#1F4996#1F4996

#1F4996 is a dark, vivid blue. Relative luminance 0.073; OKLCH L 42.2% C 0.135 H 261.3°. Best body text is #FFFFFF at 8.57:1 contrast (WCAG AA passes).

Color values

HEX	#1F4996
RGB	rgb(31, 73, 150)
HSL	hsl(219, 66%, 35%)
HSV	hsv(219, 79%, 59%)
CMYK	cmyk(79.3%, 51.3%, 0%, 41.2%)
CIE-LAB	lab(32.39, 14.60, -46.43)
CIE-LCH	lch(32.39, 48.68, 287.46°)
OKLab	oklab(42.2% -0.0206 -0.1336)
OKLCH	oklch(42.2% 0.135 261.3)
XYZ	xyz(8.4507, 7.2574, 29.8037)
Luminance	0.0726 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4996 #966C1F

analogous

#1F8496 #1F4996 #311F96

triadic

#1F4996 #961F49 #49961F

tetradic

#1F4996 #961F84 #966C1F #1F9631

square

#1F4996 #961F84 #966C1F #1F9631

split-complementary

#1F4996 #96311F #84961F

monochromatic

#0A1831 #153063 #1F4996 #2962C9 #5484DC

Accessibility & contrast

On white

8.57

#1F4996 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#1F4996 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4996

8.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4996	#FFFFFF	#000000	##FFFFFF
##1F4996	1.00	8.57	2.45	8.57
#FFFFFF	8.57	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#195299

Deuteranopia (green-blind)

#004794

Tritanopia (blue-blind)

#005C68

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #1f4996;
/* rgb */ color: rgb(31, 73, 150);
/* oklch */ color: oklch(42.2% 0.135 261.3);

Tailwind

colors: {
  custom: {
    50: '#6e7bb5',
    500: '#1f4996',
    950: '#000000',
  },
}

SCSS

$custom: #1f4996;
$custom-light: #6e7bb5;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4996",
  "rgb": {
    "r": 31,
    "g": 73,
    "b": 150
  },
  "hsl": {
    "h": 218.824,
    "s": 65.746,
    "l": 35.49
  },
  "oklch": {
    "l": 0.42199,
    "c": 0.13518,
    "h": 261.3
  },
  "luminance": 0.07258
}

Semantic roles & 50–950 ramp

primary

#1F4996

secondary

#BF9852

accent

#AD3FE9

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080911

muted

#7B7B80

Preview Lab

Preview with #1F4996

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

Preview Lab → · Contrast checker → · Palette generator →