#1E188E#1E188E

#1E188E is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.5% C 0.181 H 272.2°. Best body text is #FFFFFF at 13.32:1 contrast (WCAG AA passes).

Color values

HEX	#1E188E
RGB	rgb(30, 24, 142)
HSL	hsl(243, 71%, 33%)
HSV	hsv(243, 83%, 56%)
CMYK	cmyk(78.9%, 83.1%, 0%, 44.3%)
CIE-LAB	lab(19.56, 42.91, -62.51)
CIE-LCH	lch(19.56, 75.82, 304.47°)
OKLab	oklab(32.54% 0.0069 -0.1809)
OKLCH	oklch(32.54% 0.181 272.2)
XYZ	xyz(5.7429, 2.8817, 25.8395)
Luminance	0.0288 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E188E #888E18

analogous

#184D8E #1E188E #59188E

triadic

#1E188E #8E1E18 #188E1E

tetradic

#1E188E #8E184D #888E18 #188E59

square

#1E188E #8E184D #888E18 #188E59

split-complementary

#1E188E #8E5918 #4D8E18

monochromatic

#080625 #130F5A #1E188E #2921C2 #4941DF

Accessibility & contrast

On white

13.32

#1E188E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#1E188E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E188E

13.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E188E	#FFFFFF	#000000	##FFFFFF
##1E188E	1.00	13.32	1.58	13.32
#FFFFFF	13.32	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003591

Deuteranopia (green-blind)

#00298C

Tritanopia (blue-blind)

#003D54

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #1e188e;
/* rgb */ color: rgb(30, 24, 142);
/* oklch */ color: oklch(32.5% 0.181 272.2);

Tailwind

colors: {
  custom: {
    50: '#7058b0',
    500: '#1e188e',
    950: '#000000',
  },
}

SCSS

$custom: #1e188e;
$custom-light: #7058b0;
$custom-dark: #000000;

JSON

{
  "hex": "#1e188e",
  "rgb": {
    "r": 30,
    "g": 24,
    "b": 142
  },
  "hsl": {
    "h": 243.051,
    "s": 71.084,
    "l": 32.549
  },
  "oklch": {
    "l": 0.32543,
    "c": 0.18101,
    "h": 272.2
  },
  "luminance": 0.02882
}

Semantic roles & 50–950 ramp

primary

#1E188E

secondary

#B9C042

accent

#EE3AE5

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #1E188E

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

Preview Lab → · Contrast checker → · Palette generator →