#1E3288#1E3288

#1E3288 is a dark, vivid blue. Relative luminance 0.043; OKLCH L 36.1% C 0.145 H 268.0°. Best body text is #FFFFFF at 11.25:1 contrast (WCAG AA passes).

Color values

HEX	#1E3288
RGB	rgb(30, 50, 136)
HSL	hsl(229, 64%, 33%)
HSV	hsv(229, 78%, 53%)
CMYK	cmyk(77.9%, 63.2%, 0%, 46.7%)
CIE-LAB	lab(24.75, 24.76, -50.23)
CIE-LCH	lch(24.75, 56.00, 296.24°)
OKLab	oklab(36.08% -0.005 -0.1452)
OKLCH	oklch(36.08% 0.145 268)
XYZ	xyz(6.1184, 4.3341, 23.8019)
Luminance	0.0433 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E3288 #88741E

analogous

#1E6788 #1E3288 #3F1E88

triadic

#1E3288 #881E32 #32881E

tetradic

#1E3288 #881E67 #88741E #1E883F

square

#1E3288 #881E67 #88741E #1E883F

split-complementary

#1E3288 #883F1E #67881E

monochromatic

#080D24 #132056 #1E3288 #2944BA #4964D7

Accessibility & contrast

On white

11.25

#1E3288 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#1E3288 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E3288

11.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E3288	#FFFFFF	#000000	##FFFFFF
##1E3288	1.00	11.25	1.87	11.25
#FFFFFF	11.25	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00408B

Deuteranopia (green-blind)

#003686

Tritanopia (blue-blind)

#004858

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #1e3288;
/* rgb */ color: rgb(30, 50, 136);
/* oklch */ color: oklch(36.1% 0.145 268.0);

Tailwind

colors: {
  custom: {
    50: '#6c69ab',
    500: '#1e3288',
    950: '#000000',
  },
}

SCSS

$custom: #1e3288;
$custom-light: #6c69ab;
$custom-dark: #000000;

JSON

{
  "hex": "#1e3288",
  "rgb": {
    "r": 30,
    "g": 50,
    "b": 136
  },
  "hsl": {
    "h": 228.679,
    "s": 63.855,
    "l": 32.549
  },
  "oklch": {
    "l": 0.36081,
    "c": 0.14526,
    "h": 268
  },
  "luminance": 0.04335
}

Semantic roles & 50–950 ramp

primary

#1E3288

secondary

#B9A449

accent

#C841E7

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #1E3288

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

Preview Lab → · Contrast checker → · Palette generator →