#1E3699#1E3699

#1E3699 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.5% C 0.164 H 267.2°. Best body text is #FFFFFF at 10.28:1 contrast (WCAG AA passes).

Color values

HEX	#1E3699
RGB	rgb(30, 54, 153)
HSL	hsl(228, 67%, 36%)
HSV	hsv(228, 80%, 60%)
CMYK	cmyk(80.4%, 64.7%, 0%, 40%)
CIE-LAB	lab(27.33, 28.64, -56.48)
CIE-LCH	lch(27.33, 63.33, 296.89°)
OKLab	oklab(38.47% -0.0079 -0.1635)
OKLCH	oklch(38.47% 0.164 267.2)
XYZ	xyz(7.6024, 5.2134, 30.7364)
Luminance	0.0521 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E3699 #99811E

analogous

#1E7399 #1E3699 #441E99

triadic

#1E3699 #991E36 #36991E

tetradic

#1E3699 #991E73 #99811E #1E9944

square

#1E3699 #991E73 #99811E #1E9944

split-complementary

#1E3699 #99441E #73991E

monochromatic

#0A1233 #142466 #1E3699 #2848CC #546FDD

Accessibility & contrast

On white

10.28

#1E3699 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#1E3699 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E3699

10.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E3699	#FFFFFF	#000000	##FFFFFF
##1E3699	1.00	10.28	2.04	10.28
#FFFFFF	10.28	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00469C

Deuteranopia (green-blind)

#003B97

Tritanopia (blue-blind)

#005062

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #1e3699;
/* rgb */ color: rgb(30, 54, 153);
/* oklch */ color: oklch(38.5% 0.164 267.2);

Tailwind

colors: {
  custom: {
    50: '#706cb8',
    500: '#1e3699',
    950: '#000000',
  },
}

SCSS

$custom: #1e3699;
$custom-light: #706cb8;
$custom-dark: #000000;

JSON

{
  "hex": "#1e3699",
  "rgb": {
    "r": 30,
    "g": 54,
    "b": 153
  },
  "hsl": {
    "h": 228.293,
    "s": 67.213,
    "l": 35.882
  },
  "oklch": {
    "l": 0.38468,
    "c": 0.16364,
    "h": 267.2
  },
  "luminance": 0.05214
}

Semantic roles & 50–950 ramp

primary

#1E3699

secondary

#C1AB52

accent

#C83EEA

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #1E3699

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

Preview Lab → · Contrast checker → · Palette generator →