#1F46AD#1F46AD

#1F46AD is a dark, vivid blue. Relative luminance 0.077; OKLCH L 43.5% C 0.171 H 264.5°. Best body text is #FFFFFF at 8.27:1 contrast (WCAG AA passes).

Color values

HEX	#1F46AD
RGB	rgb(31, 70, 173)
HSL	hsl(224, 70%, 40%)
HSV	hsv(224, 82%, 68%)
CMYK	cmyk(82.1%, 59.5%, 0%, 32.2%)
CIE-LAB	lab(33.32, 25.74, -58.76)
CIE-LCH	lch(33.32, 64.15, 293.66°)
OKLab	oklab(43.47% -0.0165 -0.1699)
OKLCH	oklch(43.47% 0.171 264.5)
XYZ	xyz(10.2954, 7.6875, 40.4683)
Luminance	0.0769 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F46AD #AD861F

analogous

#1F8DAD #1F46AD #3F1FAD

triadic

#1F46AD #AD1F46 #46AD1F

tetradic

#1F46AD #AD1F8D #AD861F #1FAD3F

square

#1F46AD #AD1F8D #AD861F #1FAD3F

split-complementary

#1F46AD #AD3F1F #8DAD1F

monochromatic

#0C1C45 #163179 #1F46AD #2F5EDA #6386E3

Accessibility & contrast

On white

8.27

#1F46AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#1F46AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F46AD

8.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F46AD	#FFFFFF	#000000	##FFFFFF
##1F46AD	1.00	8.27	2.54	8.27
#FFFFFF	8.27	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.27	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: #1f46ad;
/* rgb */ color: rgb(31, 70, 173);
/* oklch */ color: oklch(43.5% 0.171 264.5);

Tailwind

colors: {
  custom: {
    50: '#7478c6',
    500: '#1f46ad',
    950: '#000000',
  },
}

SCSS

$custom: #1f46ad;
$custom-light: #7478c6;
$custom-dark: #000000;

JSON

{
  "hex": "#1f46ad",
  "rgb": {
    "r": 31,
    "g": 70,
    "b": 173
  },
  "hsl": {
    "h": 223.521,
    "s": 69.608,
    "l": 40
  },
  "oklch": {
    "l": 0.43468,
    "c": 0.17068,
    "h": 264.5
  },
  "luminance": 0.07689
}

Semantic roles & 50–950 ramp

primary

#1F46AD

secondary

#C8AB60

accent

#BC3BEC

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #1F46AD

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

Preview Lab → · Contrast checker → · Palette generator →