#1F4293#1F4293

#1F4293 is a dark, vivid blue. Relative luminance 0.063; OKLCH L 40.4% C 0.140 H 263.7°. Best body text is #FFFFFF at 9.30:1 contrast (WCAG AA passes).

Color values

HEX	#1F4293
RGB	rgb(31, 66, 147)
HSL	hsl(222, 65%, 35%)
HSV	hsv(222, 79%, 58%)
CMYK	cmyk(78.9%, 55.1%, 0%, 42.4%)
CIE-LAB	lab(30.14, 18.19, -48.24)
CIE-LCH	lch(30.14, 51.55, 290.66°)
OKLab	oklab(40.42% -0.0154 -0.139)
OKLCH	oklch(40.42% 0.14 263.7)
XYZ	xyz(7.7779, 6.2934, 28.4029)
Luminance	0.0629 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4293 #93701F

analogous

#1F7C93 #1F4293 #361F93

triadic

#1F4293 #931F42 #42931F

tetradic

#1F4293 #931F7C #93701F #1F9336

square

#1F4293 #931F7C #93701F #1F9336

split-complementary

#1F4293 #93361F #7C931F

monochromatic

#0A152E #142B60 #1F4293 #2A59C6 #527BDA

Accessibility & contrast

On white

9.30

#1F4293 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#1F4293 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4293

9.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4293	#FFFFFF	#000000	##FFFFFF
##1F4293	1.00	9.30	2.26	9.30
#FFFFFF	9.30	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004D96

Deuteranopia (green-blind)

#004291

Tritanopia (blue-blind)

#005664

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #1f4293;
/* rgb */ color: rgb(31, 66, 147);
/* oklch */ color: oklch(40.4% 0.140 263.7);

Tailwind

colors: {
  custom: {
    50: '#6d75b3',
    500: '#1f4293',
    950: '#000000',
  },
}

SCSS

$custom: #1f4293;
$custom-light: #6d75b3;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4293",
  "rgb": {
    "r": 31,
    "g": 66,
    "b": 147
  },
  "hsl": {
    "h": 221.897,
    "s": 65.169,
    "l": 34.902
  },
  "oklch": {
    "l": 0.40421,
    "c": 0.1399,
    "h": 263.7
  },
  "luminance": 0.06294
}

Semantic roles & 50–950 ramp

primary

#1F4293

secondary

#BE9D50

accent

#B540E8

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1F4293

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

Preview Lab → · Contrast checker → · Palette generator →