#1E1B59#1E1B59

#1E1B59 is a dark, moderate blue. Relative luminance 0.018; OKLCH L 27.1% C 0.108 H 278.6°. Best body text is #FFFFFF at 15.48:1 contrast (WCAG AA passes).

Color values

HEX	#1E1B59
RGB	rgb(30, 27, 89)
HSL	hsl(243, 53%, 23%)
HSV	hsv(243, 70%, 35%)
CMYK	cmyk(66.3%, 69.7%, 0%, 65.1%)
CIE-LAB	lab(14.29, 22.55, -36.94)
CIE-LCH	lch(14.29, 43.28, 301.40°)
OKLab	oklab(27.05% 0.016 -0.1064)
OKLCH	oklch(27.05% 0.108 278.6)
XYZ	xyz(2.7299, 1.7809, 9.6492)
Luminance	0.0178 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E1B59 #56591B

analogous

#1B3759 #1E1B59 #3D1B59

triadic

#1E1B59 #591E1B #1B591E

tetradic

#1E1B59 #591B37 #56591B #1B593D

square

#1E1B59 #591B37 #56591B #1B593D

split-complementary

#1E1B59 #593D1B #37591B

monochromatic

#080717 #0E0D2A #1E1B59 #2E2988 #3E37B7

Accessibility & contrast

On white

15.48

#1E1B59 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#1E1B59 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E1B59

15.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E1B59	#FFFFFF	#000000	##FFFFFF
##1E1B59	1.00	15.48	1.36	15.48
#FFFFFF	15.48	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00275B

Deuteranopia (green-blind)

#002258

Tritanopia (blue-blind)

#002B37

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #1e1b59;
/* rgb */ color: rgb(30, 27, 89);
/* oklch */ color: oklch(27.1% 0.108 278.6);

Tailwind

colors: {
  custom: {
    50: '#625789',
    500: '#1e1b59',
    950: '#000000',
  },
}

SCSS

$custom: #1e1b59;
$custom-light: #625789;
$custom-dark: #000000;

JSON

{
  "hex": "#1e1b59",
  "rgb": {
    "r": 30,
    "g": 27,
    "b": 89
  },
  "hsl": {
    "h": 242.903,
    "s": 53.448,
    "l": 22.745
  },
  "oklch": {
    "l": 0.27053,
    "c": 0.10759,
    "h": 278.6
  },
  "luminance": 0.01781
}

Semantic roles & 50–950 ramp

primary

#1E1B59

secondary

#8B8F41

accent

#DD4BD6

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#05030B

muted

#7A787C

Preview Lab

Preview with #1E1B59

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

Preview Lab → · Contrast checker → · Palette generator →