#1F44AF#1F44AF

#1F44AF is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.2% C 0.176 H 265.0°. Best body text is #FFFFFF at 8.39:1 contrast (WCAG AA passes).

Color values

HEX	#1F44AF
RGB	rgb(31, 68, 175)
HSL	hsl(225, 70%, 40%)
HSV	hsv(225, 82%, 69%)
CMYK	cmyk(82.3%, 61.1%, 0%, 31.4%)
CIE-LAB	lab(32.96, 27.86, -60.54)
CIE-LCH	lch(32.96, 66.64, 294.71°)
OKLab	oklab(43.25% -0.0152 -0.1751)
OKLCH	oklch(43.25% 0.176 265)
XYZ	xyz(10.3673, 7.5194, 41.4541)
Luminance	0.0752 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F44AF #AF8A1F

analogous

#1F8CAF #1F44AF #421FAF

triadic

#1F44AF #AF1F44 #44AF1F

tetradic

#1F44AF #AF1F8C #AF8A1F #1FAF42

square

#1F44AF #AF1F8C #AF8A1F #1FAF42

split-complementary

#1F44AF #AF421F #8CAF1F

monochromatic

#0D1C47 #16307B #1F44AF #315CDA #6585E4

Accessibility & contrast

On white

8.39

#1F44AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#1F44AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F44AF

8.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F44AF	#FFFFFF	#000000	##FFFFFF
##1F44AF	1.00	8.39	2.50	8.39
#FFFFFF	8.39	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B3

Deuteranopia (green-blind)

#0047AD

Tritanopia (blue-blind)

#006073

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #1f44af;
/* rgb */ color: rgb(31, 68, 175);
/* oklch */ color: oklch(43.2% 0.176 265.0);

Tailwind

colors: {
  custom: {
    50: '#7577c8',
    500: '#1f44af',
    950: '#000000',
  },
}

SCSS

$custom: #1f44af;
$custom-light: #7577c8;
$custom-dark: #000000;

JSON

{
  "hex": "#1f44af",
  "rgb": {
    "r": 31,
    "g": 68,
    "b": 175
  },
  "hsl": {
    "h": 224.583,
    "s": 69.903,
    "l": 40.392
  },
  "oklch": {
    "l": 0.43249,
    "c": 0.1758,
    "h": 265
  },
  "luminance": 0.07521
}

Semantic roles & 50–950 ramp

primary

#1F44AF

secondary

#C9AE61

accent

#BF3BED

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #1F44AF

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

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