#1E3390#1E3390

#1E3390 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.0% C 0.155 H 267.8°. Best body text is #FFFFFF at 10.87:1 contrast (WCAG AA passes).

Color values

HEX	#1E3390
RGB	rgb(30, 51, 144)
HSL	hsl(229, 66%, 34%)
HSV	hsv(229, 79%, 56%)
CMYK	cmyk(79.2%, 64.6%, 0%, 43.5%)
CIE-LAB	lab(25.73, 27.19, -53.58)
CIE-LCH	lch(25.73, 60.08, 296.91°)
OKLab	oklab(37.03% -0.0058 -0.155)
OKLCH	oklch(37.03% 0.155 267.8)
XYZ	xyz(6.7515, 4.6565, 26.9231)
Luminance	0.0466 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E3390 #907B1E

analogous

#1E6C90 #1E3390 #421E90

triadic

#1E3390 #901E33 #33901E

tetradic

#1E3390 #901E6C #907B1E #1E9042

square

#1E3390 #901E6C #907B1E #1E9042

split-complementary

#1E3390 #90421E #6C901E

monochromatic

#090F2B #13215D #1E3390 #2945C3 #4E68DA

Accessibility & contrast

On white

10.87

#1E3390 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#1E3390 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E3390

10.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E3390	#FFFFFF	#000000	##FFFFFF
##1E3390	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)

#004293

Deuteranopia (green-blind)

#00388E

Tritanopia (blue-blind)

#004B5C

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #1e3390;
/* rgb */ color: rgb(30, 51, 144);
/* oklch */ color: oklch(37.0% 0.155 267.8);

Tailwind

colors: {
  custom: {
    50: '#6e6ab1',
    500: '#1e3390',
    950: '#000000',
  },
}

SCSS

$custom: #1e3390;
$custom-light: #6e6ab1;
$custom-dark: #000000;

JSON

{
  "hex": "#1e3390",
  "rgb": {
    "r": 30,
    "g": 51,
    "b": 144
  },
  "hsl": {
    "h": 228.947,
    "s": 65.517,
    "l": 34.118
  },
  "oklch": {
    "l": 0.37033,
    "c": 0.15508,
    "h": 267.8
  },
  "luminance": 0.04657
}

Semantic roles & 50–950 ramp

primary

#1E3390

secondary

#BDA84D

accent

#C93FE8

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080611

muted

#7B7A80

Preview Lab

Preview with #1E3390

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

Preview Lab → · Contrast checker → · Palette generator →