#1F4094#1F4094

#1F4094 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.1% C 0.144 H 264.5°. Best body text is #FFFFFF at 9.46:1 contrast (WCAG AA passes).

Color values

HEX	#1F4094
RGB	rgb(31, 64, 148)
HSL	hsl(223, 65%, 35%)
HSV	hsv(223, 79%, 58%)
CMYK	cmyk(79.1%, 56.8%, 0%, 42%)
CIE-LAB	lab(29.65, 19.97, -49.64)
CIE-LCH	lch(29.65, 53.51, 291.91°)
OKLab	oklab(40.08% -0.0138 -0.1432)
OKLCH	oklch(40.08% 0.144 264.5)
XYZ	xyz(7.7419, 6.0953, 28.7797)
Luminance	0.0610 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4094 #94731F

analogous

#1F7A94 #1F4094 #391F94

triadic

#1F4094 #941F40 #40941F

tetradic

#1F4094 #941F7A #94731F #1F9439

square

#1F4094 #941F7A #94731F #1F9439

split-complementary

#1F4094 #94391F #7A941F

monochromatic

#0A142F #142A61 #1F4094 #2A56C7 #5379DB

Accessibility & contrast

On white

9.46

#1F4094 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#1F4094 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4094

9.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4094	#FFFFFF	#000000	##FFFFFF
##1F4094	1.00	9.46	2.22	9.46
#FFFFFF	9.46	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004B97

Deuteranopia (green-blind)

#004192

Tritanopia (blue-blind)

#005563

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #1f4094;
/* rgb */ color: rgb(31, 64, 148);
/* oklch */ color: oklch(40.1% 0.144 264.5);

Tailwind

colors: {
  custom: {
    50: '#6e74b4',
    500: '#1f4094',
    950: '#000000',
  },
}

SCSS

$custom: #1f4094;
$custom-light: #6e74b4;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4094",
  "rgb": {
    "r": 31,
    "g": 64,
    "b": 148
  },
  "hsl": {
    "h": 223.077,
    "s": 65.363,
    "l": 35.098
  },
  "oklch": {
    "l": 0.40076,
    "c": 0.14388,
    "h": 264.5
  },
  "luminance": 0.06096
}

Semantic roles & 50–950 ramp

primary

#1F4094

secondary

#BE9F51

accent

#B93FE8

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1F4094

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

Preview Lab → · Contrast checker → · Palette generator →