#1E3687#1E3687

#1E3687 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 36.8% C 0.139 H 266.7°. Best body text is #FFFFFF at 10.87:1 contrast (WCAG AA passes).

Color values

HEX	#1E3687
RGB	rgb(30, 54, 135)
HSL	hsl(226, 64%, 32%)
HSV	hsv(226, 78%, 53%)
CMYK	cmyk(77.8%, 60%, 0%, 47.1%)
CIE-LAB	lab(25.75, 21.59, -47.96)
CIE-LCH	lch(25.75, 52.60, 294.24°)
OKLab	oklab(36.8% -0.0079 -0.1385)
OKLCH	oklch(36.8% 0.139 266.7)
XYZ	xyz(6.2262, 4.6629, 23.4889)
Luminance	0.0466 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E3687 #876F1E

analogous

#1E6A87 #1E3687 #3B1E87

triadic

#1E3687 #871E36 #36871E

tetradic

#1E3687 #871E6A #876F1E #1E873B

square

#1E3687 #871E6A #876F1E #1E873B

split-complementary

#1E3687 #873B1E #6A871E

monochromatic

#080E23 #132255 #1E3687 #294AB9 #4969D7

Accessibility & contrast

On white

10.87

#1E3687 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#1E3687 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E3687

10.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E3687	#FFFFFF	#000000	##FFFFFF
##1E3687	1.00	10.87	1.93	10.87
#FFFFFF	10.87	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00428A

Deuteranopia (green-blind)

#003885

Tritanopia (blue-blind)

#004A59

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #1e3687;
/* rgb */ color: rgb(30, 54, 135);
/* oklch */ color: oklch(36.8% 0.139 266.7);

Tailwind

colors: {
  custom: {
    50: '#6b6cab',
    500: '#1e3687',
    950: '#000000',
  },
}

SCSS

$custom: #1e3687;
$custom-light: #6b6cab;
$custom-dark: #000000;

JSON

{
  "hex": "#1e3687",
  "rgb": {
    "r": 30,
    "g": 54,
    "b": 135
  },
  "hsl": {
    "h": 226.286,
    "s": 63.636,
    "l": 32.353
  },
  "oklch": {
    "l": 0.36803,
    "c": 0.13869,
    "h": 266.7
  },
  "luminance": 0.04664
}

Semantic roles & 50–950 ramp

primary

#1E3687

secondary

#B99F48

accent

#C141E7

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#080710

muted

#7A7A7F

Preview Lab

Preview with #1E3687

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

Preview Lab → · Contrast checker → · Palette generator →