#1E1B73#1E1B73

#1E1B73 is a dark, vivid blue. Relative luminance 0.023; OKLCH L 29.8% C 0.144 H 274.7°. Best body text is #FFFFFF at 14.39:1 contrast (WCAG AA passes).

Color values

HEX	#1E1B73
RGB	rgb(30, 27, 115)
HSL	hsl(242, 62%, 28%)
HSV	hsv(242, 77%, 45%)
CMYK	cmyk(73.9%, 76.5%, 0%, 54.9%)
CIE-LAB	lab(16.98, 32.08, -49.66)
CIE-LCH	lch(16.98, 59.12, 302.86°)
OKLab	oklab(29.8% 0.0118 -0.1436)
OKLCH	oklch(29.8% 0.144 274.7)
XYZ	xyz(4.0208, 2.2973, 16.4479)
Luminance	0.0230 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E1B73 #70731B

analogous

#1B4473 #1E1B73 #4A1B73

triadic

#1E1B73 #731E1B #1B731E

tetradic

#1E1B73 #731B44 #70731B #1B734A

square

#1E1B73 #731B44 #70731B #1B734A

split-complementary

#1E1B73 #734A1B #44731B

monochromatic

#060619 #110F41 #1E1B73 #2B27A5 #3D38D0

Accessibility & contrast

On white

14.39

#1E1B73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#1E1B73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E1B73

14.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E1B73	#FFFFFF	#000000	##FFFFFF
##1E1B73	1.00	14.39	1.46	14.39
#FFFFFF	14.39	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E76

Deuteranopia (green-blind)

#002671

Tritanopia (blue-blind)

#003445

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #1e1b73;
/* rgb */ color: rgb(30, 27, 115);
/* oklch */ color: oklch(29.8% 0.144 274.7);

Tailwind

colors: {
  custom: {
    50: '#68589c',
    500: '#1e1b73',
    950: '#000000',
  },
}

SCSS

$custom: #1e1b73;
$custom-light: #68589c;
$custom-dark: #000000;

JSON

{
  "hex": "#1e1b73",
  "rgb": {
    "r": 30,
    "g": 27,
    "b": 115
  },
  "hsl": {
    "h": 242.045,
    "s": 61.972,
    "l": 27.843
  },
  "oklch": {
    "l": 0.29798,
    "c": 0.14408,
    "h": 274.7
  },
  "luminance": 0.02298
}

Semantic roles & 50–950 ramp

primary

#1E1B73

secondary

#A4A842

accent

#E543E0

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #1E1B73

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

Preview Lab → · Contrast checker → · Palette generator →