#1B46A1#1B46A1

#1B46A1 is a dark, vivid blue. Relative luminance 0.072; OKLCH L 42.3% C 0.155 H 262.7°. Best body text is #FFFFFF at 8.62:1 contrast (WCAG AA passes).

Color values

HEX	#1B46A1
RGB	rgb(27, 70, 161)
HSL	hsl(221, 71%, 37%)
HSV	hsv(221, 83%, 63%)
CMYK	cmyk(83.2%, 56.5%, 0%, 36.9%)
CIE-LAB	lab(32.23, 20.64, -53.36)
CIE-LCH	lch(32.23, 57.21, 291.15°)
OKLab	oklab(42.3% -0.0198 -0.1541)
OKLCH	oklch(42.3% 0.155 262.7)
XYZ	xyz(9.0729, 7.1854, 34.6200)
Luminance	0.0719 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B46A1 #A1761B

analogous

#1B89A1 #1B46A1 #331BA1

triadic

#1B46A1 #A11B46 #46A11B

tetradic

#1B46A1 #A11B89 #A1761B #1BA133

square

#1B46A1 #A11B89 #A1761B #1BA133

split-complementary

#1B46A1 #A1331B #89A11B

monochromatic

#091838 #122F6D #1B46A1 #245DD5 #5482E2

Accessibility & contrast

On white

8.62

#1B46A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#1B46A1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B46A1

8.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B46A1	#FFFFFF	#000000	##FFFFFF
##1B46A1	1.00	8.62	2.44	8.62
#FFFFFF	8.62	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052A4

Deuteranopia (green-blind)

#00469F

Tritanopia (blue-blind)

#005D6C

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #1b46a1;
/* rgb */ color: rgb(27, 70, 161);
/* oklch */ color: oklch(42.3% 0.155 262.7);

Tailwind

colors: {
  custom: {
    50: '#7078be',
    500: '#1b46a1',
    950: '#000000',
  },
}

SCSS

$custom: #1b46a1;
$custom-light: #7078be;
$custom-dark: #000000;

JSON

{
  "hex": "#1b46a1",
  "rgb": {
    "r": 27,
    "g": 70,
    "b": 161
  },
  "hsl": {
    "h": 220.746,
    "s": 71.277,
    "l": 36.863
  },
  "oklch": {
    "l": 0.42302,
    "c": 0.15536,
    "h": 262.7
  },
  "luminance": 0.07187
}

Semantic roles & 50–950 ramp

primary

#1B46A1

secondary

#C5A052

accent

#B43AEE

background

#F7F7FB

surface

#EDEDF7

border

#C8C8D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #1B46A1

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

Preview Lab → · Contrast checker → · Palette generator →