#1F4994#1F4994

#1F4994 is a dark, vivid blue. Relative luminance 0.072; OKLCH L 42.0% C 0.132 H 260.9°. Best body text is #FFFFFF at 8.61:1 contrast (WCAG AA passes).

Color values

HEX	#1F4994
RGB	rgb(31, 73, 148)
HSL	hsl(218, 65%, 35%)
HSV	hsv(218, 79%, 58%)
CMYK	cmyk(79.1%, 50.7%, 0%, 42%)
CIE-LAB	lab(32.24, 13.80, -45.45)
CIE-LCH	lch(32.24, 47.50, 286.89°)
OKLab	oklab(42.05% -0.0208 -0.1307)
OKLCH	oklch(42.05% 0.132 260.9)
XYZ	xyz(8.2910, 7.1936, 28.9628)
Luminance	0.0720 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4994 #946A1F

analogous

#1F8394 #1F4994 #301F94

triadic

#1F4994 #941F49 #49941F

tetradic

#1F4994 #941F83 #946A1F #1F9430

square

#1F4994 #941F83 #946A1F #1F9430

split-complementary

#1F4994 #94301F #83941F

monochromatic

#0A172F #143061 #1F4994 #2A62C7 #5383DB

Accessibility & contrast

On white

8.61

#1F4994 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#1F4994 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4994

8.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4994	#FFFFFF	#000000	##FFFFFF
##1F4994	1.00	8.61	2.44	8.61
#FFFFFF	8.61	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C5297

Deuteranopia (green-blind)

#004793

Tritanopia (blue-blind)

#005B67

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #1f4994;
/* rgb */ color: rgb(31, 73, 148);
/* oklch */ color: oklch(42.0% 0.132 260.9);

Tailwind

colors: {
  custom: {
    50: '#6d7bb4',
    500: '#1f4994',
    950: '#000000',
  },
}

SCSS

$custom: #1f4994;
$custom-light: #6d7bb4;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4994",
  "rgb": {
    "r": 31,
    "g": 73,
    "b": 148
  },
  "hsl": {
    "h": 218.462,
    "s": 65.363,
    "l": 35.098
  },
  "oklch": {
    "l": 0.42045,
    "c": 0.13235,
    "h": 260.9
  },
  "luminance": 0.07195
}

Semantic roles & 50–950 ramp

primary

#1F4994

secondary

#BE9751

accent

#AC3FE8

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080911

muted

#7B7B80

Preview Lab

Preview with #1F4994

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

Preview Lab → · Contrast checker → · Palette generator →