#1E1788#1E1788

#1E1788 is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.7% C 0.175 H 272.9°. Best body text is #FFFFFF at 13.70:1 contrast (WCAG AA passes).

Color values

HEX	#1E1788
RGB	rgb(30, 23, 136)
HSL	hsl(244, 71%, 31%)
HSV	hsv(244, 83%, 53%)
CMYK	cmyk(77.9%, 83.1%, 0%, 46.7%)
CIE-LAB	lab(18.65, 41.47, -60.26)
CIE-LCH	lch(18.65, 73.15, 304.53°)
OKLab	oklab(31.7% 0.0087 -0.1743)
OKLCH	oklch(31.7% 0.175 272.9)
XYZ	xyz(5.2843, 2.6658, 23.5238)
Luminance	0.0267 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E1788 #818817

analogous

#174888 #1E1788 #561788

triadic

#1E1788 #881E17 #17881E

tetradic

#1E1788 #881748 #818817 #178856

square

#1E1788 #881748 #818817 #178856

split-complementary

#1E1788 #885617 #488817

monochromatic

#07051F #120E54 #1E1788 #2A20BC #463BDE

Accessibility & contrast

On white

13.70

#1E1788 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#1E1788 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E1788

13.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E1788	#FFFFFF	#000000	##FFFFFF
##1E1788	1.00	13.70	1.53	13.70
#FFFFFF	13.70	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00338B

Deuteranopia (green-blind)

#002886

Tritanopia (blue-blind)

#003B50

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #1e1788;
/* rgb */ color: rgb(30, 23, 136);
/* oklch */ color: oklch(31.7% 0.175 272.9);

Tailwind

colors: {
  custom: {
    50: '#6e57ac',
    500: '#1e1788',
    950: '#000000',
  },
}

SCSS

$custom: #1e1788;
$custom-light: #6e57ac;
$custom-dark: #000000;

JSON

{
  "hex": "#1e1788",
  "rgb": {
    "r": 30,
    "g": 23,
    "b": 136
  },
  "hsl": {
    "h": 243.717,
    "s": 71.069,
    "l": 31.176
  },
  "oklch": {
    "l": 0.31697,
    "c": 0.17457,
    "h": 272.9
  },
  "luminance": 0.02666
}

Semantic roles & 50–950 ramp

primary

#1E1788

secondary

#B4BC3F

accent

#EE3AE3

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090310

muted

#7B787F

Preview Lab

Preview with #1E1788

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

Preview Lab → · Contrast checker → · Palette generator →