#1F4093#1F4093

#1F4093 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.0% C 0.142 H 264.4°. Best body text is #FFFFFF at 9.49:1 contrast (WCAG AA passes).

Color values

HEX	#1F4093
RGB	rgb(31, 64, 147)
HSL	hsl(223, 65%, 35%)
HSV	hsv(223, 79%, 58%)
CMYK	cmyk(78.9%, 56.5%, 0%, 42.4%)
CIE-LAB	lab(29.57, 19.57, -49.16)
CIE-LCH	lch(29.57, 52.91, 291.70°)
OKLab	oklab(39.99% -0.0139 -0.1418)
OKLCH	oklch(39.99% 0.142 264.4)
XYZ	xyz(7.6631, 6.0638, 28.3647)
Luminance	0.0607 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4093 #93721F

analogous

#1F7A93 #1F4093 #381F93

triadic

#1F4093 #931F40 #40931F

tetradic

#1F4093 #931F7A #93721F #1F9338

square

#1F4093 #931F7A #93721F #1F9338

split-complementary

#1F4093 #93381F #7A931F

monochromatic

#0A142E #142A60 #1F4093 #2A56C6 #5279DA

Accessibility & contrast

On white

9.49

#1F4093 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#1F4093 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4093

9.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4093	#FFFFFF	#000000	##FFFFFF
##1F4093	1.00	9.49	2.21	9.49
#FFFFFF	9.49	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004B96

Deuteranopia (green-blind)

#004191

Tritanopia (blue-blind)

#005463

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #1f4093;
/* rgb */ color: rgb(31, 64, 147);
/* oklch */ color: oklch(40.0% 0.142 264.4);

Tailwind

colors: {
  custom: {
    50: '#6e74b3',
    500: '#1f4093',
    950: '#000000',
  },
}

SCSS

$custom: #1f4093;
$custom-light: #6e74b3;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4093",
  "rgb": {
    "r": 31,
    "g": 64,
    "b": 147
  },
  "hsl": {
    "h": 222.931,
    "s": 65.169,
    "l": 34.902
  },
  "oklch": {
    "l": 0.39991,
    "c": 0.14248,
    "h": 264.4
  },
  "luminance": 0.06065
}

Semantic roles & 50–950 ramp

primary

#1F4093

secondary

#BE9F50

accent

#B840E8

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1F4093

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

Preview Lab → · Contrast checker → · Palette generator →