,
    "b": 131
  },
  "hsl": {
    "h": 226.931,
    "s": 62.733,
    "l": 31.569
  },
  "oklch": {
    "l": 0.3603,
    "c": 0.13559,
    "h": 267.2
  },
  "luminance": 0.04371
}

Semantic roles & 50–950 ramp

primary

#1E3483

secondary

#B69E47

accent

#C242E6

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#070610

muted

#7A7A7F

Preview Lab

Preview with #1E3483

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

Preview Lab → · Contrast checker → · Palette generator →