#1F4494#1F4494

#1F4494 is a dark, vivid blue. Relative luminance 0.066; OKLCH L 40.9% C 0.139 H 263.0°. Best body text is #FFFFFF at 9.08:1 contrast (WCAG AA passes).

Color values

HEX	#1F4494
RGB	rgb(31, 68, 148)
HSL	hsl(221, 65%, 35%)
HSV	hsv(221, 79%, 58%)
CMYK	cmyk(79.1%, 54.1%, 0%, 42%)
CIE-LAB	lab(30.79, 17.22, -47.80)
CIE-LCH	lch(30.79, 50.80, 289.81°)
OKLab	oklab(40.94% -0.0168 -0.1377)
OKLCH	oklch(40.94% 0.139 263)
XYZ	xyz(7.9756, 6.5628, 28.8576)
Luminance	0.0656 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4494 #946F1F

analogous

#1F7E94 #1F4494 #351F94

triadic

#1F4494 #941F44 #44941F

tetradic

#1F4494 #941F7E #946F1F #1F9435

square

#1F4494 #941F7E #946F1F #1F9435

split-complementary

#1F4494 #94351F #7E941F

monochromatic

#0A162F #142D61 #1F4494 #2A5BC7 #537EDB

Accessibility & contrast

On white

9.08

#1F4494 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#1F4494 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4494

9.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4494	#FFFFFF	#000000	##FFFFFF
##1F4494	1.00	9.08	2.31	9.08
#FFFFFF	9.08	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#074E97

Deuteranopia (green-blind)

#004392

Tritanopia (blue-blind)

#005765

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #1f4494;
/* rgb */ color: rgb(31, 68, 148);
/* oklch */ color: oklch(40.9% 0.139 263.0);

Tailwind

colors: {
  custom: {
    50: '#6e77b4',
    500: '#1f4494',
    950: '#000000',
  },
}

SCSS

$custom: #1f4494;
$custom-light: #6e77b4;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4494",
  "rgb": {
    "r": 31,
    "g": 68,
    "b": 148
  },
  "hsl": {
    "h": 221.026,
    "s": 65.363,
    "l": 35.098
  },
  "oklch": {
    "l": 0.40937,
    "c": 0.13873,
    "h": 263
  },
  "luminance": 0.06564
}

Semantic roles & 50–950 ramp

primary

#1F4494

secondary

#BE9C51

accent

#B33FE8

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1F4494

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

Preview Lab → · Contrast checker → · Palette generator →