#1B419E#1B419E

#1B419E is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.0% C 0.158 H 263.9°. Best body text is #FFFFFF at 9.14:1 contrast (WCAG AA passes).

Color values

HEX	#1B419E
RGB	rgb(27, 65, 158)
HSL	hsl(223, 71%, 36%)
HSV	hsv(223, 83%, 62%)
CMYK	cmyk(82.9%, 58.9%, 0%, 38%)
CIE-LAB	lab(30.60, 22.86, -54.20)
CIE-LCH	lch(30.60, 58.82, 292.86°)
OKLab	oklab(41% -0.0168 -0.1567)
OKLCH	oklch(41% 0.158 263.9)
XYZ	xyz(8.5116, 6.4812, 33.1435)
Luminance	0.0648 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B419E #9E781B

analogous

#1B839E #1B419E #361B9E

triadic

#1B419E #9E1B41 #419E1B

tetradic

#1B419E #9E1B83 #9E781B #1B9E36

square

#1B419E #9E1B83 #9E781B #1B9E36

split-complementary

#1B419E #9E361B #839E1B

monochromatic

#091635 #122B6A #1B419E #2457D2 #527CE1

Accessibility & contrast

On white

9.14

#1B419E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#1B419E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B419E

9.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B419E	#FFFFFF	#000000	##FFFFFF
##1B419E	1.00	9.14	2.30	9.14
#FFFFFF	9.14	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EA1

Deuteranopia (green-blind)

#00429C

Tritanopia (blue-blind)

#005969

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #1b419e;
/* rgb */ color: rgb(27, 65, 158);
/* oklch */ color: oklch(41.0% 0.158 263.9);

Tailwind

colors: {
  custom: {
    50: '#6f75bb',
    500: '#1b419e',
    950: '#000000',
  },
}

SCSS

$custom: #1b419e;
$custom-light: #6f75bb;
$custom-dark: #000000;

JSON

{
  "hex": "#1b419e",
  "rgb": {
    "r": 27,
    "g": 65,
    "b": 158
  },
  "hsl": {
    "h": 222.595,
    "s": 70.811,
    "l": 36.275
  },
  "oklch": {
    "l": 0.40999,
    "c": 0.15755,
    "h": 263.9
  },
  "luminance": 0.06482
}

Semantic roles & 50–950 ramp

primary

#1B419E

secondary

#C4A351

accent

#BA3AEE

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #1B419E

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

Preview Lab → · Contrast checker → · Palette generator →