#1E3584#1E3584

#1E3584 is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.3% C 0.136 H 266.9°. Best body text is #FFFFFF at 11.07:1 contrast (WCAG AA passes).

Color values

HEX	#1E3584
RGB	rgb(30, 53, 132)
HSL	hsl(226, 63%, 32%)
HSV	hsv(226, 77%, 52%)
CMYK	cmyk(77.3%, 59.8%, 0%, 48.2%)
CIE-LAB	lab(25.22, 21.09, -46.95)
CIE-LCH	lch(25.22, 51.47, 294.19°)
OKLab	oklab(36.33% -0.0072 -0.1355)
OKLCH	oklch(36.33% 0.136 266.9)
XYZ	xyz(5.9719, 4.4875, 22.3768)
Luminance	0.0449 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E3584 #846D1E

analogous

#1E6884 #1E3584 #3A1E84

triadic

#1E3584 #841E35 #35841E

tetradic

#1E3584 #841E68 #846D1E #1E843A

square

#1E3584 #841E68 #846D1E #1E843A

split-complementary

#1E3584 #843A1E #68841E

monochromatic

#070D20 #132152 #1E3584 #2949B6 #4767D5

Accessibility & contrast

On white

11.07

#1E3584 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#1E3584 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E3584

11.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E3584	#FFFFFF	#000000	##FFFFFF
##1E3584	1.00	11.07	1.90	11.07
#FFFFFF	11.07	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004187

Deuteranopia (green-blind)

#003782

Tritanopia (blue-blind)

#004957

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #1e3584;
/* rgb */ color: rgb(30, 53, 132);
/* oklch */ color: oklch(36.3% 0.136 266.9);

Tailwind

colors: {
  custom: {
    50: '#6a6ba8',
    500: '#1e3584',
    950: '#000000',
  },
}

SCSS

$custom: #1e3584;
$custom-light: #6a6ba8;
$custom-dark: #000000;

JSON

{
  "hex": "#1e3584",
  "rgb": {
    "r": 30,
    "g": 53,
    "b": 132
  },
  "hsl": {
    "h": 226.471,
    "s": 62.963,
    "l": 31.765
  },
  "oklch": {
    "l": 0.36327,
    "c": 0.13571,
    "h": 266.9
  },
  "luminance": 0.04488
}

Semantic roles & 50–950 ramp

primary

#1E3584

secondary

#B79E47

accent

#C142E6

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#070610

muted

#7A7A7F

Preview Lab

Preview with #1E3584

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

Preview Lab → · Contrast checker → · Palette generator →