#1E3C91#1E3C91

#1E3C91 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 38.9% C 0.145 H 265.3°. Best body text is #FFFFFF at 9.95:1 contrast (WCAG AA passes).

Color values

HEX	#1E3C91
RGB	rgb(30, 60, 145)
HSL	hsl(224, 66%, 34%)
HSV	hsv(224, 79%, 57%)
CMYK	cmyk(79.3%, 58.6%, 0%, 43.1%)
CIE-LAB	lab(28.25, 21.41, -50.08)
CIE-LCH	lch(28.25, 54.47, 293.15°)
OKLab	oklab(38.93% -0.0118 -0.1446)
OKLCH	oklch(38.93% 0.145 265.3)
XYZ	xyz(7.2603, 5.5512, 27.4714)
Luminance	0.0555 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E3C91 #91731E

analogous

#1E7691 #1E3C91 #3A1E91

triadic

#1E3C91 #911E3C #3C911E

tetradic

#1E3C91 #911E76 #91731E #1E913A

square

#1E3C91 #911E76 #91731E #1E913A

split-complementary

#1E3C91 #913A1E #76911E

monochromatic

#09122C #14275E #1E3C91 #2851C4 #4F73DB

Accessibility & contrast

On white

9.95

#1E3C91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#1E3C91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E3C91

9.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E3C91	#FFFFFF	#000000	##FFFFFF
##1E3C91	1.00	9.95	2.11	9.95
#FFFFFF	9.95	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004894

Deuteranopia (green-blind)

#003E8F

Tritanopia (blue-blind)

#005160

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #1e3c91;
/* rgb */ color: rgb(30, 60, 145);
/* oklch */ color: oklch(38.9% 0.145 265.3);

Tailwind

colors: {
  custom: {
    50: '#6d71b2',
    500: '#1e3c91',
    950: '#000000',
  },
}

SCSS

$custom: #1e3c91;
$custom-light: #6d71b2;
$custom-dark: #000000;

JSON

{
  "hex": "#1e3c91",
  "rgb": {
    "r": 30,
    "g": 60,
    "b": 145
  },
  "hsl": {
    "h": 224.348,
    "s": 65.714,
    "l": 34.314
  },
  "oklch": {
    "l": 0.38935,
    "c": 0.14508,
    "h": 265.3
  },
  "luminance": 0.05552
}

Semantic roles & 50–950 ramp

primary

#1E3C91

secondary

#BDA04D

accent

#BC3FE9

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080711

muted

#7B7A80

Preview Lab

Preview with #1E3C91

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

Preview Lab → · Contrast checker → · Palette generator →