#1E3691#1E3691

#1E3691 is a dark, vivid blue. Relative luminance 0.050; OKLCH L 37.7% C 0.153 H 267.1°. Best body text is #FFFFFF at 10.54:1 contrast (WCAG AA passes).

Color values

HEX	#1E3691
RGB	rgb(30, 54, 145)
HSL	hsl(227, 66%, 34%)
HSV	hsv(227, 79%, 57%)
CMYK	cmyk(79.3%, 62.8%, 0%, 43.1%)
CIE-LAB	lab(26.61, 25.54, -52.75)
CIE-LCH	lch(26.61, 58.61, 295.83°)
OKLab	oklab(37.71% -0.0077 -0.1525)
OKLCH	oklch(37.71% 0.153 267.1)
XYZ	xyz(6.9636, 4.9579, 27.3725)
Luminance	0.0496 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E3691 #91791E

analogous

#1E7091 #1E3691 #401E91

triadic

#1E3691 #911E36 #36911E

tetradic

#1E3691 #911E70 #91791E #1E9140

square

#1E3691 #911E70 #91791E #1E9140

split-complementary

#1E3691 #91401E #70911E

monochromatic

#09102C #14235E #1E3691 #2849C4 #4F6CDB

Accessibility & contrast

On white

10.54

#1E3691 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#1E3691 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E3691

10.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E3691	#FFFFFF	#000000	##FFFFFF
##1E3691	1.00	10.54	1.99	10.54
#FFFFFF	10.54	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004494

Deuteranopia (green-blind)

#003A8F

Tritanopia (blue-blind)

#004D5E

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #1e3691;
/* rgb */ color: rgb(30, 54, 145);
/* oklch */ color: oklch(37.7% 0.153 267.1);

Tailwind

colors: {
  custom: {
    50: '#6e6cb2',
    500: '#1e3691',
    950: '#000000',
  },
}

SCSS

$custom: #1e3691;
$custom-light: #6e6cb2;
$custom-dark: #000000;

JSON

{
  "hex": "#1e3691",
  "rgb": {
    "r": 30,
    "g": 54,
    "b": 145
  },
  "hsl": {
    "h": 227.478,
    "s": 65.714,
    "l": 34.314
  },
  "oklch": {
    "l": 0.37713,
    "c": 0.15272,
    "h": 267.1
  },
  "luminance": 0.04959
}

Semantic roles & 50–950 ramp

primary

#1E3691

secondary

#BDA64D

accent

#C53FE9

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080711

muted

#7B7A80

Preview Lab

Preview with #1E3691

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

Preview Lab → · Contrast checker → · Palette generator →