#1E378C#1E378C

#1E378C is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.5% C 0.144 H 266.6°. Best body text is #FFFFFF at 10.60:1 contrast (WCAG AA passes).

Color values

HEX	#1E378C
RGB	rgb(30, 55, 140)
HSL	hsl(226, 65%, 33%)
HSV	hsv(226, 79%, 55%)
CMYK	cmyk(78.6%, 60.7%, 0%, 45.1%)
CIE-LAB	lab(26.45, 22.88, -49.93)
CIE-LCH	lch(26.45, 54.92, 294.62°)
OKLab	oklab(37.46% -0.0085 -0.1442)
OKLCH	oklch(37.46% 0.144 266.6)
XYZ	xyz(6.6336, 4.9011, 25.4023)
Luminance	0.0490 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E378C #8C731E

analogous

#1E6E8C #1E378C #3C1E8C

triadic

#1E378C #8C1E37 #378C1E

tetradic

#1E378C #8C1E6E #8C731E #1E8C3C

square

#1E378C #8C1E6E #8C731E #1E8C3C

split-complementary

#1E378C #8C3C1E #6E8C1E

monochromatic

#080F27 #13235A #1E378C #294BBE #4C6CD9

Accessibility & contrast

On white

10.60

#1E378C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#1E378C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E378C

10.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E378C	#FFFFFF	#000000	##FFFFFF
##1E378C	1.00	10.60	1.98	10.60
#FFFFFF	10.60	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00448F

Deuteranopia (green-blind)

#003A8A

Tritanopia (blue-blind)

#004D5C

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #1e378c;
/* rgb */ color: rgb(30, 55, 140);
/* oklch */ color: oklch(37.5% 0.144 266.6);

Tailwind

colors: {
  custom: {
    50: '#6c6dae',
    500: '#1e378c',
    950: '#000000',
  },
}

SCSS

$custom: #1e378c;
$custom-light: #6c6dae;
$custom-dark: #000000;

JSON

{
  "hex": "#1e378c",
  "rgb": {
    "r": 30,
    "g": 55,
    "b": 140
  },
  "hsl": {
    "h": 226.364,
    "s": 64.706,
    "l": 33.333
  },
  "oklch": {
    "l": 0.37457,
    "c": 0.14448,
    "h": 266.6
  },
  "luminance": 0.04902
}

Semantic roles & 50–950 ramp

primary

#1E378C

secondary

#BBA24B

accent

#C240E8

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #1E378C

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

Preview Lab → · Contrast checker → · Palette generator →