#1E4789#1E4789

#1E4789 is a dark, moderate blue. Relative luminance 0.066; OKLCH L 40.7% C 0.119 H 259.6°. Best body text is #FFFFFF at 9.06:1 contrast (WCAG AA passes).

Color values

HEX	#1E4789
RGB	rgb(30, 71, 137)
HSL	hsl(217, 64%, 33%)
HSV	hsv(217, 78%, 54%)
CMYK	cmyk(78.1%, 48.2%, 0%, 46.3%)
CIE-LAB	lab(30.85, 10.62, -40.95)
CIE-LCH	lch(30.85, 42.31, 284.54°)
OKLab	oklab(40.72% -0.0216 -0.1175)
OKLCH	oklch(40.72% 0.12 259.6)
XYZ	xyz(7.3024, 6.5878, 24.5488)
Luminance	0.0659 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E4789 #89601E

analogous

#1E7D89 #1E4789 #2A1E89

triadic

#1E4789 #891E47 #47891E

tetradic

#1E4789 #891E7D #89601E #1E892A

square

#1E4789 #891E7D #89601E #1E892A

split-complementary

#1E4789 #892A1E #7D891E

monochromatic

#081325 #132D57 #1E4789 #2961BB #4A80D7

Accessibility & contrast

On white

9.06

#1E4789 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#1E4789 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E4789

9.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E4789	#FFFFFF	#000000	##FFFFFF
##1E4789	1.00	9.06	2.32	9.06
#FFFFFF	9.06	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#234E8B

Deuteranopia (green-blind)

#064488

Tritanopia (blue-blind)

#005761

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #1e4789;
/* rgb */ color: rgb(30, 71, 137);
/* oklch */ color: oklch(40.7% 0.119 259.6);

Tailwind

colors: {
  custom: {
    50: '#6a79ac',
    500: '#1e4789',
    950: '#000000',
  },
}

SCSS

$custom: #1e4789;
$custom-light: #6a79ac;
$custom-dark: #000000;

JSON

{
  "hex": "#1e4789",
  "rgb": {
    "r": 30,
    "g": 71,
    "b": 137
  },
  "hsl": {
    "h": 217.009,
    "s": 64.072,
    "l": 32.745
  },
  "oklch": {
    "l": 0.40721,
    "c": 0.1195,
    "h": 259.6
  },
  "luminance": 0.06589
}

Semantic roles & 50–950 ramp

primary

#1E4789

secondary

#BA8F49

accent

#A741E7

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#070910

muted

#7A7B7F

Preview Lab

Preview with #1E4789

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

Preview Lab → · Contrast checker → · Palette generator →