#1E1FA1#1E1FA1

#1E1FA1 is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.7% C 0.198 H 270.2°. Best body text is #FFFFFF at 11.89:1 contrast (WCAG AA passes).

Color values

HEX	#1E1FA1
RGB	rgb(30, 31, 161)
HSL	hsl(240, 69%, 37%)
HSV	hsv(240, 81%, 63%)
CMYK	cmyk(81.4%, 80.7%, 0%, 36.9%)
CIE-LAB	lab(23.10, 45.53, -68.36)
CIE-LCH	lch(23.10, 82.13, 303.66°)
OKLab	oklab(35.67% 0.0007 -0.1979)
OKLCH	oklch(35.67% 0.198 270.2)
XYZ	xyz(7.4562, 3.8283, 34.0573)
Luminance	0.0383 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E1FA1 #A1A01E

analogous

#1E61A1 #1E1FA1 #5F1EA1

triadic

#1E1FA1 #A11E1F #1FA11E

tetradic

#1E1FA1 #A11E61 #A1A01E #1EA15F

square

#1E1FA1 #A11E61 #A1A01E #1EA15F

split-complementary

#1E1FA1 #A15F1E #61A11E

monochromatic

#0B0B3A #14156D #1E1FA1 #2829D5 #595AE0

Accessibility & contrast

On white

11.89

#1E1FA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#1E1FA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E1FA1

11.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E1FA1	#FFFFFF	#000000	##FFFFFF
##1E1FA1	1.00	11.89	1.77	11.89
#FFFFFF	11.89	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003EA5

Deuteranopia (green-blind)

#00309F

Tritanopia (blue-blind)

#004860

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #1e1fa1;
/* rgb */ color: rgb(30, 31, 161);
/* oklch */ color: oklch(35.7% 0.198 270.2);

Tailwind

colors: {
  custom: {
    50: '#745ebe',
    500: '#1e1fa1',
    950: '#000000',
  },
}

SCSS

$custom: #1e1fa1;
$custom-light: #745ebe;
$custom-dark: #000000;

JSON

{
  "hex": "#1e1fa1",
  "rgb": {
    "r": 30,
    "g": 31,
    "b": 161
  },
  "hsl": {
    "h": 239.542,
    "s": 68.586,
    "l": 37.451
  },
  "oklch": {
    "l": 0.3567,
    "c": 0.19794,
    "h": 270.2
  },
  "luminance": 0.03829
}

Semantic roles & 50–950 ramp

primary

#1E1FA1

secondary

#C4C357

accent

#EA3CEB

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #1E1FA1

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

Preview Lab → · Contrast checker → · Palette generator →