#1F4C92#1F4C92

#1F4C92 is a dark, vivid blue. Relative luminance 0.075; OKLCH L 42.6% C 0.126 H 259.1°. Best body text is #FFFFFF at 8.38:1 contrast (WCAG AA passes).

Color values

HEX	#1F4C92
RGB	rgb(31, 76, 146)
HSL	hsl(217, 65%, 35%)
HSV	hsv(217, 79%, 57%)
CMYK	cmyk(78.8%, 47.9%, 0%, 42.7%)
CIE-LAB	lab(32.99, 10.97, -43.02)
CIE-LCH	lch(32.99, 44.39, 284.30°)
OKLab	oklab(42.58% -0.0237 -0.1235)
OKLCH	oklch(42.58% 0.126 259.1)
XYZ	xyz(8.3359, 7.5345, 28.2035)
Luminance	0.0754 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4C92 #92651F

analogous

#1F8692 #1F4C92 #2C1F92

triadic

#1F4C92 #921F4C #4C921F

tetradic

#1F4C92 #921F86 #92651F #1F922C

square

#1F4C92 #921F86 #92651F #1F922C

split-complementary

#1F4C92 #922C1F #86921F

monochromatic

#0A172D #143260 #1F4C92 #2A66C4 #5187DA

Accessibility & contrast

On white

8.38

#1F4C92 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#1F4C92 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4C92

8.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4C92	#FFFFFF	#000000	##FFFFFF
##1F4C92	1.00	8.38	2.51	8.38
#FFFFFF	8.38	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#265395

Deuteranopia (green-blind)

#064991

Tritanopia (blue-blind)

#005D68

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #1f4c92;
/* rgb */ color: rgb(31, 76, 146);
/* oklch */ color: oklch(42.6% 0.126 259.1);

Tailwind

colors: {
  custom: {
    50: '#6d7db2',
    500: '#1f4c92',
    950: '#000000',
  },
}

SCSS

$custom: #1f4c92;
$custom-light: #6d7db2;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4c92",
  "rgb": {
    "r": 31,
    "g": 76,
    "b": 146
  },
  "hsl": {
    "h": 216.522,
    "s": 64.972,
    "l": 34.706
  },
  "oklch": {
    "l": 0.42577,
    "c": 0.12574,
    "h": 259.1
  },
  "luminance": 0.07536
}

Semantic roles & 50–950 ramp

primary

#1F4C92

secondary

#BD9250

accent

#A640E8

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080911

muted

#7B7B80

Preview Lab

Preview with #1F4C92

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

Preview Lab → · Contrast checker → · Palette generator →