#1E188C#1E188C

#1E188C is a dark, vivid blue. Relative luminance 0.028; OKLCH L 32.3% C 0.179 H 272.4°. Best body text is #FFFFFF at 13.42:1 contrast (WCAG AA passes).

Color values

HEX	#1E188C
RGB	rgb(30, 24, 140)
HSL	hsl(243, 71%, 32%)
HSV	hsv(243, 83%, 55%)
CMYK	cmyk(78.6%, 82.9%, 0%, 45.1%)
CIE-LAB	lab(19.32, 42.26, -61.67)
CIE-LCH	lch(19.32, 74.76, 304.42°)
OKLab	oklab(32.3% 0.0074 -0.1784)
OKLCH	oklch(32.3% 0.179 272.4)
XYZ	xyz(5.5941, 2.8221, 25.0558)
Luminance	0.0282 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E188C #868C18

analogous

#184C8C #1E188C #58188C

triadic

#1E188C #8C1E18 #188C1E

tetradic

#1E188C #8C184C #868C18 #188C58

square

#1E188C #8C184C #868C18 #188C58

split-complementary

#1E188C #8C5818 #4C8C18

monochromatic

#080624 #130F58 #1E188C #2921C0 #4840DE

Accessibility & contrast

On white

13.42

#1E188C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#1E188C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E188C

13.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E188C	#FFFFFF	#000000	##FFFFFF
##1E188C	1.00	13.42	1.56	13.42
#FFFFFF	13.42	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00348F

Deuteranopia (green-blind)

#00298A

Tritanopia (blue-blind)

#003D53

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #1e188c;
/* rgb */ color: rgb(30, 24, 140);
/* oklch */ color: oklch(32.3% 0.179 272.4);

Tailwind

colors: {
  custom: {
    50: '#6f58af',
    500: '#1e188c',
    950: '#000000',
  },
}

SCSS

$custom: #1e188c;
$custom-light: #6f58af;
$custom-dark: #000000;

JSON

{
  "hex": "#1e188c",
  "rgb": {
    "r": 30,
    "g": 24,
    "b": 140
  },
  "hsl": {
    "h": 243.103,
    "s": 70.732,
    "l": 32.157
  },
  "oklch": {
    "l": 0.32301,
    "c": 0.17859,
    "h": 272.4
  },
  "luminance": 0.02823
}

Semantic roles & 50–950 ramp

primary

#1E188C

secondary

#B8BF41

accent

#ED3AE4

background

#F7F5FA

surface

#EDE9F5

border

#C8C5CF

text

#090311

muted

#7B7880

Preview Lab

Preview with #1E188C

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

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