#1B46A8#1B46A8

#1B46A8 is a dark, vivid blue. Relative luminance 0.074; OKLCH L 42.9% C 0.165 H 263.3°. Best body text is #FFFFFF at 8.44:1 contrast (WCAG AA passes).

Color values

HEX	#1B46A8
RGB	rgb(27, 70, 168)
HSL	hsl(222, 72%, 38%)
HSV	hsv(222, 84%, 66%)
CMYK	cmyk(83.9%, 58.3%, 0%, 34.1%)
CIE-LAB	lab(32.79, 23.43, -56.65)
CIE-LCH	lch(32.79, 61.30, 292.47°)
OKLab	oklab(42.9% -0.0194 -0.1638)
OKLCH	oklch(42.9% 0.165 263.3)
XYZ	xyz(9.7075, 7.4393, 37.9625)
Luminance	0.0744 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B46A8 #A87D1B

analogous

#1B8CA8 #1B46A8 #361BA8

triadic

#1B46A8 #A81B46 #46A81B

tetradic

#1B46A8 #A81B8C #A87D1B #1BA836

square

#1B46A8 #A81B8C #A87D1B #1BA836

split-complementary

#1B46A8 #A8361B #8CA81B

monochromatic

#0A1A3F #133073 #1B46A8 #245CDC #5984E4

Accessibility & contrast

On white

8.44

#1B46A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#1B46A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B46A8

8.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B46A8	#FFFFFF	#000000	##FFFFFF
##1B46A8	1.00	8.44	2.49	8.44
#FFFFFF	8.44	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054AB

Deuteranopia (green-blind)

#0047A6

Tritanopia (blue-blind)

#005F70

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #1b46a8;
/* rgb */ color: rgb(27, 70, 168);
/* oklch */ color: oklch(42.9% 0.165 263.3);

Tailwind

colors: {
  custom: {
    50: '#7278c3',
    500: '#1b46a8',
    950: '#000000',
  },
}

SCSS

$custom: #1b46a8;
$custom-light: #7278c3;
$custom-dark: #000000;

JSON

{
  "hex": "#1b46a8",
  "rgb": {
    "r": 27,
    "g": 70,
    "b": 168
  },
  "hsl": {
    "h": 221.702,
    "s": 72.308,
    "l": 38.235
  },
  "oklch": {
    "l": 0.42901,
    "c": 0.1649,
    "h": 263.3
  },
  "luminance": 0.0744
}

Semantic roles & 50–950 ramp

primary

#1B46A8

secondary

#C8A557

accent

#B739EF

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#090913

muted

#7B7B82

Preview Lab

Preview with #1B46A8

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

Preview Lab → · Contrast checker → · Palette generator →