#1E3487#1E3487

#1E3487 is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.4% C 0.141 H 267.4°. Best body text is #FFFFFF at 11.07:1 contrast (WCAG AA passes).

Color values

HEX	#1E3487
RGB	rgb(30, 52, 135)
HSL	hsl(227, 64%, 32%)
HSV	hsv(227, 78%, 53%)
CMYK	cmyk(77.8%, 61.5%, 0%, 47.1%)
CIE-LAB	lab(25.20, 22.98, -48.86)
CIE-LCH	lch(25.20, 54.00, 295.19°)
OKLab	oklab(36.39% -0.0064 -0.1411)
OKLCH	oklch(36.39% 0.141 267.4)
XYZ	xyz(6.1351, 4.4806, 23.4585)
Luminance	0.0448 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E3487 #87711E

analogous

#1E6887 #1E3487 #3D1E87

triadic

#1E3487 #871E34 #34871E

tetradic

#1E3487 #871E68 #87711E #1E873D

square

#1E3487 #871E68 #87711E #1E873D

split-complementary

#1E3487 #873D1E #68871E

monochromatic

#080D23 #132155 #1E3487 #2947B9 #4967D7

Accessibility & contrast

On white

11.07

#1E3487 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#1E3487 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E3487

11.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E3487	#FFFFFF	#000000	##FFFFFF
##1E3487	1.00	11.07	1.90	11.07
#FFFFFF	11.07	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00418A

Deuteranopia (green-blind)

#003785

Tritanopia (blue-blind)

#004958

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #1e3487;
/* rgb */ color: rgb(30, 52, 135);
/* oklch */ color: oklch(36.4% 0.141 267.4);

Tailwind

colors: {
  custom: {
    50: '#6b6bab',
    500: '#1e3487',
    950: '#000000',
  },
}

SCSS

$custom: #1e3487;
$custom-light: #6b6bab;
$custom-dark: #000000;

JSON

{
  "hex": "#1e3487",
  "rgb": {
    "r": 30,
    "g": 52,
    "b": 135
  },
  "hsl": {
    "h": 227.429,
    "s": 63.636,
    "l": 32.353
  },
  "oklch": {
    "l": 0.36391,
    "c": 0.14129,
    "h": 267.4
  },
  "luminance": 0.04481
}

Semantic roles & 50–950 ramp

primary

#1E3487

secondary

#B9A148

accent

#C441E7

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#080610

muted

#7A7A7F

Preview Lab

Preview with #1E3487

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

Preview Lab → · Contrast checker → · Palette generator →