#1F4194#1F4194

#1F4194 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.3% C 0.143 H 264.1°. Best body text is #FFFFFF at 9.37:1 contrast (WCAG AA passes).

Color values

HEX	#1F4194
RGB	rgb(31, 65, 148)
HSL	hsl(223, 65%, 35%)
HSV	hsv(223, 79%, 58%)
CMYK	cmyk(79.1%, 56.1%, 0%, 42%)
CIE-LAB	lab(29.93, 19.28, -49.18)
CIE-LCH	lch(29.93, 52.83, 291.40°)
OKLab	oklab(40.29% -0.0145 -0.1418)
OKLCH	oklch(40.29% 0.143 264.1)
XYZ	xyz(7.7988, 6.2091, 28.7987)
Luminance	0.0621 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4194 #94721F

analogous

#1F7B94 #1F4194 #371F94

triadic

#1F4194 #941F41 #41941F

tetradic

#1F4194 #941F7B #94721F #1F9437

square

#1F4194 #941F7B #94721F #1F9437

split-complementary

#1F4194 #94371F #7B941F

monochromatic

#0A152F #142B61 #1F4194 #2A57C7 #537ADB

Accessibility & contrast

On white

9.37

#1F4194 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#1F4194 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4194

9.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4194	#FFFFFF	#000000	##FFFFFF
##1F4194	1.00	9.37	2.24	9.37
#FFFFFF	9.37	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004C97

Deuteranopia (green-blind)

#004192

Tritanopia (blue-blind)

#005564

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #1f4194;
/* rgb */ color: rgb(31, 65, 148);
/* oklch */ color: oklch(40.3% 0.143 264.1);

Tailwind

colors: {
  custom: {
    50: '#6e75b4',
    500: '#1f4194',
    950: '#000000',
  },
}

SCSS

$custom: #1f4194;
$custom-light: #6e75b4;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4194",
  "rgb": {
    "r": 31,
    "g": 65,
    "b": 148
  },
  "hsl": {
    "h": 222.564,
    "s": 65.363,
    "l": 35.098
  },
  "oklch": {
    "l": 0.40289,
    "c": 0.14259,
    "h": 264.1
  },
  "luminance": 0.0621
}

Semantic roles & 50–950 ramp

primary

#1F4194

secondary

#BE9E51

accent

#B73FE8

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1F4194

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

Preview Lab → · Contrast checker → · Palette generator →