#1E2188#1E2188

#1E2188 is a dark, vivid blue. Relative luminance 0.031; OKLCH L 33.1% C 0.165 H 271.7°. Best body text is #FFFFFF at 12.90:1 contrast (WCAG AA passes).

Color values

HEX	#1E2188
RGB	rgb(30, 33, 136)
HSL	hsl(238, 64%, 33%)
HSV	hsv(238, 78%, 53%)
CMYK	cmyk(77.9%, 75.7%, 0%, 46.7%)
CIE-LAB	lab(20.60, 35.90, -57.04)
CIE-LCH	lch(20.60, 67.40, 302.18°)
OKLab	oklab(33.07% 0.0048 -0.1651)
OKLCH	oklch(33.07% 0.165 271.7)
XYZ	xyz(5.5217, 3.1407, 23.6030)
Luminance	0.0314 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E2188 #88851E

analogous

#1E5688 #1E2188 #501E88

triadic

#1E2188 #881E21 #21881E

tetradic

#1E2188 #881E56 #88851E #1E8850

square

#1E2188 #881E56 #88851E #1E8850

split-complementary

#1E2188 #88501E #56881E

monochromatic

#080924 #131556 #1E2188 #292DBA #494DD7

Accessibility & contrast

On white

12.90

#1E2188 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#1E2188 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E2188

12.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E2188	#FFFFFF	#000000	##FFFFFF
##1E2188	1.00	12.90	1.63	12.90
#FFFFFF	12.90	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00378B

Deuteranopia (green-blind)

#002C86

Tritanopia (blue-blind)

#003F52

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #1e2188;
/* rgb */ color: rgb(30, 33, 136);
/* oklch */ color: oklch(33.1% 0.165 271.7);

Tailwind

colors: {
  custom: {
    50: '#6d5dac',
    500: '#1e2188',
    950: '#000000',
  },
}

SCSS

$custom: #1e2188;
$custom-light: #6d5dac;
$custom-dark: #000000;

JSON

{
  "hex": "#1e2188",
  "rgb": {
    "r": 30,
    "g": 33,
    "b": 136
  },
  "hsl": {
    "h": 238.302,
    "s": 63.855,
    "l": 32.549
  },
  "oklch": {
    "l": 0.33065,
    "c": 0.1652,
    "h": 271.7
  },
  "luminance": 0.03141
}

Semantic roles & 50–950 ramp

primary

#1E2188

secondary

#B9B649

accent

#E241E7

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #1E2188

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

Preview Lab → · Contrast checker → · Palette generator →