#1E188A#1E188A

#1E188A is a dark, vivid blue. Relative luminance 0.028; OKLCH L 32.1% C 0.176 H 272.6°. Best body text is #FFFFFF at 13.52:1 contrast (WCAG AA passes).

Color values

HEX	#1E188A
RGB	rgb(30, 24, 138)
HSL	hsl(243, 70%, 32%)
HSV	hsv(243, 83%, 54%)
CMYK	cmyk(78.3%, 82.6%, 0%, 45.9%)
CIE-LAB	lab(19.07, 41.61, -60.82)
CIE-LCH	lch(19.07, 73.70, 304.38°)
OKLab	oklab(32.06% 0.0079 -0.176)
OKLCH	oklch(32.06% 0.176 272.6)
XYZ	xyz(5.4480, 2.7637, 24.2861)
Luminance	0.0276 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E188A #848A18

analogous

#184B8A #1E188A #57188A

triadic

#1E188A #8A1E18 #188A1E

tetradic

#1E188A #8A184B #848A18 #188A57

square

#1E188A #8A184B #848A18 #188A57

split-complementary

#1E188A #8A5718 #4B8A18

monochromatic

#070622 #130F56 #1E188A #2921BE #473FDE

Accessibility & contrast

On white

13.52

#1E188A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#1E188A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E188A

13.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E188A	#FFFFFF	#000000	##FFFFFF
##1E188A	1.00	13.52	1.55	13.52
#FFFFFF	13.52	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00348D

Deuteranopia (green-blind)

#002988

Tritanopia (blue-blind)

#003C52

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1e188a;
/* rgb */ color: rgb(30, 24, 138);
/* oklch */ color: oklch(32.1% 0.176 272.6);

Tailwind

colors: {
  custom: {
    50: '#6f58ad',
    500: '#1e188a',
    950: '#000000',
  },
}

SCSS

$custom: #1e188a;
$custom-light: #6f58ad;
$custom-dark: #000000;

JSON

{
  "hex": "#1e188a",
  "rgb": {
    "r": 30,
    "g": 24,
    "b": 138
  },
  "hsl": {
    "h": 243.158,
    "s": 70.37,
    "l": 31.765
  },
  "oklch": {
    "l": 0.32059,
    "c": 0.17618,
    "h": 272.6
  },
  "luminance": 0.02764
}

Semantic roles & 50–950 ramp

primary

#1E188A

secondary

#B7BD40

accent

#ED3BE4

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090310

muted

#7B787F

Preview Lab

Preview with #1E188A

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

Preview Lab → · Contrast checker → · Palette generator →