#1E3899#1E3899

#1E3899 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.9% C 0.161 H 266.8°. Best body text is #FFFFFF at 10.09:1 contrast (WCAG AA passes).

Color values

HEX	#1E3899
RGB	rgb(30, 56, 153)
HSL	hsl(227, 67%, 36%)
HSV	hsv(227, 80%, 60%)
CMYK	cmyk(80.4%, 63.4%, 0%, 40%)
CIE-LAB	lab(27.85, 27.30, -55.63)
CIE-LCH	lch(27.85, 61.97, 296.14°)
OKLab	oklab(38.85% -0.0091 -0.1609)
OKLCH	oklch(38.85% 0.161 266.8)
XYZ	xyz(7.6974, 5.4034, 30.7681)
Luminance	0.0540 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E3899 #997F1E

analogous

#1E7599 #1E3899 #411E99

triadic

#1E3899 #991E38 #38991E

tetradic

#1E3899 #991E75 #997F1E #1E9941

square

#1E3899 #991E75 #997F1E #1E9941

split-complementary

#1E3899 #99411E #75991E

monochromatic

#0A1333 #142566 #1E3899 #284BCC #5471DD

Accessibility & contrast

On white

10.09

#1E3899 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#1E3899 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E3899

10.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E3899	#FFFFFF	#000000	##FFFFFF
##1E3899	1.00	10.09	2.08	10.09
#FFFFFF	10.09	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00489C

Deuteranopia (green-blind)

#003C97

Tritanopia (blue-blind)

#005163

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #1e3899;
/* rgb */ color: rgb(30, 56, 153);
/* oklch */ color: oklch(38.9% 0.161 266.8);

Tailwind

colors: {
  custom: {
    50: '#6f6eb8',
    500: '#1e3899',
    950: '#000000',
  },
}

SCSS

$custom: #1e3899;
$custom-light: #6f6eb8;
$custom-dark: #000000;

JSON

{
  "hex": "#1e3899",
  "rgb": {
    "r": 30,
    "g": 56,
    "b": 153
  },
  "hsl": {
    "h": 227.317,
    "s": 67.213,
    "l": 35.882
  },
  "oklch": {
    "l": 0.38852,
    "c": 0.16119,
    "h": 266.8
  },
  "luminance": 0.05404
}

Semantic roles & 50–950 ramp

primary

#1E3899

secondary

#C1A952

accent

#C63EEA

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #1E3899

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

Preview Lab → · Contrast checker → · Palette generator →