#1F44A7#1F44A7

#1F44A7 is a dark, vivid blue. Relative luminance 0.072; OKLCH L 42.5% C 0.165 H 264.6°. Best body text is #FFFFFF at 8.60:1 contrast (WCAG AA passes).

Color values

HEX	#1F44A7
RGB	rgb(31, 68, 167)
HSL	hsl(224, 69%, 39%)
HSV	hsv(224, 81%, 65%)
CMYK	cmyk(81.4%, 59.3%, 0%, 34.5%)
CIE-LAB	lab(32.29, 24.74, -56.85)
CIE-LCH	lch(32.29, 62.01, 293.52°)
OKLab	oklab(42.54% -0.0155 -0.1643)
OKLCH	oklch(42.54% 0.165 264.6)
XYZ	xyz(9.6048, 7.2144, 37.4380)
Luminance	0.0722 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F44A7 #A7821F

analogous

#1F88A7 #1F44A7 #3E1FA7

triadic

#1F44A7 #A71F44 #44A71F

tetradic

#1F44A7 #A71F88 #A7821F #1FA73E

square

#1F44A7 #A71F88 #A7821F #1FA73E

split-complementary

#1F44A7 #A73E1F #88A71F

monochromatic

#0C1A40 #152F73 #1F44A7 #2B5AD8 #5F83E1

Accessibility & contrast

On white

8.60

#1F44A7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#1F44A7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F44A7

8.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F44A7	#FFFFFF	#000000	##FFFFFF
##1F44A7	1.00	8.60	2.44	8.60
#FFFFFF	8.60	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052AA

Deuteranopia (green-blind)

#0046A5

Tritanopia (blue-blind)

#005D6F

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #1f44a7;
/* rgb */ color: rgb(31, 68, 167);
/* oklch */ color: oklch(42.5% 0.165 264.6);

Tailwind

colors: {
  custom: {
    50: '#7277c2',
    500: '#1f44a7',
    950: '#000000',
  },
}

SCSS

$custom: #1f44a7;
$custom-light: #7277c2;
$custom-dark: #000000;

JSON

{
  "hex": "#1f44a7",
  "rgb": {
    "r": 31,
    "g": 68,
    "b": 167
  },
  "hsl": {
    "h": 223.676,
    "s": 68.687,
    "l": 38.824
  },
  "oklch": {
    "l": 0.42539,
    "c": 0.16507,
    "h": 264.6
  },
  "luminance": 0.07216
}

Semantic roles & 50–950 ramp

primary

#1F44A7

secondary

#C6A95C

accent

#BC3CEC

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#090812

muted

#7B7B81

Preview Lab

Preview with #1F44A7

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

Preview Lab → · Contrast checker → · Palette generator →