#1E48BB#1E48BB

#1E48BB is a mid, vivid blue. Relative luminance 0.085; OKLCH L 45.1% C 0.187 H 264.5°. Best body text is #FFFFFF at 7.78:1 contrast (WCAG AA passes).

Color values

HEX	#1E48BB
RGB	rgb(30, 72, 187)
HSL	hsl(224, 72%, 43%)
HSV	hsv(224, 84%, 73%)
CMYK	cmyk(84%, 61.5%, 0%, 26.7%)
CIE-LAB	lab(35.00, 29.75, -64.31)
CIE-LCH	lch(35.00, 70.86, 294.83°)
OKLab	oklab(45.07% -0.0179 -0.1861)
OKLCH	oklch(45.07% 0.187 264.5)
XYZ	xyz(11.8192, 8.4971, 48.0213)
Luminance	0.0850 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E48BB #BB911E

analogous

#1E96BB #1E48BB #421EBB

triadic

#1E48BB #BB1E48 #48BB1E

tetradic

#1E48BB #BB1E96 #BB911E #1EBB42

square

#1E48BB #BB1E96 #BB911E #1EBB42

split-complementary

#1E48BB #BB421E #96BB1E

monochromatic

#0D1F52 #163486 #1E48BB #3764DF #6C8DE7

Accessibility & contrast

On white

7.78

#1E48BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#1E48BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E48BB

7.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E48BB	#FFFFFF	#000000	##FFFFFF
##1E48BB	1.00	7.78	2.70	7.78
#FFFFFF	7.78	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005ABF

Deuteranopia (green-blind)

#004BB9

Tritanopia (blue-blind)

#00667A

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #1e48bb;
/* rgb */ color: rgb(30, 72, 187);
/* oklch */ color: oklch(45.1% 0.187 264.5);

Tailwind

colors: {
  custom: {
    50: '#777ad0',
    500: '#1e48bb',
    950: '#000000',
  },
}

SCSS

$custom: #1e48bb;
$custom-light: #777ad0;
$custom-dark: #000000;

JSON

{
  "hex": "#1e48bb",
  "rgb": {
    "r": 30,
    "g": 72,
    "b": 187
  },
  "hsl": {
    "h": 223.949,
    "s": 72.35,
    "l": 42.549
  },
  "oklch": {
    "l": 0.45074,
    "c": 0.18701,
    "h": 264.5
  },
  "luminance": 0.08499
}

Semantic roles & 50–950 ramp

primary

#1E48BB

secondary

#CDB267

accent

#BE39EF

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0A0914

muted

#7C7B82

Preview Lab

Preview with #1E48BB

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

Preview Lab → · Contrast checker → · Palette generator →