#1E4089#1E4089

#1E4089 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.1% C 0.129 H 263.0°. Best body text is #FFFFFF at 9.77:1 contrast (WCAG AA passes).

Color values

HEX	#1E4089
RGB	rgb(30, 64, 137)
HSL	hsl(221, 64%, 33%)
HSV	hsv(221, 78%, 54%)
CMYK	cmyk(78.1%, 53.3%, 0%, 46.3%)
CIE-LAB	lab(28.77, 15.44, -44.31)
CIE-LCH	lch(28.77, 46.92, 289.21°)
OKLab	oklab(39.13% -0.0156 -0.1275)
OKLCH	oklch(39.13% 0.129 263)
XYZ	xyz(6.8826, 5.7482, 24.4088)
Luminance	0.0575 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E4089 #89671E

analogous

#1E7589 #1E4089 #321E89

triadic

#1E4089 #891E40 #40891E

tetradic

#1E4089 #891E75 #89671E #1E8932

square

#1E4089 #891E75 #89671E #1E8932

split-complementary

#1E4089 #89321E #75891E

monochromatic

#081125 #132957 #1E4089 #2957BB #4A77D7

Accessibility & contrast

On white

9.77

#1E4089 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#1E4089 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E4089

9.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E4089	#FFFFFF	#000000	##FFFFFF
##1E4089	1.00	9.77	2.15	9.77
#FFFFFF	9.77	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F498C

Deuteranopia (green-blind)

#003F88

Tritanopia (blue-blind)

#00525E

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #1e4089;
/* rgb */ color: rgb(30, 64, 137);
/* oklch */ color: oklch(39.1% 0.129 263.0);

Tailwind

colors: {
  custom: {
    50: '#6b74ac',
    500: '#1e4089',
    950: '#000000',
  },
}

SCSS

$custom: #1e4089;
$custom-light: #6b74ac;
$custom-dark: #000000;

JSON

{
  "hex": "#1e4089",
  "rgb": {
    "r": 30,
    "g": 64,
    "b": 137
  },
  "hsl": {
    "h": 220.935,
    "s": 64.072,
    "l": 32.745
  },
  "oklch": {
    "l": 0.39128,
    "c": 0.1285,
    "h": 263
  },
  "luminance": 0.05749
}

Semantic roles & 50–950 ramp

primary

#1E4089

secondary

#BA9649

accent

#B241E7

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#080810

muted

#7A7B7F

Preview Lab

Preview with #1E4089

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

Preview Lab → · Contrast checker → · Palette generator →