#1B1969#1B1969

#1B1969 is a dark, vivid blue. Relative luminance 0.019; OKLCH L 28.2% C 0.134 H 274.7°. Best body text is #FFFFFF at 15.11:1 contrast (WCAG AA passes).

Color values

HEX	#1B1969
RGB	rgb(27, 25, 105)
HSL	hsl(242, 62%, 25%)
HSV	hsv(242, 76%, 41%)
CMYK	cmyk(74.3%, 76.2%, 0%, 58.8%)
CIE-LAB	lab(15.21, 29.38, -46.07)
CIE-LCH	lch(15.21, 54.64, 302.53°)
OKLab	oklab(28.15% 0.0109 -0.1332)
OKLCH	oklch(28.15% 0.134 274.7)
XYZ	xyz(3.3486, 1.9479, 13.5614)
Luminance	0.0195 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B1969 #676919

analogous

#193F69 #1B1969 #431969

triadic

#1B1969 #691B19 #19691B

tetradic

#1B1969 #69193F #676919 #196943

square

#1B1969 #69193F #676919 #196943

split-complementary

#1B1969 #694319 #3F6919

monochromatic

#060619 #0E0D38 #1B1969 #28259A #3431CC

Accessibility & contrast

On white

15.11

#1B1969 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#1B1969 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B1969

15.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B1969	#FFFFFF	#000000	##FFFFFF
##1B1969	1.00	15.11	1.39	15.11
#FFFFFF	15.11	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A6B

Deuteranopia (green-blind)

#002268

Tritanopia (blue-blind)

#00303F

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #1b1969;
/* rgb */ color: rgb(27, 25, 105);
/* oklch */ color: oklch(28.2% 0.134 274.7);

Tailwind

colors: {
  custom: {
    50: '#655695',
    500: '#1b1969',
    950: '#000000',
  },
}

SCSS

$custom: #1b1969;
$custom-light: #655695;
$custom-dark: #000000;

JSON

{
  "hex": "#1b1969",
  "rgb": {
    "r": 27,
    "g": 25,
    "b": 105
  },
  "hsl": {
    "h": 241.5,
    "s": 61.538,
    "l": 25.49
  },
  "oklch": {
    "l": 0.28154,
    "c": 0.13364,
    "h": 274.7
  },
  "luminance": 0.01948
}

Semantic roles & 50–950 ramp

primary

#1B1969

secondary

#9C9F3F

accent

#E543E1

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06030D

muted

#7A787E

Preview Lab

Preview with #1B1969

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

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