#1E4589#1E4589

#1E4589 is a dark, vivid blue. Relative luminance 0.063; OKLCH L 40.3% C 0.122 H 260.6°. Best body text is #FFFFFF at 9.26:1 contrast (WCAG AA passes).

Color values

HEX	#1E4589
RGB	rgb(30, 69, 137)
HSL	hsl(218, 64%, 33%)
HSV	hsv(218, 78%, 54%)
CMYK	cmyk(78.1%, 49.6%, 0%, 46.3%)
CIE-LAB	lab(30.25, 11.99, -41.92)
CIE-LCH	lch(30.25, 43.60, 285.96°)
OKLab	oklab(40.26% -0.0198 -0.1204)
OKLCH	oklch(40.26% 0.122 260.6)
XYZ	xyz(7.1773, 6.3376, 24.5071)
Luminance	0.0634 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E4589 #89621E

analogous

#1E7A89 #1E4589 #2D1E89

triadic

#1E4589 #891E45 #45891E

tetradic

#1E4589 #891E7A #89621E #1E892D

square

#1E4589 #891E7A #89621E #1E892D

split-complementary

#1E4589 #892D1E #7A891E

monochromatic

#081225 #132C57 #1E4589 #295EBB #4A7ED7

Accessibility & contrast

On white

9.26

#1E4589 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#1E4589 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E4589

9.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E4589	#FFFFFF	#000000	##FFFFFF
##1E4589	1.00	9.26	2.27	9.26
#FFFFFF	9.26	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F4C8C

Deuteranopia (green-blind)

#004388

Tritanopia (blue-blind)

#005560

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #1e4589;
/* rgb */ color: rgb(30, 69, 137);
/* oklch */ color: oklch(40.3% 0.122 260.6);

Tailwind

colors: {
  custom: {
    50: '#6b78ac',
    500: '#1e4589',
    950: '#000000',
  },
}

SCSS

$custom: #1e4589;
$custom-light: #6b78ac;
$custom-dark: #000000;

JSON

{
  "hex": "#1e4589",
  "rgb": {
    "r": 30,
    "g": 69,
    "b": 137
  },
  "hsl": {
    "h": 218.131,
    "s": 64.072,
    "l": 32.745
  },
  "oklch": {
    "l": 0.40259,
    "c": 0.12204,
    "h": 260.6
  },
  "luminance": 0.06338
}

Semantic roles & 50–950 ramp

primary

#1E4589

secondary

#BA9149

accent

#AA41E7

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#070810

muted

#7A7B7F

Preview Lab

Preview with #1E4589

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

Preview Lab → · Contrast checker → · Palette generator →