#1E4488#1E4488

#1E4488 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.0% C 0.122 H 261.0°. Best body text is #FFFFFF at 9.39:1 contrast (WCAG AA passes).

Color values

HEX	#1E4488
RGB	rgb(30, 68, 136)
HSL	hsl(218, 64%, 33%)
HSV	hsv(218, 78%, 53%)
CMYK	cmyk(77.9%, 50%, 0%, 46.7%)
CIE-LAB	lab(29.88, 12.27, -41.90)
CIE-LCH	lch(29.88, 43.66, 286.33°)
OKLab	oklab(39.95% -0.0191 -0.1204)
OKLCH	oklch(39.95% 0.122 261)
XYZ	xyz(7.0449, 6.1870, 24.1107)
Luminance	0.0619 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E4488 #88621E

analogous

#1E7988 #1E4488 #2D1E88

triadic

#1E4488 #881E44 #44881E

tetradic

#1E4488 #881E79 #88621E #1E882D

square

#1E4488 #881E79 #88621E #1E882D

split-complementary

#1E4488 #882D1E #79881E

monochromatic

#081224 #132B56 #1E4488 #295DBA #497CD7

Accessibility & contrast

On white

9.39

#1E4488 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#1E4488 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E4488

9.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E4488	#FFFFFF	#000000	##FFFFFF
##1E4488	1.00	9.39	2.24	9.39
#FFFFFF	9.39	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D4C8B

Deuteranopia (green-blind)

#004287

Tritanopia (blue-blind)

#00545F

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #1e4488;
/* rgb */ color: rgb(30, 68, 136);
/* oklch */ color: oklch(40.0% 0.122 261.0);

Tailwind

colors: {
  custom: {
    50: '#6a77ab',
    500: '#1e4488',
    950: '#000000',
  },
}

SCSS

$custom: #1e4488;
$custom-light: #6a77ab;
$custom-dark: #000000;

JSON

{
  "hex": "#1e4488",
  "rgb": {
    "r": 30,
    "g": 68,
    "b": 136
  },
  "hsl": {
    "h": 218.491,
    "s": 63.855,
    "l": 32.549
  },
  "oklch": {
    "l": 0.39954,
    "c": 0.12188,
    "h": 261
  },
  "luminance": 0.06188
}

Semantic roles & 50–950 ramp

primary

#1E4488

secondary

#B99149

accent

#AB41E7

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#070810

muted

#7A7B7F

Preview Lab

Preview with #1E4488

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

Preview Lab → · Contrast checker → · Palette generator →