#1E3780#1E3780

#1E3780 is a dark, vivid blue. Relative luminance 0.046; OKLCH L 36.4% C 0.127 H 265.9°. Best body text is #FFFFFF at 10.98:1 contrast (WCAG AA passes).

Color values

HEX	#1E3780
RGB	rgb(30, 55, 128)
HSL	hsl(225, 62%, 31%)
HSV	hsv(225, 77%, 50%)
CMYK	cmyk(76.6%, 57%, 0%, 49.8%)
CIE-LAB	lab(25.46, 18.10, -44.06)
CIE-LCH	lch(25.46, 47.63, 292.33°)
OKLab	oklab(36.41% -0.009 -0.127)
OKLCH	oklch(36.41% 0.127 265.9)
XYZ	xyz(5.7965, 4.5663, 20.9938)
Luminance	0.0457 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E3780 #80671E

analogous

#1E6880 #1E3780 #361E80

triadic

#1E3780 #801E37 #37801E

tetradic

#1E3780 #801E68 #80671E #1E8036

square

#1E3780 #801E68 #80671E #1E8036

split-complementary

#1E3780 #80361E #68801E

monochromatic

#070C1D #12224E #1E3780 #2A4CB2 #4569D3

Accessibility & contrast

On white

10.98

#1E3780 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#1E3780 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E3780

10.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E3780	#FFFFFF	#000000	##FFFFFF
##1E3780	1.00	10.98	1.91	10.98
#FFFFFF	10.98	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	10.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004183

Deuteranopia (green-blind)

#00387F

Tritanopia (blue-blind)

#004956

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #1e3780;
/* rgb */ color: rgb(30, 55, 128);
/* oklch */ color: oklch(36.4% 0.127 265.9);

Tailwind

colors: {
  custom: {
    50: '#696da5',
    500: '#1e3780',
    950: '#000000',
  },
}

SCSS

$custom: #1e3780;
$custom-light: #696da5;
$custom-dark: #000000;

JSON

{
  "hex": "#1e3780",
  "rgb": {
    "r": 30,
    "g": 55,
    "b": 128
  },
  "hsl": {
    "h": 224.694,
    "s": 62.025,
    "l": 30.98
  },
  "oklch": {
    "l": 0.36405,
    "c": 0.12729,
    "h": 265.9
  },
  "luminance": 0.04567
}

Semantic roles & 50–950 ramp

primary

#1E3780

secondary

#B39747

accent

#BC43E5

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #1E3780

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

Preview Lab → · Contrast checker → · Palette generator →