#1E2788#1E2788

#1E2788 is a dark, vivid blue. Relative luminance 0.035; OKLCH L 34.0% C 0.159 H 270.6°. Best body text is #FFFFFF at 12.35:1 contrast (WCAG AA passes).

Color values

HEX	#1E2788
RGB	rgb(30, 39, 136)
HSL	hsl(235, 64%, 33%)
HSV	hsv(235, 78%, 53%)
CMYK	cmyk(77.9%, 71.3%, 0%, 46.7%)
CIE-LAB	lab(21.96, 32.13, -54.80)
CIE-LCH	lch(21.96, 63.53, 300.39°)
OKLab	oklab(34.04% 0.0018 -0.1586)
OKLCH	oklch(34.04% 0.159 270.6)
XYZ	xyz(5.7034, 3.5040, 23.6635)
Luminance	0.0350 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E2788 #887F1E

analogous

#1E5C88 #1E2788 #4A1E88

triadic

#1E2788 #881E27 #27881E

tetradic

#1E2788 #881E5C #887F1E #1E884A

square

#1E2788 #881E5C #887F1E #1E884A

split-complementary

#1E2788 #884A1E #5C881E

monochromatic

#080A24 #131956 #1E2788 #2935BA #4955D7

Accessibility & contrast

On white

12.35

#1E2788 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#1E2788 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E2788

12.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E2788	#FFFFFF	#000000	##FFFFFF
##1E2788	1.00	12.35	1.70	12.35
#FFFFFF	12.35	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A8B

Deuteranopia (green-blind)

#002F86

Tritanopia (blue-blind)

#004254

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #1e2788;
/* rgb */ color: rgb(30, 39, 136);
/* oklch */ color: oklch(34.0% 0.159 270.6);

Tailwind

colors: {
  custom: {
    50: '#6d61ac',
    500: '#1e2788',
    950: '#000000',
  },
}

SCSS

$custom: #1e2788;
$custom-light: #6d61ac;
$custom-dark: #000000;

JSON

{
  "hex": "#1e2788",
  "rgb": {
    "r": 30,
    "g": 39,
    "b": 136
  },
  "hsl": {
    "h": 234.906,
    "s": 63.855,
    "l": 32.549
  },
  "oklch": {
    "l": 0.34041,
    "c": 0.15862,
    "h": 270.6
  },
  "luminance": 0.03505
}

Semantic roles & 50–950 ramp

primary

#1E2788

secondary

#B9B049

accent

#D941E7

background

#F7F5FA

surface

#EDEAF4

border

#C8C6CE

text

#080510

muted

#7B797F

Preview Lab

Preview with #1E2788

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

Preview Lab → · Contrast checker → · Palette generator →