#1F44AE#1F44AE

#1F44AE is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.2% C 0.174 H 265.0°. Best body text is #FFFFFF at 8.41:1 contrast (WCAG AA passes).

Color values

HEX	#1F44AE
RGB	rgb(31, 68, 174)
HSL	hsl(224, 70%, 40%)
HSV	hsv(224, 82%, 68%)
CMYK	cmyk(82.2%, 60.9%, 0%, 31.8%)
CIE-LAB	lab(32.88, 27.47, -60.08)
CIE-LCH	lch(32.88, 66.06, 294.57°)
OKLab	oklab(43.16% -0.0153 -0.1738)
OKLCH	oklch(43.16% 0.174 265)
XYZ	xyz(10.2695, 7.4803, 40.9388)
Luminance	0.0748 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F44AE #AE891F

analogous

#1F8BAE #1F44AE #421FAE

triadic

#1F44AE #AE1F44 #44AE1F

tetradic

#1F44AE #AE1F8B #AE891F #1FAE42

square

#1F44AE #AE1F8B #AE891F #1FAE42

split-complementary

#1F44AE #AE421F #8BAE1F

monochromatic

#0C1B46 #16307A #1F44AE #305CDA #6485E3

Accessibility & contrast

On white

8.41

#1F44AE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#1F44AE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F44AE

8.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F44AE	#FFFFFF	#000000	##FFFFFF
##1F44AE	1.00	8.41	2.50	8.41
#FFFFFF	8.41	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B2

Deuteranopia (green-blind)

#0047AC

Tritanopia (blue-blind)

#005F72

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #1f44ae;
/* rgb */ color: rgb(31, 68, 174);
/* oklch */ color: oklch(43.2% 0.174 265.0);

Tailwind

colors: {
  custom: {
    50: '#7477c7',
    500: '#1f44ae',
    950: '#000000',
  },
}

SCSS

$custom: #1f44ae;
$custom-light: #7477c7;
$custom-dark: #000000;

JSON

{
  "hex": "#1f44ae",
  "rgb": {
    "r": 31,
    "g": 68,
    "b": 174
  },
  "hsl": {
    "h": 224.476,
    "s": 69.756,
    "l": 40.196
  },
  "oklch": {
    "l": 0.4316,
    "c": 0.17447,
    "h": 265
  },
  "luminance": 0.07482
}

Semantic roles & 50–950 ramp

primary

#1F44AE

secondary

#C8AE60

accent

#BF3BED

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #1F44AE

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

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