#1E3684#1E3684

#1E3684 is a dark, vivid blue. Relative luminance 0.046; OKLCH L 36.5% C 0.134 H 266.6°. Best body text is #FFFFFF at 10.96:1 contrast (WCAG AA passes).

Color values

HEX	#1E3684
RGB	rgb(30, 54, 132)
HSL	hsl(226, 63%, 32%)
HSV	hsv(226, 77%, 52%)
CMYK	cmyk(77.3%, 59.1%, 0%, 48.2%)
CIE-LAB	lab(25.50, 20.40, -46.50)
CIE-LCH	lch(25.50, 50.77, 293.69°)
OKLab	oklab(36.54% -0.008 -0.1342)
OKLCH	oklch(36.54% 0.134 266.6)
XYZ	xyz(6.0180, 4.5796, 22.3921)
Luminance	0.0458 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E3684 #846C1E

analogous

#1E6984 #1E3684 #391E84

triadic

#1E3684 #841E36 #36841E

tetradic

#1E3684 #841E69 #846C1E #1E8439

square

#1E3684 #841E69 #846C1E #1E8439

split-complementary

#1E3684 #84391E #69841E

monochromatic

#070D20 #132252 #1E3684 #294AB6 #4769D5

Accessibility & contrast

On white

10.96

#1E3684 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#1E3684 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E3684

10.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E3684	#FFFFFF	#000000	##FFFFFF
##1E3684	1.00	10.96	1.92	10.96
#FFFFFF	10.96	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004187

Deuteranopia (green-blind)

#003882

Tritanopia (blue-blind)

#004957

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #1e3684;
/* rgb */ color: rgb(30, 54, 132);
/* oklch */ color: oklch(36.5% 0.134 266.6);

Tailwind

colors: {
  custom: {
    50: '#6a6ca8',
    500: '#1e3684',
    950: '#000000',
  },
}

SCSS

$custom: #1e3684;
$custom-light: #6a6ca8;
$custom-dark: #000000;

JSON

{
  "hex": "#1e3684",
  "rgb": {
    "r": 30,
    "g": 54,
    "b": 132
  },
  "hsl": {
    "h": 225.882,
    "s": 62.963,
    "l": 31.765
  },
  "oklch": {
    "l": 0.36537,
    "c": 0.1344,
    "h": 266.6
  },
  "luminance": 0.0458
}

Semantic roles & 50–950 ramp

primary

#1E3684

secondary

#B79D47

accent

#BF42E6

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#070710

muted

#7A7A7F

Preview Lab

Preview with #1E3684

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

Preview Lab → · Contrast checker → · Palette generator →