#1E3983#1E3983

#1E3983 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.1% C 0.129 H 265.4°. Best body text is #FFFFFF at 10.67:1 contrast (WCAG AA passes).

Color values

HEX	#1E3983
RGB	rgb(30, 57, 131)
HSL	hsl(224, 63%, 32%)
HSV	hsv(224, 77%, 51%)
CMYK	cmyk(77.1%, 56.5%, 0%, 48.6%)
CIE-LAB	lab(26.27, 17.90, -44.62)
CIE-LCH	lch(26.27, 48.07, 291.86°)
OKLab	oklab(37.09% -0.0104 -0.1286)
OKLCH	oklch(37.09% 0.129 265.4)
XYZ	xyz(6.0938, 4.8403, 22.0814)
Luminance	0.0484 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E3983 #83681E

analogous

#1E6C83 #1E3983 #351E83

triadic

#1E3983 #831E39 #39831E

tetradic

#1E3983 #831E6C #83681E #1E8335

square

#1E3983 #831E6C #83681E #1E8335

split-complementary

#1E3983 #83351E #6C831E

monochromatic

#070E1F #132351 #1E3983 #294FB5 #476DD5

Accessibility & contrast

On white

10.67

#1E3983 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#1E3983 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E3983

10.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E3983	#FFFFFF	#000000	##FFFFFF
##1E3983	1.00	10.67	1.97	10.67
#FFFFFF	10.67	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004386

Deuteranopia (green-blind)

#003A82

Tritanopia (blue-blind)

#004B58

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #1e3983;
/* rgb */ color: rgb(30, 57, 131);
/* oklch */ color: oklch(37.1% 0.129 265.4);

Tailwind

colors: {
  custom: {
    50: '#6a6ea8',
    500: '#1e3983',
    950: '#000000',
  },
}

SCSS

$custom: #1e3983;
$custom-light: #6a6ea8;
$custom-dark: #000000;

JSON

{
  "hex": "#1e3983",
  "rgb": {
    "r": 30,
    "g": 57,
    "b": 131
  },
  "hsl": {
    "h": 223.96,
    "s": 62.733,
    "l": 31.569
  },
  "oklch": {
    "l": 0.37093,
    "c": 0.129,
    "h": 265.4
  },
  "luminance": 0.04841
}

Semantic roles & 50–950 ramp

primary

#1E3983

secondary

#B69847

accent

#BA42E6

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#070710

muted

#7A7A7F

Preview Lab

Preview with #1E3983

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

Preview Lab → · Contrast checker → · Palette generator →