#1F3E96#1F3E96

#1F3E96 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 39.8% C 0.149 H 265.3°. Best body text is #FFFFFF at 9.60:1 contrast (WCAG AA passes).

Color values

HEX	#1F3E96
RGB	rgb(31, 62, 150)
HSL	hsl(224, 66%, 35%)
HSV	hsv(224, 79%, 59%)
CMYK	cmyk(79.3%, 58.7%, 0%, 41.2%)
CIE-LAB	lab(29.25, 22.13, -51.51)
CIE-LCH	lch(29.25, 56.06, 293.25°)
OKLab	oklab(39.83% -0.0122 -0.1487)
OKLCH	oklch(39.83% 0.149 265.3)
XYZ	xyz(7.7908, 5.9377, 29.5837)
Luminance	0.0594 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F3E96 #96771F

analogous

#1F7996 #1F3E96 #3C1F96

triadic

#1F3E96 #961F3E #3E961F

tetradic

#1F3E96 #961F79 #96771F #1F963C

square

#1F3E96 #961F79 #96771F #1F963C

split-complementary

#1F3E96 #963C1F #79961F

monochromatic

#0A1431 #152963 #1F3E96 #2953C9 #5477DC

Accessibility & contrast

On white

9.60

#1F3E96 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#1F3E96 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F3E96

9.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F3E96	#FFFFFF	#000000	##FFFFFF
##1F3E96	1.00	9.60	2.19	9.60
#FFFFFF	9.60	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004B99

Deuteranopia (green-blind)

#004094

Tritanopia (blue-blind)

#005463

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #1f3e96;
/* rgb */ color: rgb(31, 62, 150);
/* oklch */ color: oklch(39.8% 0.149 265.3);

Tailwind

colors: {
  custom: {
    50: '#6f72b6',
    500: '#1f3e96',
    950: '#000000',
  },
}

SCSS

$custom: #1f3e96;
$custom-light: #6f72b6;
$custom-dark: #000000;

JSON

{
  "hex": "#1f3e96",
  "rgb": {
    "r": 31,
    "g": 62,
    "b": 150
  },
  "hsl": {
    "h": 224.37,
    "s": 65.746,
    "l": 35.49
  },
  "oklch": {
    "l": 0.39827,
    "c": 0.14924,
    "h": 265.3
  },
  "luminance": 0.05939
}

Semantic roles & 50–950 ramp

primary

#1F3E96

secondary

#BFA352

accent

#BD3FE9

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1F3E96

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

Preview Lab → · Contrast checker → · Palette generator →