#1F4394#1F4394

#1F4394 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 40.7% C 0.140 H 263.4°. Best body text is #FFFFFF at 9.18:1 contrast (WCAG AA passes).

Color values

HEX	#1F4394
RGB	rgb(31, 67, 148)
HSL	hsl(222, 65%, 35%)
HSV	hsv(222, 79%, 58%)
CMYK	cmyk(79.1%, 54.7%, 0%, 42%)
CIE-LAB	lab(30.50, 17.90, -48.26)
CIE-LCH	lch(30.50, 51.48, 290.35°)
OKLab	oklab(40.72% -0.0161 -0.1391)
OKLCH	oklch(40.72% 0.14 263.4)
XYZ	xyz(7.9156, 6.4428, 28.8376)
Luminance	0.0644 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4394 #94701F

analogous

#1F7E94 #1F4394 #351F94

triadic

#1F4394 #941F43 #43941F

tetradic

#1F4394 #941F7E #94701F #1F9435

square

#1F4394 #941F7E #94701F #1F9435

split-complementary

#1F4394 #94351F #7E941F

monochromatic

#0A152F #142C61 #1F4394 #2A5AC7 #537CDB

Accessibility & contrast

On white

9.18

#1F4394 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#1F4394 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4394

9.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4394	#FFFFFF	#000000	##FFFFFF
##1F4394	1.00	9.18	2.29	9.18
#FFFFFF	9.18	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#024D97

Deuteranopia (green-blind)

#004392

Tritanopia (blue-blind)

#005765

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #1f4394;
/* rgb */ color: rgb(31, 67, 148);
/* oklch */ color: oklch(40.7% 0.140 263.4);

Tailwind

colors: {
  custom: {
    50: '#6e76b4',
    500: '#1f4394',
    950: '#000000',
  },
}

SCSS

$custom: #1f4394;
$custom-light: #6e76b4;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4394",
  "rgb": {
    "r": 31,
    "g": 67,
    "b": 148
  },
  "hsl": {
    "h": 221.538,
    "s": 65.363,
    "l": 35.098
  },
  "oklch": {
    "l": 0.40719,
    "c": 0.14002,
    "h": 263.4
  },
  "luminance": 0.06444
}

Semantic roles & 50–950 ramp

primary

#1F4394

secondary

#BE9C51

accent

#B43FE8

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1F4394

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

Preview Lab → · Contrast checker → · Palette generator →