#1E3378#1E3378

#1E3378 is a dark, vivid blue. Relative luminance 0.040; OKLCH L 34.9% C 0.121 H 267.1°. Best body text is #FFFFFF at 11.67:1 contrast (WCAG AA passes).

Color values

HEX	#1E3378
RGB	rgb(30, 51, 120)
HSL	hsl(226, 60%, 29%)
HSV	hsv(226, 75%, 47%)
CMYK	cmyk(75%, 57.5%, 0%, 52.9%)
CIE-LAB	lab(23.67, 17.70, -41.91)
CIE-LCH	lch(23.67, 45.50, 292.90°)
OKLab	oklab(34.85% -0.0062 -0.1207)
OKLCH	oklch(34.85% 0.121 267.1)
XYZ	xyz(5.1082, 3.9992, 18.2684)
Luminance	0.0400 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E3378 #78631E

analogous

#1E6078 #1E3378 #361E78

triadic

#1E3378 #781E33 #33781E

tetradic

#1E3378 #781E60 #78631E #1E7836

square

#1E3378 #781E60 #78631E #1E7836

split-complementary

#1E3378 #78361E #60781E

monochromatic

#060A18 #121E47 #1E3378 #2A48A9 #4162CF

Accessibility & contrast

On white

11.67

#1E3378 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#1E3378 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E3378

11.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E3378	#FFFFFF	#000000	##FFFFFF
##1E3378	1.00	11.67	1.80	11.67
#FFFFFF	11.67	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D7A

Deuteranopia (green-blind)

#003477

Tritanopia (blue-blind)

#004450

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #1e3378;
/* rgb */ color: rgb(30, 51, 120);
/* oklch */ color: oklch(34.9% 0.121 267.1);

Tailwind

colors: {
  custom: {
    50: '#676aa0',
    500: '#1e3378',
    950: '#000000',
  },
}

SCSS

$custom: #1e3378;
$custom-light: #676aa0;
$custom-dark: #000000;

JSON

{
  "hex": "#1e3378",
  "rgb": {
    "r": 30,
    "g": 51,
    "b": 120
  },
  "hsl": {
    "h": 226,
    "s": 60,
    "l": 29.412
  },
  "oklch": {
    "l": 0.34852,
    "c": 0.1209,
    "h": 267.1
  },
  "luminance": 0.04
}

Semantic roles & 50–950 ramp

primary

#1E3378

secondary

#AC9446

accent

#BE45E3

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07060F

muted

#7A7A7E

Preview Lab

Preview with #1E3378

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

Preview Lab → · Contrast checker → · Palette generator →