#1E3FA7#1E3FA7

#1E3FA7 is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.5% C 0.171 H 265.6°. Best body text is #FFFFFF at 9.04:1 contrast (WCAG AA passes).

Color values

HEX	#1E3FA7
RGB	rgb(30, 63, 167)
HSL	hsl(226, 70%, 39%)
HSV	hsv(226, 82%, 65%)
CMYK	cmyk(82%, 62.3%, 0%, 34.5%)
CIE-LAB	lab(30.93, 28.02, -59.09)
CIE-LCH	lch(30.93, 65.39, 295.37°)
OKLab	oklab(41.51% -0.0132 -0.171)
OKLCH	oklch(41.51% 0.171 265.6)
XYZ	xyz(9.2855, 6.6199, 37.3401)
Luminance	0.0662 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E3FA7 #A7861E

analogous

#1E83A7 #1E3FA7 #411EA7

triadic

#1E3FA7 #A71E3F #3FA71E

tetradic

#1E3FA7 #A71E83 #A7861E #1EA741

square

#1E3FA7 #A71E83 #A7861E #1EA741

split-complementary

#1E3FA7 #A7411E #83A71E

monochromatic

#0B183F #152B73 #1E3FA7 #2A54D9 #5D7DE2

Accessibility & contrast

On white

9.04

#1E3FA7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#1E3FA7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E3FA7

9.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E3FA7	#FFFFFF	#000000	##FFFFFF
##1E3FA7	1.00	9.04	2.32	9.04
#FFFFFF	9.04	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FAA

Deuteranopia (green-blind)

#0043A5

Tritanopia (blue-blind)

#005A6D

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #1e3fa7;
/* rgb */ color: rgb(30, 63, 167);
/* oklch */ color: oklch(41.5% 0.171 265.6);

Tailwind

colors: {
  custom: {
    50: '#7373c2',
    500: '#1e3fa7',
    950: '#000000',
  },
}

SCSS

$custom: #1e3fa7;
$custom-light: #7373c2;
$custom-dark: #000000;

JSON

{
  "hex": "#1e3fa7",
  "rgb": {
    "r": 30,
    "g": 63,
    "b": 167
  },
  "hsl": {
    "h": 225.547,
    "s": 69.543,
    "l": 38.627
  },
  "oklch": {
    "l": 0.41512,
    "c": 0.17148,
    "h": 265.6
  },
  "luminance": 0.06621
}

Semantic roles & 50–950 ramp

primary

#1E3FA7

secondary

#C6AC5B

accent

#C23BEC

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#090812

muted

#7B7B81

Preview Lab

Preview with #1E3FA7

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

Preview Lab → · Contrast checker → · Palette generator →