#1B419C#1B419C

#1B419C is a dark, vivid blue. Relative luminance 0.064; OKLCH L 40.8% C 0.155 H 263.7°. Best body text is #FFFFFF at 9.20:1 contrast (WCAG AA passes).

Color values

HEX	#1B419C
RGB	rgb(27, 65, 156)
HSL	hsl(222, 70%, 36%)
HSV	hsv(222, 83%, 61%)
CMYK	cmyk(82.7%, 58.3%, 0%, 38.8%)
CIE-LAB	lab(30.43, 22.06, -53.26)
CIE-LCH	lch(30.43, 57.64, 292.50°)
OKLab	oklab(40.82% -0.0169 -0.1539)
OKLCH	oklch(40.82% 0.155 263.7)
XYZ	xyz(8.3409, 6.4129, 32.2443)
Luminance	0.0641 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B419C #9C761B

analogous

#1B819C #1B419C #361B9C

triadic

#1B419C #9C1B41 #419C1B

tetradic

#1B419C #9C1B81 #9C761B #1B9C36

square

#1B419C #9C1B81 #9C761B #1B9C36

split-complementary

#1B419C #9C361B #819C1B

monochromatic

#091634 #122B68 #1B419C #2457D0 #517BE1

Accessibility & contrast

On white

9.20

#1B419C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#1B419C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B419C

9.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B419C	#FFFFFF	#000000	##FFFFFF
##1B419C	1.00	9.20	2.28	9.20
#FFFFFF	9.20	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004E9F

Deuteranopia (green-blind)

#00429A

Tritanopia (blue-blind)

#005868

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #1b419c;
/* rgb */ color: rgb(27, 65, 156);
/* oklch */ color: oklch(40.8% 0.155 263.7);

Tailwind

colors: {
  custom: {
    50: '#6f75ba',
    500: '#1b419c',
    950: '#000000',
  },
}

SCSS

$custom: #1b419c;
$custom-light: #6f75ba;
$custom-dark: #000000;

JSON

{
  "hex": "#1b419c",
  "rgb": {
    "r": 27,
    "g": 65,
    "b": 156
  },
  "hsl": {
    "h": 222.326,
    "s": 70.492,
    "l": 35.882
  },
  "oklch": {
    "l": 0.40824,
    "c": 0.15481,
    "h": 263.7
  },
  "luminance": 0.06414
}

Semantic roles & 50–950 ramp

primary

#1B419C

secondary

#C3A14F

accent

#B93BED

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #1B419C

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

Preview Lab → · Contrast checker → · Palette generator →