#1E188D#1E188D

#1E188D is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.4% C 0.180 H 272.3°. Best body text is #FFFFFF at 13.37:1 contrast (WCAG AA passes).

Color values

HEX	#1E188D
RGB	rgb(30, 24, 141)
HSL	hsl(243, 71%, 32%)
HSV	hsv(243, 83%, 55%)
CMYK	cmyk(78.7%, 83%, 0%, 44.7%)
CIE-LAB	lab(19.44, 42.59, -62.09)
CIE-LCH	lch(19.44, 75.29, 304.45°)
OKLab	oklab(32.42% 0.0071 -0.1797)
OKLCH	oklch(32.42% 0.18 272.3)
XYZ	xyz(5.6682, 2.8518, 25.4459)
Luminance	0.0285 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E188D #878D18

analogous

#184C8D #1E188D #59188D

triadic

#1E188D #8D1E18 #188D1E

tetradic

#1E188D #8D184C #878D18 #188D59

square

#1E188D #8D184C #878D18 #188D59

split-complementary

#1E188D #8D5918 #4C8D18

monochromatic

#080624 #130F59 #1E188D #2921C1 #4941DF

Accessibility & contrast

On white

13.37

#1E188D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#1E188D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E188D

13.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E188D	#FFFFFF	#000000	##FFFFFF
##1E188D	1.00	13.37	1.57	13.37
#FFFFFF	13.37	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003590

Deuteranopia (green-blind)

#00298B

Tritanopia (blue-blind)

#003D53

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #1e188d;
/* rgb */ color: rgb(30, 24, 141);
/* oklch */ color: oklch(32.4% 0.180 272.3);

Tailwind

colors: {
  custom: {
    50: '#6f58b0',
    500: '#1e188d',
    950: '#000000',
  },
}

SCSS

$custom: #1e188d;
$custom-light: #6f58b0;
$custom-dark: #000000;

JSON

{
  "hex": "#1e188d",
  "rgb": {
    "r": 30,
    "g": 24,
    "b": 141
  },
  "hsl": {
    "h": 243.077,
    "s": 70.909,
    "l": 32.353
  },
  "oklch": {
    "l": 0.32422,
    "c": 0.1798,
    "h": 272.3
  },
  "luminance": 0.02852
}

Semantic roles & 50–950 ramp

primary

#1E188D

secondary

#B9BF42

accent

#EE3AE4

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090311

muted

#7B7880

Preview Lab

Preview with #1E188D

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

Preview Lab → · Contrast checker → · Palette generator →