#1E3887#1E3887

#1E3887 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.2% C 0.136 H 266.0°. Best body text is #FFFFFF at 10.66:1 contrast (WCAG AA passes).

Color values

HEX	#1E3887
RGB	rgb(30, 56, 135)
HSL	hsl(225, 64%, 32%)
HSV	hsv(225, 78%, 53%)
CMYK	cmyk(77.8%, 58.5%, 0%, 47.1%)
CIE-LAB	lab(26.31, 20.20, -47.05)
CIE-LCH	lch(26.31, 51.20, 293.23°)
OKLab	oklab(37.22% -0.0094 -0.1358)
OKLCH	oklch(37.22% 0.136 266)
XYZ	xyz(6.3212, 4.8529, 23.5205)
Luminance	0.0485 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E3887 #876D1E

analogous

#1E6C87 #1E3887 #391E87

triadic

#1E3887 #871E38 #38871E

tetradic

#1E3887 #871E6C #876D1E #1E8739

square

#1E3887 #871E6C #876D1E #1E8739

split-complementary

#1E3887 #87391E #6C871E

monochromatic

#080E23 #132355 #1E3887 #294DB9 #496CD7

Accessibility & contrast

On white

10.66

#1E3887 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#1E3887 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E3887

10.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E3887	#FFFFFF	#000000	##FFFFFF
##1E3887	1.00	10.66	1.97	10.66
#FFFFFF	10.66	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00438A

Deuteranopia (green-blind)

#003A85

Tritanopia (blue-blind)

#004C59

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #1e3887;
/* rgb */ color: rgb(30, 56, 135);
/* oklch */ color: oklch(37.2% 0.136 266.0);

Tailwind

colors: {
  custom: {
    50: '#6b6eab',
    500: '#1e3887',
    950: '#000000',
  },
}

SCSS

$custom: #1e3887;
$custom-light: #6b6eab;
$custom-dark: #000000;

JSON

{
  "hex": "#1e3887",
  "rgb": {
    "r": 30,
    "g": 56,
    "b": 135
  },
  "hsl": {
    "h": 225.143,
    "s": 63.636,
    "l": 32.353
  },
  "oklch": {
    "l": 0.37222,
    "c": 0.13609,
    "h": 266
  },
  "luminance": 0.04854
}

Semantic roles & 50–950 ramp

primary

#1E3887

secondary

#B99D48

accent

#BE41E7

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#080710

muted

#7A7A7F

Preview Lab

Preview with #1E3887

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

Preview Lab → · Contrast checker → · Palette generator →