#1E398C#1E398C

#1E398C is a dark, vivid blue. Relative luminance 0.051; OKLCH L 37.9% C 0.142 H 266.0°. Best body text is #FFFFFF at 10.40:1 contrast (WCAG AA passes).

Color values

HEX	#1E398C
RGB	rgb(30, 57, 140)
HSL	hsl(225, 65%, 33%)
HSV	hsv(225, 79%, 55%)
CMYK	cmyk(78.6%, 59.3%, 0%, 45.1%)
CIE-LAB	lab(27.00, 21.50, -49.03)
CIE-LCH	lch(27.00, 53.54, 293.68°)
OKLab	oklab(37.87% -0.0099 -0.1415)
OKLCH	oklch(37.87% 0.142 266)
XYZ	xyz(6.7305, 5.0950, 25.4346)
Luminance	0.0510 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E398C #8C711E

analogous

#1E708C #1E398C #3A1E8C

triadic

#1E398C #8C1E39 #398C1E

tetradic

#1E398C #8C1E70 #8C711E #1E8C3A

square

#1E398C #8C1E70 #8C711E #1E8C3A

split-complementary

#1E398C #8C3A1E #708C1E

monochromatic

#081027 #13245A #1E398C #294EBE #4C6ED9

Accessibility & contrast

On white

10.40

#1E398C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#1E398C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E398C

10.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E398C	#FFFFFF	#000000	##FFFFFF
##1E398C	1.00	10.40	2.02	10.40
#FFFFFF	10.40	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00458F

Deuteranopia (green-blind)

#003B8A

Tritanopia (blue-blind)

#004E5C

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #1e398c;
/* rgb */ color: rgb(30, 57, 140);
/* oklch */ color: oklch(37.9% 0.142 266.0);

Tailwind

colors: {
  custom: {
    50: '#6c6fae',
    500: '#1e398c',
    950: '#000000',
  },
}

SCSS

$custom: #1e398c;
$custom-light: #6c6fae;
$custom-dark: #000000;

JSON

{
  "hex": "#1e398c",
  "rgb": {
    "r": 30,
    "g": 57,
    "b": 140
  },
  "hsl": {
    "h": 225.273,
    "s": 64.706,
    "l": 33.333
  },
  "oklch": {
    "l": 0.3787,
    "c": 0.1419,
    "h": 266
  },
  "luminance": 0.05096
}

Semantic roles & 50–950 ramp

primary

#1E398C

secondary

#BBA04B

accent

#BF40E8

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #1E398C

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

Preview Lab → · Contrast checker → · Palette generator →