#1B419A#1B419A

#1B419A is a dark, vivid blue. Relative luminance 0.063; OKLCH L 40.7% C 0.152 H 263.6°. Best body text is #FFFFFF at 9.25:1 contrast (WCAG AA passes).

Color values

HEX	#1B419A
RGB	rgb(27, 65, 154)
HSL	hsl(222, 70%, 35%)
HSV	hsv(222, 82%, 60%)
CMYK	cmyk(82.5%, 57.8%, 0%, 39.6%)
CIE-LAB	lab(30.27, 21.26, -52.31)
CIE-LCH	lch(30.27, 56.46, 292.12°)
OKLab	oklab(40.65% -0.017 -0.1511)
OKLCH	oklch(40.65% 0.152 263.6)
XYZ	xyz(8.1729, 6.3457, 31.3597)
Luminance	0.0635 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B419A #9A741B

analogous

#1B809A #1B419A #341B9A

triadic

#1B419A #9A1B41 #419A1B

tetradic

#1B419A #9A1B80 #9A741B #1B9A34

square

#1B419A #9A1B80 #9A741B #1B9A34

split-complementary

#1B419A #9A341B #809A1B

monochromatic

#091532 #122B66 #1B419A #2457CE #4F7BE0

Accessibility & contrast

On white

9.25

#1B419A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#1B419A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B419A

9.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B419A	#FFFFFF	#000000	##FFFFFF
##1B419A	1.00	9.25	2.27	9.25
#FFFFFF	9.25	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004D9D

Deuteranopia (green-blind)

#004298

Tritanopia (blue-blind)

#005767

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #1b419a;
/* rgb */ color: rgb(27, 65, 154);
/* oklch */ color: oklch(40.7% 0.152 263.6);

Tailwind

colors: {
  custom: {
    50: '#6e75b8',
    500: '#1b419a',
    950: '#000000',
  },
}

SCSS

$custom: #1b419a;
$custom-light: #6e75b8;
$custom-dark: #000000;

JSON

{
  "hex": "#1b419a",
  "rgb": {
    "r": 27,
    "g": 65,
    "b": 154
  },
  "hsl": {
    "h": 222.047,
    "s": 70.166,
    "l": 35.49
  },
  "oklch": {
    "l": 0.40651,
    "c": 0.15205,
    "h": 263.6
  },
  "luminance": 0.06347
}

Semantic roles & 50–950 ramp

primary

#1B419A

secondary

#C3A04E

accent

#B83BED

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1B419A

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

Preview Lab → · Contrast checker → · Palette generator →