#1E3590#1E3590

#1E3590 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.4% C 0.153 H 267.3°. Best body text is #FFFFFF at 10.68:1 contrast (WCAG AA passes).

Color values

HEX	#1E3590
RGB	rgb(30, 53, 144)
HSL	hsl(228, 66%, 34%)
HSV	hsv(228, 79%, 56%)
CMYK	cmyk(79.2%, 63.2%, 0%, 43.5%)
CIE-LAB	lab(26.26, 25.83, -52.72)
CIE-LCH	lch(26.26, 58.70, 296.10°)
OKLab	oklab(37.42% -0.0071 -0.1524)
OKLCH	oklch(37.42% 0.153 267.3)
XYZ	xyz(6.8408, 4.8351, 26.9529)
Luminance	0.0484 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E3590 #90791E

analogous

#1E6E90 #1E3590 #401E90

triadic

#1E3590 #901E35 #35901E

tetradic

#1E3590 #901E6E #90791E #1E9040

square

#1E3590 #901E6E #90791E #1E9040

split-complementary

#1E3590 #90401E #6E901E

monochromatic

#09102B #13225D #1E3590 #2948C3 #4E6ADA

Accessibility & contrast

On white

10.68

#1E3590 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#1E3590 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E3590

10.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E3590	#FFFFFF	#000000	##FFFFFF
##1E3590	1.00	10.68	1.97	10.68
#FFFFFF	10.68	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004493

Deuteranopia (green-blind)

#00398E

Tritanopia (blue-blind)

#004D5D

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #1e3590;
/* rgb */ color: rgb(30, 53, 144);
/* oklch */ color: oklch(37.4% 0.153 267.3);

Tailwind

colors: {
  custom: {
    50: '#6d6cb1',
    500: '#1e3590',
    950: '#000000',
  },
}

SCSS

$custom: #1e3590;
$custom-light: #6d6cb1;
$custom-dark: #000000;

JSON

{
  "hex": "#1e3590",
  "rgb": {
    "r": 30,
    "g": 53,
    "b": 144
  },
  "hsl": {
    "h": 227.895,
    "s": 65.517,
    "l": 34.118
  },
  "oklch": {
    "l": 0.37423,
    "c": 0.15259,
    "h": 267.3
  },
  "luminance": 0.04836
}

Semantic roles & 50–950 ramp

primary

#1E3590

secondary

#BDA64D

accent

#C63FE8

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080611

muted

#7B7A80

Preview Lab

Preview with #1E3590

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

Preview Lab → · Contrast checker → · Palette generator →