#1B46AD#1B46AD

#1B46AD is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.3% C 0.172 H 263.6°. Best body text is #FFFFFF at 8.31:1 contrast (WCAG AA passes).

Color values

HEX	#1B46AD
RGB	rgb(27, 70, 173)
HSL	hsl(222, 73%, 39%)
HSV	hsv(222, 84%, 68%)
CMYK	cmyk(84.4%, 59.5%, 0%, 32.2%)
CIE-LAB	lab(33.20, 25.41, -58.97)
CIE-LCH	lch(33.20, 64.21, 293.31°)
OKLab	oklab(43.34% -0.0191 -0.1705)
OKLCH	oklch(43.34% 0.172 263.6)
XYZ	xyz(10.1823, 7.6292, 40.4630)
Luminance	0.0763 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B46AD #AD821B

analogous

#1B8FAD #1B46AD #391BAD

triadic

#1B46AD #AD1B46 #46AD1B

tetradic

#1B46AD #AD1B8F #AD821B #1BAD39

square

#1B46AD #AD1B8F #AD821B #1BAD39

split-complementary

#1B46AD #AD391B #8FAD1B

monochromatic

#0A1B43 #133178 #1B46AD #285DDD #5D85E6

Accessibility & contrast

On white

8.31

#1B46AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#1B46AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B46AD

8.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B46AD	#FFFFFF	#000000	##FFFFFF
##1B46AD	1.00	8.31	2.53	8.31
#FFFFFF	8.31	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055B0

Deuteranopia (green-blind)

#0048AB

Tritanopia (blue-blind)

#006072

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #1b46ad;
/* rgb */ color: rgb(27, 70, 173);
/* oklch */ color: oklch(43.3% 0.172 263.6);

Tailwind

colors: {
  custom: {
    50: '#7378c6',
    500: '#1b46ad',
    950: '#000000',
  },
}

SCSS

$custom: #1b46ad;
$custom-light: #7378c6;
$custom-dark: #000000;

JSON

{
  "hex": "#1b46ad",
  "rgb": {
    "r": 27,
    "g": 70,
    "b": 173
  },
  "hsl": {
    "h": 222.329,
    "s": 73,
    "l": 39.216
  },
  "oklch": {
    "l": 0.43339,
    "c": 0.17162,
    "h": 263.6
  },
  "luminance": 0.0763
}

Semantic roles & 50–950 ramp

primary

#1B46AD

secondary

#CAA95A

accent

#BA38F0

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #1B46AD

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

Preview Lab → · Contrast checker → · Palette generator →