#1E47B4#1E47B4

#1E47B4 is a dark, vivid blue. Relative luminance 0.081; OKLCH L 44.3% C 0.179 H 264.4°. Best body text is #FFFFFF at 8.03:1 contrast (WCAG AA passes).

Color values

HEX	#1E47B4
RGB	rgb(30, 71, 180)
HSL	hsl(224, 71%, 41%)
HSV	hsv(224, 83%, 71%)
CMYK	cmyk(83.3%, 60.6%, 0%, 29.4%)
CIE-LAB	lab(34.14, 27.71, -61.58)
CIE-LCH	lch(34.14, 67.53, 294.23°)
OKLab	oklab(44.25% -0.0175 -0.1782)
OKLCH	oklch(44.25% 0.179 264.4)
XYZ	xyz(11.0239, 8.0764, 44.1491)
Luminance	0.0808 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E47B4 #B48B1E

analogous

#1E92B4 #1E47B4 #401EB4

triadic

#1E47B4 #B41E47 #47B41E

tetradic

#1E47B4 #B41E92 #B48B1E #1EB440

square

#1E47B4 #B41E92 #B48B1E #1EB440

split-complementary

#1E47B4 #B4401E #92B41E

monochromatic

#0D1E4B #153280 #1E47B4 #3261DD #6789E6

Accessibility & contrast

On white

8.03

#1E47B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#1E47B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E47B4

8.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E47B4	#FFFFFF	#000000	##FFFFFF
##1E47B4	1.00	8.03	2.62	8.03
#FFFFFF	8.03	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057B8

Deuteranopia (green-blind)

#004AB2

Tritanopia (blue-blind)

#006376

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #1e47b4;
/* rgb */ color: rgb(30, 71, 180);
/* oklch */ color: oklch(44.3% 0.179 264.4);

Tailwind

colors: {
  custom: {
    50: '#7579cb',
    500: '#1e47b4',
    950: '#000000',
  },
}

SCSS

$custom: #1e47b4;
$custom-light: #7579cb;
$custom-dark: #000000;

JSON

{
  "hex": "#1e47b4",
  "rgb": {
    "r": 30,
    "g": 71,
    "b": 180
  },
  "hsl": {
    "h": 223.6,
    "s": 71.429,
    "l": 41.176
  },
  "oklch": {
    "l": 0.44252,
    "c": 0.17902,
    "h": 264.4
  },
  "luminance": 0.08078
}

Semantic roles & 50–950 ramp

primary

#1E47B4

secondary

#CBAE63

accent

#BD3AEE

background

#F7F7FC

surface

#EEEDF9

border

#C9C8D2

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #1E47B4

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

Preview Lab → · Contrast checker → · Palette generator →