#1E3891#1E3891

#1E3891 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 38.1% C 0.150 H 266.5°. Best body text is #FFFFFF at 10.35:1 contrast (WCAG AA passes).

Color values

HEX	#1E3891
RGB	rgb(30, 56, 145)
HSL	hsl(226, 66%, 34%)
HSV	hsv(226, 79%, 57%)
CMYK	cmyk(79.3%, 61.4%, 0%, 43.1%)
CIE-LAB	lab(27.15, 24.17, -51.87)
CIE-LCH	lch(27.15, 57.23, 294.98°)
OKLab	oklab(38.11% -0.0091 -0.1499)
OKLCH	oklch(38.11% 0.15 266.5)
XYZ	xyz(7.0586, 5.1479, 27.4042)
Luminance	0.0515 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E3891 #91771E

analogous

#1E7291 #1E3891 #3E1E91

triadic

#1E3891 #911E38 #38911E

tetradic

#1E3891 #911E72 #91771E #1E913E

square

#1E3891 #911E72 #91771E #1E913E

split-complementary

#1E3891 #913E1E #72911E

monochromatic

#09112C #14245E #1E3891 #284CC4 #4F6EDB

Accessibility & contrast

On white

10.35

#1E3891 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#1E3891 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E3891

10.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E3891	#FFFFFF	#000000	##FFFFFF
##1E3891	1.00	10.35	2.03	10.35
#FFFFFF	10.35	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004694

Deuteranopia (green-blind)

#003B8F

Tritanopia (blue-blind)

#004F5F

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #1e3891;
/* rgb */ color: rgb(30, 56, 145);
/* oklch */ color: oklch(38.1% 0.150 266.5);

Tailwind

colors: {
  custom: {
    50: '#6d6eb2',
    500: '#1e3891',
    950: '#000000',
  },
}

SCSS

$custom: #1e3891;
$custom-light: #6d6eb2;
$custom-dark: #000000;

JSON

{
  "hex": "#1e3891",
  "rgb": {
    "r": 30,
    "g": 56,
    "b": 145
  },
  "hsl": {
    "h": 226.435,
    "s": 65.714,
    "l": 34.314
  },
  "oklch": {
    "l": 0.38113,
    "c": 0.15019,
    "h": 266.5
  },
  "luminance": 0.05149
}

Semantic roles & 50–950 ramp

primary

#1E3891

secondary

#BDA44D

accent

#C23FE9

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080711

muted

#7B7A80

Preview Lab

Preview with #1E3891

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

Preview Lab → · Contrast checker → · Palette generator →