#1E188F#1E188F

#1E188F is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.7% C 0.182 H 272.1°. Best body text is #FFFFFF at 13.27:1 contrast (WCAG AA passes).

Color values

HEX	#1E188F
RGB	rgb(30, 24, 143)
HSL	hsl(243, 71%, 33%)
HSV	hsv(243, 83%, 56%)
CMYK	cmyk(79%, 83.2%, 0%, 43.9%)
CIE-LAB	lab(19.69, 43.23, -62.93)
CIE-LCH	lch(19.69, 76.35, 304.49°)
OKLab	oklab(32.66% 0.0066 -0.1821)
OKLCH	oklch(32.66% 0.182 272.1)
XYZ	xyz(5.8183, 2.9118, 26.2367)
Luminance	0.0291 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E188F #898F18

analogous

#184E8F #1E188F #59188F

triadic

#1E188F #8F1E18 #188F1E

tetradic

#1E188F #8F184E #898F18 #188F59

square

#1E188F #8F184E #898F18 #188F59

split-complementary

#1E188F #8F5918 #4E8F18

monochromatic

#080626 #130F5B #1E188F #2921C3 #4A42DF

Accessibility & contrast

On white

13.27

#1E188F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#1E188F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E188F

13.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E188F	#FFFFFF	#000000	##FFFFFF
##1E188F	1.00	13.27	1.58	13.27
#FFFFFF	13.27	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003592

Deuteranopia (green-blind)

#002A8D

Tritanopia (blue-blind)

#003E55

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #1e188f;
/* rgb */ color: rgb(30, 24, 143);
/* oklch */ color: oklch(32.7% 0.182 272.1);

Tailwind

colors: {
  custom: {
    50: '#7059b1',
    500: '#1e188f',
    950: '#000000',
  },
}

SCSS

$custom: #1e188f;
$custom-light: #7059b1;
$custom-dark: #000000;

JSON

{
  "hex": "#1e188f",
  "rgb": {
    "r": 30,
    "g": 24,
    "b": 143
  },
  "hsl": {
    "h": 243.025,
    "s": 71.257,
    "l": 32.745
  },
  "oklch": {
    "l": 0.32664,
    "c": 0.18221,
    "h": 272.1
  },
  "luminance": 0.02912
}

Semantic roles & 50–950 ramp

primary

#1E188F

secondary

#BAC043

accent

#EE3AE5

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #1E188F

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

Preview Lab → · Contrast checker → · Palette generator →