#1B1469#1B1469

#1B1469 is a dark, vivid blue. Relative luminance 0.018; OKLCH L 27.4% C 0.139 H 275.7°. Best body text is #FFFFFF at 15.55:1 contrast (WCAG AA passes).

Color values

HEX	#1B1469
RGB	rgb(27, 20, 105)
HSL	hsl(245, 68%, 25%)
HSV	hsv(245, 81%, 41%)
CMYK	cmyk(74.3%, 81%, 0%, 58.8%)
CIE-LAB	lab(14.13, 32.42, -47.85)
CIE-LCH	lch(14.13, 57.80, 304.12°)
OKLab	oklab(27.39% 0.0138 -0.1383)
OKLCH	oklch(27.39% 0.139 275.7)
XYZ	xyz(3.2511, 1.7529, 13.5289)
Luminance	0.0175 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B1469 #626914

analogous

#143869 #1B1469 #461469

triadic

#1B1469 #691B14 #14691B

tetradic

#1B1469 #691438 #626914 #146946

square

#1B1469 #691438 #626914 #146946

split-complementary

#1B1469 #694614 #386914

monochromatic

#07051A #0E0A36 #1B1469 #281E9C #3528D0

Accessibility & contrast

On white

15.55

#1B1469 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#1B1469 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B1469

15.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B1469	#FFFFFF	#000000	##FFFFFF
##1B1469	1.00	15.55	1.35	15.55
#FFFFFF	15.55	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00286B

Deuteranopia (green-blind)

#002068

Tritanopia (blue-blind)

#002D3E

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #1b1469;
/* rgb */ color: rgb(27, 20, 105);
/* oklch */ color: oklch(27.4% 0.139 275.7);

Tailwind

colors: {
  custom: {
    50: '#655395',
    500: '#1b1469',
    950: '#000000',
  },
}

SCSS

$custom: #1b1469;
$custom-light: #655395;
$custom-dark: #000000;

JSON

{
  "hex": "#1b1469",
  "rgb": {
    "r": 27,
    "g": 20,
    "b": 105
  },
  "hsl": {
    "h": 244.941,
    "s": 68,
    "l": 24.51
  },
  "oklch": {
    "l": 0.27391,
    "c": 0.13902,
    "h": 275.7
  },
  "luminance": 0.01753
}

Semantic roles & 50–950 ramp

primary

#1B1469

secondary

#98A039

accent

#EB3DDD

background

#F6F4F9

surface

#EBE7F2

border

#C6C3CC

text

#06020D

muted

#7A787E

Preview Lab

Preview with #1B1469

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

Preview Lab → · Contrast checker → · Palette generator →