#1E4688#1E4688

#1E4688 is a dark, moderate blue. Relative luminance 0.064; OKLCH L 40.4% C 0.119 H 259.9°. Best body text is #FFFFFF at 9.18:1 contrast (WCAG AA passes).

Color values

HEX	#1E4688
RGB	rgb(30, 70, 136)
HSL	hsl(217, 64%, 33%)
HSV	hsv(217, 78%, 53%)
CMYK	cmyk(77.9%, 48.5%, 0%, 46.7%)
CIE-LAB	lab(30.48, 10.90, -40.93)
CIE-LCH	lch(30.48, 42.36, 284.91°)
OKLab	oklab(40.42% -0.0209 -0.1175)
OKLCH	oklch(40.42% 0.119 259.9)
XYZ	xyz(7.1679, 6.4331, 24.1517)
Luminance	0.0643 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E4688 #88601E

analogous

#1E7B88 #1E4688 #2B1E88

triadic

#1E4688 #881E46 #46881E

tetradic

#1E4688 #881E7B #88601E #1E882B

square

#1E4688 #881E7B #88601E #1E882B

split-complementary

#1E4688 #882B1E #7B881E

monochromatic

#081224 #132C56 #1E4688 #2960BA #497FD7

Accessibility & contrast

On white

9.18

#1E4688 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#1E4688 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E4688

9.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E4688	#FFFFFF	#000000	##FFFFFF
##1E4688	1.00	9.18	2.29	9.18
#FFFFFF	9.18	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#224D8A

Deuteranopia (green-blind)

#044387

Tritanopia (blue-blind)

#005660

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #1e4688;
/* rgb */ color: rgb(30, 70, 136);
/* oklch */ color: oklch(40.4% 0.119 259.9);

Tailwind

colors: {
  custom: {
    50: '#6a78ab',
    500: '#1e4688',
    950: '#000000',
  },
}

SCSS

$custom: #1e4688;
$custom-light: #6a78ab;
$custom-dark: #000000;

JSON

{
  "hex": "#1e4688",
  "rgb": {
    "r": 30,
    "g": 70,
    "b": 136
  },
  "hsl": {
    "h": 217.358,
    "s": 63.855,
    "l": 32.549
  },
  "oklch": {
    "l": 0.40415,
    "c": 0.11932,
    "h": 259.9
  },
  "luminance": 0.06434
}

Semantic roles & 50–950 ramp

primary

#1E4688

secondary

#B98F49

accent

#A841E7

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#070910

muted

#7A7B7F

Preview Lab

Preview with #1E4688

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

Preview Lab → · Contrast checker → · Palette generator →