#1F4392#1F4392

#1F4392 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 40.6% C 0.137 H 263.2°. Best body text is #FFFFFF at 9.23:1 contrast (WCAG AA passes).

Color values

HEX	#1F4392
RGB	rgb(31, 67, 146)
HSL	hsl(221, 65%, 35%)
HSV	hsv(221, 79%, 57%)
CMYK	cmyk(78.8%, 54.1%, 0%, 42.7%)
CIE-LAB	lab(30.35, 17.10, -47.28)
CIE-LCH	lch(30.35, 50.28, 289.89°)
OKLab	oklab(40.56% -0.0163 -0.1362)
OKLCH	oklch(40.56% 0.137 263.2)
XYZ	xyz(7.7587, 6.3801, 28.0111)
Luminance	0.0638 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4392 #926E1F

analogous

#1F7D92 #1F4392 #341F92

triadic

#1F4392 #921F43 #43921F

tetradic

#1F4392 #921F7D #926E1F #1F9234

square

#1F4392 #921F7D #926E1F #1F9234

split-complementary

#1F4392 #92341F #7D921F

monochromatic

#0A152D #142C60 #1F4392 #2A5AC4 #517CDA

Accessibility & contrast

On white

9.23

#1F4392 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#1F4392 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4392

9.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4392	#FFFFFF	#000000	##FFFFFF
##1F4392	1.00	9.23	2.28	9.23
#FFFFFF	9.23	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#084D95

Deuteranopia (green-blind)

#004290

Tritanopia (blue-blind)

#005664

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #1f4392;
/* rgb */ color: rgb(31, 67, 146);
/* oklch */ color: oklch(40.6% 0.137 263.2);

Tailwind

colors: {
  custom: {
    50: '#6d76b3',
    500: '#1f4392',
    950: '#000000',
  },
}

SCSS

$custom: #1f4392;
$custom-light: #6d76b3;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4392",
  "rgb": {
    "r": 31,
    "g": 67,
    "b": 146
  },
  "hsl": {
    "h": 221.217,
    "s": 64.972,
    "l": 34.706
  },
  "oklch": {
    "l": 0.40556,
    "c": 0.13719,
    "h": 263.2
  },
  "luminance": 0.06381
}

Semantic roles & 50–950 ramp

primary

#1F4392

secondary

#BD9B50

accent

#B340E8

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1F4392

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

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