#1F4294#1F4294

#1F4294 is a dark, vivid blue. Relative luminance 0.063; OKLCH L 40.5% C 0.141 H 263.8°. Best body text is #FFFFFF at 9.27:1 contrast (WCAG AA passes).

Color values

HEX	#1F4294
RGB	rgb(31, 66, 148)
HSL	hsl(222, 65%, 35%)
HSV	hsv(222, 79%, 58%)
CMYK	cmyk(79.1%, 55.4%, 0%, 42%)
CIE-LAB	lab(30.22, 18.59, -48.72)
CIE-LCH	lch(30.22, 52.15, 290.88°)
OKLab	oklab(40.5% -0.0153 -0.1405)
OKLCH	oklch(40.5% 0.141 263.8)
XYZ	xyz(7.8567, 6.3250, 28.8180)
Luminance	0.0633 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4294 #94711F

analogous

#1F7D94 #1F4294 #361F94

triadic

#1F4294 #941F42 #42941F

tetradic

#1F4294 #941F7D #94711F #1F9436

square

#1F4294 #941F7D #94711F #1F9436

split-complementary

#1F4294 #94361F #7D941F

monochromatic

#0A152F #142B61 #1F4294 #2A59C7 #537BDB

Accessibility & contrast

On white

9.27

#1F4294 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#1F4294 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4294

9.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4294	#FFFFFF	#000000	##FFFFFF
##1F4294	1.00	9.27	2.27	9.27
#FFFFFF	9.27	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004D97

Deuteranopia (green-blind)

#004292

Tritanopia (blue-blind)

#005664

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #1f4294;
/* rgb */ color: rgb(31, 66, 148);
/* oklch */ color: oklch(40.5% 0.141 263.8);

Tailwind

colors: {
  custom: {
    50: '#6e75b4',
    500: '#1f4294',
    950: '#000000',
  },
}

SCSS

$custom: #1f4294;
$custom-light: #6e75b4;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4294",
  "rgb": {
    "r": 31,
    "g": 66,
    "b": 148
  },
  "hsl": {
    "h": 222.051,
    "s": 65.363,
    "l": 35.098
  },
  "oklch": {
    "l": 0.40503,
    "c": 0.14131,
    "h": 263.8
  },
  "luminance": 0.06326
}

Semantic roles & 50–950 ramp

primary

#1F4294

secondary

#BE9D51

accent

#B63FE8

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1F4294

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

Preview Lab → · Contrast checker → · Palette generator →