#1F46A1#1F46A1

#1F46A1 is a dark, vivid blue. Relative luminance 0.072; OKLCH L 42.4% C 0.154 H 263.6°. Best body text is #FFFFFF at 8.57:1 contrast (WCAG AA passes).

Color values

HEX	#1F46A1
RGB	rgb(31, 70, 161)
HSL	hsl(222, 68%, 38%)
HSV	hsv(222, 81%, 63%)
CMYK	cmyk(80.7%, 56.5%, 0%, 36.9%)
CIE-LAB	lab(32.36, 21.03, -53.14)
CIE-LCH	lch(32.36, 57.15, 291.59°)
OKLab	oklab(42.44% -0.0171 -0.1534)
OKLCH	oklch(42.44% 0.154 263.6)
XYZ	xyz(9.1860, 7.2437, 34.6253)
Luminance	0.0725 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F46A1 #A17A1F

analogous

#1F87A1 #1F46A1 #391FA1

triadic

#1F46A1 #A11F46 #46A11F

tetradic

#1F46A1 #A11F87 #A17A1F #1FA139

square

#1F46A1 #A11F87 #A17A1F #1FA139

split-complementary

#1F46A1 #A1391F #87A11F

monochromatic

#0B193A #15306E #1F46A1 #295CD4 #5B83DF

Accessibility & contrast

On white

8.57

#1F46A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#1F46A1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F46A1

8.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F46A1	#FFFFFF	#000000	##FFFFFF
##1F46A1	1.00	8.57	2.45	8.57
#FFFFFF	8.57	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.57	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: #1f46a1;
/* rgb */ color: rgb(31, 70, 161);
/* oklch */ color: oklch(42.4% 0.154 263.6);

Tailwind

colors: {
  custom: {
    50: '#7178be',
    500: '#1f46a1',
    950: '#000000',
  },
}

SCSS

$custom: #1f46a1;
$custom-light: #7178be;
$custom-dark: #000000;

JSON

{
  "hex": "#1f46a1",
  "rgb": {
    "r": 31,
    "g": 70,
    "b": 161
  },
  "hsl": {
    "h": 222,
    "s": 67.708,
    "l": 37.647
  },
  "oklch": {
    "l": 0.42437,
    "c": 0.15435,
    "h": 263.6
  },
  "luminance": 0.07245
}

Semantic roles & 50–950 ramp

primary

#1F46A1

secondary

#C4A358

accent

#B73DEB

background

#F7F7FB

surface

#EDEDF7

border

#C8C8D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #1F46A1

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

Preview Lab → · Contrast checker → · Palette generator →