#1F4794#1F4794

#1F4794 is a dark, vivid blue. Relative luminance 0.069; OKLCH L 41.6% C 0.135 H 261.8°. Best body text is #FFFFFF at 8.80:1 contrast (WCAG AA passes).

Color values

HEX	#1F4794
RGB	rgb(31, 71, 148)
HSL	hsl(219, 65%, 35%)
HSV	hsv(219, 79%, 58%)
CMYK	cmyk(79.1%, 52%, 0%, 42%)
CIE-LAB	lab(31.66, 15.16, -46.39)
CIE-LCH	lch(31.66, 48.81, 288.10°)
OKLab	oklab(41.6% -0.0192 -0.1335)
OKLCH	oklch(41.6% 0.135 261.8)
XYZ	xyz(8.1617, 6.9350, 28.9197)
Luminance	0.0694 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4794 #946C1F

analogous

#1F8294 #1F4794 #311F94

triadic

#1F4794 #941F47 #47941F

tetradic

#1F4794 #941F82 #946C1F #1F9431

square

#1F4794 #941F82 #946C1F #1F9431

split-complementary

#1F4794 #94311F #82941F

monochromatic

#0A162F #142F61 #1F4794 #2A5FC7 #5381DB

Accessibility & contrast

On white

8.80

#1F4794 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#1F4794 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4794

8.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4794	#FFFFFF	#000000	##FFFFFF
##1F4794	1.00	8.80	2.39	8.80
#FFFFFF	8.80	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#155097

Deuteranopia (green-blind)

#004592

Tritanopia (blue-blind)

#005A66

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #1f4794;
/* rgb */ color: rgb(31, 71, 148);
/* oklch */ color: oklch(41.6% 0.135 261.8);

Tailwind

colors: {
  custom: {
    50: '#6d79b4',
    500: '#1f4794',
    950: '#000000',
  },
}

SCSS

$custom: #1f4794;
$custom-light: #6d79b4;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4794",
  "rgb": {
    "r": 31,
    "g": 71,
    "b": 148
  },
  "hsl": {
    "h": 219.487,
    "s": 65.363,
    "l": 35.098
  },
  "oklch": {
    "l": 0.41598,
    "c": 0.13489,
    "h": 261.8
  },
  "luminance": 0.06936
}

Semantic roles & 50–950 ramp

primary

#1F4794

secondary

#BE9951

accent

#AF3FE8

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080911

muted

#7B7B80

Preview Lab

Preview with #1F4794

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

Preview Lab → · Contrast checker → · Palette generator →