#1E228B#1E228B

#1E228B is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.6% C 0.168 H 271.3°. Best body text is #FFFFFF at 12.68:1 contrast (WCAG AA passes).

Color values

HEX	#1E228B
RGB	rgb(30, 34, 139)
HSL	hsl(238, 64%, 33%)
HSV	hsv(238, 78%, 55%)
CMYK	cmyk(78.4%, 75.5%, 0%, 45.5%)
CIE-LAB	lab(21.15, 36.36, -58.02)
CIE-LCH	lch(21.15, 68.47, 302.07°)
OKLab	oklab(33.55% 0.0038 -0.168)
OKLCH	oklch(33.55% 0.168 271.3)
XYZ	xyz(5.7661, 3.2835, 24.7510)
Luminance	0.0328 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E228B #8B871E

analogous

#1E588B #1E228B #501E8B

triadic

#1E228B #8B1E22 #228B1E

tetradic

#1E228B #8B1E58 #8B871E #1E8B50

square

#1E228B #8B1E58 #8B871E #1E8B50

split-complementary

#1E228B #8B501E #588B1E

monochromatic

#080926 #131659 #1E228B #292EBD #4B50D8

Accessibility & contrast

On white

12.68

#1E228B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#1E228B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E228B

12.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E228B	#FFFFFF	#000000	##FFFFFF
##1E228B	1.00	12.68	1.66	12.68
#FFFFFF	12.68	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00388E

Deuteranopia (green-blind)

#002D89

Tritanopia (blue-blind)

#004054

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #1e228b;
/* rgb */ color: rgb(30, 34, 139);
/* oklch */ color: oklch(33.6% 0.168 271.3);

Tailwind

colors: {
  custom: {
    50: '#6e5eae',
    500: '#1e228b',
    950: '#000000',
  },
}

SCSS

$custom: #1e228b;
$custom-light: #6e5eae;
$custom-dark: #000000;

JSON

{
  "hex": "#1e228b",
  "rgb": {
    "r": 30,
    "g": 34,
    "b": 139
  },
  "hsl": {
    "h": 237.798,
    "s": 64.497,
    "l": 33.137
  },
  "oklch": {
    "l": 0.33553,
    "c": 0.16801,
    "h": 271.3
  },
  "luminance": 0.03284
}

Semantic roles & 50–950 ramp

primary

#1E228B

secondary

#BBB74A

accent

#E140E7

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #1E228B

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

Preview Lab → · Contrast checker → · Palette generator →