#1E2388#1E2388

#1E2388 is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.4% C 0.163 H 271.3°. Best body text is #FFFFFF at 12.72:1 contrast (WCAG AA passes).

Color values

HEX	#1E2388
RGB	rgb(30, 35, 136)
HSL	hsl(237, 64%, 33%)
HSV	hsv(237, 78%, 53%)
CMYK	cmyk(77.9%, 74.3%, 0%, 46.7%)
CIE-LAB	lab(21.04, 34.67, -56.32)
CIE-LCH	lch(21.04, 66.13, 301.62°)
OKLab	oklab(33.38% 0.0038 -0.163)
OKLCH	oklch(33.38% 0.163 271.3)
XYZ	xyz(5.5789, 3.2551, 23.6220)
Luminance	0.0326 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E2388 #88831E

analogous

#1E5888 #1E2388 #4E1E88

triadic

#1E2388 #881E23 #23881E

tetradic

#1E2388 #881E58 #88831E #1E884E

square

#1E2388 #881E58 #88831E #1E884E

split-complementary

#1E2388 #884E1E #58881E

monochromatic

#080924 #131656 #1E2388 #2930BA #4950D7

Accessibility & contrast

On white

12.72

#1E2388 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#1E2388 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E2388

12.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E2388	#FFFFFF	#000000	##FFFFFF
##1E2388	1.00	12.72	1.65	12.72
#FFFFFF	12.72	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00388B

Deuteranopia (green-blind)

#002D86

Tritanopia (blue-blind)

#004053

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #1e2388;
/* rgb */ color: rgb(30, 35, 136);
/* oklch */ color: oklch(33.4% 0.163 271.3);

Tailwind

colors: {
  custom: {
    50: '#6d5fac',
    500: '#1e2388',
    950: '#000000',
  },
}

SCSS

$custom: #1e2388;
$custom-light: #6d5fac;
$custom-dark: #000000;

JSON

{
  "hex": "#1e2388",
  "rgb": {
    "r": 30,
    "g": 35,
    "b": 136
  },
  "hsl": {
    "h": 237.17,
    "s": 63.855,
    "l": 32.549
  },
  "oklch": {
    "l": 0.33378,
    "c": 0.16307,
    "h": 271.3
  },
  "luminance": 0.03256
}

Semantic roles & 50–950 ramp

primary

#1E2388

secondary

#B9B449

accent

#DF41E7

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #1E2388

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

Preview Lab → · Contrast checker → · Palette generator →