#1E378E#1E378E

#1E378E is a dark, vivid blue. Relative luminance 0.050; OKLCH L 37.6% C 0.147 H 266.7°. Best body text is #FFFFFF at 10.54:1 contrast (WCAG AA passes).

Color values

HEX	#1E378E
RGB	rgb(30, 55, 142)
HSL	hsl(227, 65%, 34%)
HSV	hsv(227, 79%, 56%)
CMYK	cmyk(78.9%, 61.3%, 0%, 44.3%)
CIE-LAB	lab(26.62, 23.67, -50.89)
CIE-LCH	lch(26.62, 56.12, 294.95°)
OKLab	oklab(37.64% -0.0084 -0.147)
OKLCH	oklch(37.64% 0.147 266.7)
XYZ	xyz(6.7824, 4.9606, 26.1860)
Luminance	0.0496 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E378E #8E751E

analogous

#1E6F8E #1E378E #3D1E8E

triadic

#1E378E #8E1E37 #378E1E

tetradic

#1E378E #8E1E6F #8E751E #1E8E3D

square

#1E378E #8E1E6F #8E751E #1E8E3D

split-complementary

#1E378E #8E3D1E #6F8E1E

monochromatic

#091029 #13235B #1E378E #294BC1 #4D6CD9

Accessibility & contrast

On white

10.54

#1E378E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#1E378E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E378E

10.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E378E	#FFFFFF	#000000	##FFFFFF
##1E378E	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)

#004491

Deuteranopia (green-blind)

#003A8C

Tritanopia (blue-blind)

#004D5D

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #1e378e;
/* rgb */ color: rgb(30, 55, 142);
/* oklch */ color: oklch(37.6% 0.147 266.7);

Tailwind

colors: {
  custom: {
    50: '#6d6db0',
    500: '#1e378e',
    950: '#000000',
  },
}

SCSS

$custom: #1e378e;
$custom-light: #6d6db0;
$custom-dark: #000000;

JSON

{
  "hex": "#1e378e",
  "rgb": {
    "r": 30,
    "g": 55,
    "b": 142
  },
  "hsl": {
    "h": 226.607,
    "s": 65.116,
    "l": 33.725
  },
  "oklch": {
    "l": 0.37638,
    "c": 0.14728,
    "h": 266.7
  },
  "luminance": 0.04961
}

Semantic roles & 50–950 ramp

primary

#1E378E

secondary

#BCA34C

accent

#C340E8

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#080711

muted

#7B7A80

Preview Lab

Preview with #1E378E

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

Preview Lab → · Contrast checker → · Palette generator →