#1F3D96#1F3D96

#1F3D96 is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.6% C 0.151 H 265.6°. Best body text is #FFFFFF at 9.69:1 contrast (WCAG AA passes).

Color values

HEX	#1F3D96
RGB	rgb(31, 61, 150)
HSL	hsl(225, 66%, 35%)
HSV	hsv(225, 79%, 59%)
CMYK	cmyk(79.3%, 59.3%, 0%, 41.2%)
CIE-LAB	lab(28.98, 22.82, -51.96)
CIE-LCH	lch(28.98, 56.75, 293.71°)
OKLab	oklab(39.62% -0.0115 -0.1501)
OKLCH	oklch(39.62% 0.151 265.6)
XYZ	xyz(7.7369, 5.8299, 29.5658)
Luminance	0.0583 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F3D96 #96781F

analogous

#1F7896 #1F3D96 #3C1F96

triadic

#1F3D96 #961F3D #3D961F

tetradic

#1F3D96 #961F78 #96781F #1F963C

square

#1F3D96 #961F78 #96781F #1F963C

split-complementary

#1F3D96 #963C1F #78961F

monochromatic

#0A1431 #152863 #1F3D96 #2952C9 #5476DC

Accessibility & contrast

On white

9.69

#1F3D96 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#1F3D96 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F3D96

9.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F3D96	#FFFFFF	#000000	##FFFFFF
##1F3D96	1.00	9.69	2.17	9.69
#FFFFFF	9.69	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A99

Deuteranopia (green-blind)

#003F94

Tritanopia (blue-blind)

#005363

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #1f3d96;
/* rgb */ color: rgb(31, 61, 150);
/* oklch */ color: oklch(39.6% 0.151 265.6);

Tailwind

colors: {
  custom: {
    50: '#6f72b6',
    500: '#1f3d96',
    950: '#000000',
  },
}

SCSS

$custom: #1f3d96;
$custom-light: #6f72b6;
$custom-dark: #000000;

JSON

{
  "hex": "#1f3d96",
  "rgb": {
    "r": 31,
    "g": 61,
    "b": 150
  },
  "hsl": {
    "h": 224.874,
    "s": 65.746,
    "l": 35.49
  },
  "oklch": {
    "l": 0.39621,
    "c": 0.15052,
    "h": 265.6
  },
  "luminance": 0.05831
}

Semantic roles & 50–950 ramp

primary

#1F3D96

secondary

#BFA352

accent

#BE3FE9

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080711

muted

#7B7A80

Preview Lab

Preview with #1F3D96

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

Preview Lab → · Contrast checker → · Palette generator →