#1E3563#1E3563

#1E3563 is a dark, moderate blue. Relative luminance 0.037; OKLCH L 33.6% C 0.086 H 262.7°. Best body text is #FFFFFF at 12.04:1 contrast (WCAG AA passes).

Color values

HEX	#1E3563
RGB	rgb(30, 53, 99)
HSL	hsl(220, 53%, 25%)
HSV	hsv(220, 70%, 39%)
CMYK	cmyk(69.7%, 46.5%, 0%, 61.2%)
CIE-LAB	lab(22.73, 7.83, -29.92)
CIE-LCH	lch(22.73, 30.93, 284.67°)
OKLab	oklab(33.65% -0.011 -0.0854)
OKLCH	oklch(33.65% 0.086 262.7)
XYZ	xyz(4.0599, 3.7227, 12.3066)
Luminance	0.0372 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E3563 #634C1E

analogous

#1E5763 #1E3563 #291E63

triadic

#1E3563 #631E35 #35631E

tetradic

#1E3563 #631E57 #634C1E #1E6329

square

#1E3563 #631E57 #634C1E #1E6329

split-complementary

#1E3563 #63291E #57631E

monochromatic

#070D17 #101C34 #1E3563 #2C4E92 #3A67C1

Accessibility & contrast

On white

12.04

#1E3563 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#1E3563 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E3563

12.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E3563	#FFFFFF	#000000	##FFFFFF
##1E3563	1.00	12.04	1.74	12.04
#FFFFFF	12.04	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F3A65

Deuteranopia (green-blind)

#143362

Tritanopia (blue-blind)

#004047

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #1e3563;
/* rgb */ color: rgb(30, 53, 99);
/* oklch */ color: oklch(33.6% 0.086 262.7);

Tailwind

colors: {
  custom: {
    50: '#626b90',
    500: '#1e3563',
    950: '#000000',
  },
}

SCSS

$custom: #1e3563;
$custom-light: #626b90;
$custom-dark: #000000;

JSON

{
  "hex": "#1e3563",
  "rgb": {
    "r": 30,
    "g": 53,
    "b": 99
  },
  "hsl": {
    "h": 220,
    "s": 53.488,
    "l": 25.294
  },
  "oklch": {
    "l": 0.33647,
    "c": 0.08613,
    "h": 262.7
  },
  "luminance": 0.03723
}

Semantic roles & 50–950 ramp

primary

#1E3563

secondary

#987C45

accent

#AC4BDD

background

#F6F6F8

surface

#EBEBF0

border

#C6C6CB

text

#06060C

muted

#7A7A7D

Preview Lab

Preview with #1E3563

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

Preview Lab → · Contrast checker → · Palette generator →