#1F44A6#1F44A6

#1F44A6 is a dark, vivid blue. Relative luminance 0.072; OKLCH L 42.5% C 0.164 H 264.6°. Best body text is #FFFFFF at 8.62:1 contrast (WCAG AA passes).

Color values

HEX	#1F44A6
RGB	rgb(31, 68, 166)
HSL	hsl(224, 69%, 39%)
HSV	hsv(224, 81%, 65%)
CMYK	cmyk(81.3%, 59%, 0%, 34.9%)
CIE-LAB	lab(32.21, 24.35, -56.39)
CIE-LCH	lch(32.21, 61.42, 293.36°)
OKLab	oklab(42.45% -0.0155 -0.163)
OKLCH	oklch(42.45% 0.164 264.6)
XYZ	xyz(9.5127, 7.1776, 36.9531)
Luminance	0.0718 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F44A6 #A6811F

analogous

#1F87A6 #1F44A6 #3E1FA6

triadic

#1F44A6 #A61F44 #44A61F

tetradic

#1F44A6 #A61F87 #A6811F #1FA63E

square

#1F44A6 #A61F87 #A6811F #1FA63E

split-complementary

#1F44A6 #A63E1F #87A61F

monochromatic

#0C1A3F #152F72 #1F44A6 #2B5AD7 #5E82E1

Accessibility & contrast

On white

8.62

#1F44A6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#1F44A6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F44A6

8.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F44A6	#FFFFFF	#000000	##FFFFFF
##1F44A6	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)

#0052A9

Deuteranopia (green-blind)

#0046A4

Tritanopia (blue-blind)

#005D6E

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #1f44a6;
/* rgb */ color: rgb(31, 68, 166);
/* oklch */ color: oklch(42.5% 0.164 264.6);

Tailwind

colors: {
  custom: {
    50: '#7277c1',
    500: '#1f44a6',
    950: '#000000',
  },
}

SCSS

$custom: #1f44a6;
$custom-light: #7277c1;
$custom-dark: #000000;

JSON

{
  "hex": "#1f44a6",
  "rgb": {
    "r": 31,
    "g": 68,
    "b": 166
  },
  "hsl": {
    "h": 223.556,
    "s": 68.528,
    "l": 38.627
  },
  "oklch": {
    "l": 0.42452,
    "c": 0.16371,
    "h": 264.6
  },
  "luminance": 0.07179
}

Semantic roles & 50–950 ramp

primary

#1F44A6

secondary

#C5A85B

accent

#BB3CEB

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#090812

muted

#7B7B81

Preview Lab

Preview with #1F44A6

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

Preview Lab → · Contrast checker → · Palette generator →