#1E43B2#1E43B2

#1E43B2 is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.3% C 0.181 H 265.1°. Best body text is #FFFFFF at 8.40:1 contrast (WCAG AA passes).

Color values

HEX	#1E43B2
RGB	rgb(30, 67, 178)
HSL	hsl(225, 71%, 41%)
HSV	hsv(225, 83%, 70%)
CMYK	cmyk(83.1%, 62.4%, 0%, 30.2%)
CIE-LAB	lab(32.93, 29.60, -62.38)
CIE-LCH	lch(32.93, 69.05, 295.38°)
OKLab	oklab(43.29% -0.0154 -0.1806)
OKLCH	oklch(43.29% 0.181 265.1)
XYZ	xyz(10.5756, 7.5034, 43.0018)
Luminance	0.0751 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E43B2 #B28D1E

analogous

#1E8DB2 #1E43B2 #431EB2

triadic

#1E43B2 #B21E43 #43B21E

tetradic

#1E43B2 #B21E8D #B28D1E #1EB243

square

#1E43B2 #B21E8D #B28D1E #1EB243

split-complementary

#1E43B2 #B2431E #8DB21E

monochromatic

#0C1C49 #152F7E #1E43B2 #315CDC #6585E5

Accessibility & contrast

On white

8.40

#1E43B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#1E43B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E43B2

8.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E43B2	#FFFFFF	#000000	##FFFFFF
##1E43B2	1.00	8.40	2.50	8.40
#FFFFFF	8.40	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055B6

Deuteranopia (green-blind)

#0047B0

Tritanopia (blue-blind)

#006074

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #1e43b2;
/* rgb */ color: rgb(30, 67, 178);
/* oklch */ color: oklch(43.3% 0.181 265.1);

Tailwind

colors: {
  custom: {
    50: '#7576ca',
    500: '#1e43b2',
    950: '#000000',
  },
}

SCSS

$custom: #1e43b2;
$custom-light: #7576ca;
$custom-dark: #000000;

JSON

{
  "hex": "#1e43b2",
  "rgb": {
    "r": 30,
    "g": 67,
    "b": 178
  },
  "hsl": {
    "h": 225,
    "s": 71.154,
    "l": 40.784
  },
  "oklch": {
    "l": 0.43294,
    "c": 0.18122,
    "h": 265.1
  },
  "luminance": 0.07505
}

Semantic roles & 50–950 ramp

primary

#1E43B2

secondary

#CAB062

accent

#C13AEE

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #1E43B2

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

Preview Lab → · Contrast checker → · Palette generator →