#1F4193#1F4193

#1F4193 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.2% C 0.141 H 264.1°. Best body text is #FFFFFF at 9.39:1 contrast (WCAG AA passes).

Color values

HEX	#1F4193
RGB	rgb(31, 65, 147)
HSL	hsl(222, 65%, 35%)
HSV	hsv(222, 79%, 58%)
CMYK	cmyk(78.9%, 55.8%, 0%, 42.4%)
CIE-LAB	lab(29.86, 18.88, -48.70)
CIE-LCH	lch(29.86, 52.23, 291.19°)
OKLab	oklab(40.21% -0.0146 -0.1404)
OKLCH	oklch(40.21% 0.141 264.1)
XYZ	xyz(7.7200, 6.1776, 28.3836)
Luminance	0.0618 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4193 #93711F

analogous

#1F7B93 #1F4193 #371F93

triadic

#1F4193 #931F41 #41931F

tetradic

#1F4193 #931F7B #93711F #1F9337

square

#1F4193 #931F7B #93711F #1F9337

split-complementary

#1F4193 #93371F #7B931F

monochromatic

#0A142E #142B60 #1F4193 #2A57C6 #527ADA

Accessibility & contrast

On white

9.39

#1F4193 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#1F4193 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4193

9.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4193	#FFFFFF	#000000	##FFFFFF
##1F4193	1.00	9.39	2.24	9.39
#FFFFFF	9.39	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004C96

Deuteranopia (green-blind)

#004191

Tritanopia (blue-blind)

#005563

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #1f4193;
/* rgb */ color: rgb(31, 65, 147);
/* oklch */ color: oklch(40.2% 0.141 264.1);

Tailwind

colors: {
  custom: {
    50: '#6e75b3',
    500: '#1f4193',
    950: '#000000',
  },
}

SCSS

$custom: #1f4193;
$custom-light: #6e75b3;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4193",
  "rgb": {
    "r": 31,
    "g": 65,
    "b": 147
  },
  "hsl": {
    "h": 222.414,
    "s": 65.169,
    "l": 34.902
  },
  "oklch": {
    "l": 0.40205,
    "c": 0.14118,
    "h": 264.1
  },
  "luminance": 0.06178
}

Semantic roles & 50–950 ramp

primary

#1F4193

secondary

#BE9E50

accent

#B740E8

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1F4193

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

Preview Lab → · Contrast checker → · Palette generator →