#1E3A87#1E3A87

#1E3A87 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 37.6% C 0.133 H 265.3°. Best body text is #FFFFFF at 10.45:1 contrast (WCAG AA passes).

Color values

HEX	#1E3A87
RGB	rgb(30, 58, 135)
HSL	hsl(224, 64%, 32%)
HSV	hsv(224, 78%, 53%)
CMYK	cmyk(77.8%, 57%, 0%, 47.1%)
CIE-LAB	lab(26.88, 18.81, -46.13)
CIE-LCH	lch(26.88, 49.82, 292.18°)
OKLab	oklab(37.65% -0.0109 -0.133)
OKLCH	oklch(37.65% 0.133 265.3)
XYZ	xyz(6.4201, 5.0507, 23.5535)
Luminance	0.0505 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E3A87 #876B1E

analogous

#1E6F87 #1E3A87 #371E87

triadic

#1E3A87 #871E3A #3A871E

tetradic

#1E3A87 #871E6F #876B1E #1E8737

square

#1E3A87 #871E6F #876B1E #1E8737

split-complementary

#1E3A87 #87371E #6F871E

monochromatic

#080F23 #132455 #1E3A87 #2950B9 #496FD7

Accessibility & contrast

On white

10.45

#1E3A87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#1E3A87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E3A87

10.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E3A87	#FFFFFF	#000000	##FFFFFF
##1E3A87	1.00	10.45	2.01	10.45
#FFFFFF	10.45	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00458A

Deuteranopia (green-blind)

#003B85

Tritanopia (blue-blind)

#004D5A

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #1e3a87;
/* rgb */ color: rgb(30, 58, 135);
/* oklch */ color: oklch(37.6% 0.133 265.3);

Tailwind

colors: {
  custom: {
    50: '#6b6fab',
    500: '#1e3a87',
    950: '#000000',
  },
}

SCSS

$custom: #1e3a87;
$custom-light: #6b6fab;
$custom-dark: #000000;

JSON

{
  "hex": "#1e3a87",
  "rgb": {
    "r": 30,
    "g": 58,
    "b": 135
  },
  "hsl": {
    "h": 224,
    "s": 63.636,
    "l": 32.353
  },
  "oklch": {
    "l": 0.37649,
    "c": 0.13347,
    "h": 265.3
  },
  "luminance": 0.05051
}

Semantic roles & 50–950 ramp

primary

#1E3A87

secondary

#B99B48

accent

#BB41E7

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#080710

muted

#7A7A7F

Preview Lab

Preview with #1E3A87

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

Preview Lab → · Contrast checker → · Palette generator →