#1F3D94#1F3D94

#1F3D94 is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.4% C 0.148 H 265.5°. Best body text is #FFFFFF at 9.75:1 contrast (WCAG AA passes).

Color values

HEX	#1F3D94
RGB	rgb(31, 61, 148)
HSL	hsl(225, 65%, 35%)
HSV	hsv(225, 79%, 58%)
CMYK	cmyk(79.1%, 58.8%, 0%, 42%)
CIE-LAB	lab(28.81, 22.03, -51.01)
CIE-LCH	lch(28.81, 55.56, 293.36°)
OKLab	oklab(39.45% -0.0116 -0.1473)
OKLCH	oklch(39.45% 0.148 265.5)
XYZ	xyz(7.5772, 5.7660, 28.7248)
Luminance	0.0577 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F3D94 #94761F

analogous

#1F7894 #1F3D94 #3B1F94

triadic

#1F3D94 #941F3D #3D941F

tetradic

#1F3D94 #941F78 #94761F #1F943B

square

#1F3D94 #941F78 #94761F #1F943B

split-complementary

#1F3D94 #943B1F #78941F

monochromatic

#0A132F #142861 #1F3D94 #2A52C7 #5375DB

Accessibility & contrast

On white

9.75

#1F3D94 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#1F3D94 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F3D94

9.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F3D94	#FFFFFF	#000000	##FFFFFF
##1F3D94	1.00	9.75	2.15	9.75
#FFFFFF	9.75	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A97

Deuteranopia (green-blind)

#003F92

Tritanopia (blue-blind)

#005362

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #1f3d94;
/* rgb */ color: rgb(31, 61, 148);
/* oklch */ color: oklch(39.4% 0.148 265.5);

Tailwind

colors: {
  custom: {
    50: '#6e72b4',
    500: '#1f3d94',
    950: '#000000',
  },
}

SCSS

$custom: #1f3d94;
$custom-light: #6e72b4;
$custom-dark: #000000;

JSON

{
  "hex": "#1f3d94",
  "rgb": {
    "r": 31,
    "g": 61,
    "b": 148
  },
  "hsl": {
    "h": 224.615,
    "s": 65.363,
    "l": 35.098
  },
  "oklch": {
    "l": 0.39446,
    "c": 0.14773,
    "h": 265.5
  },
  "luminance": 0.05767
}

Semantic roles & 50–950 ramp

primary

#1F3D94

secondary

#BEA251

accent

#BD3FE8

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080711

muted

#7B7A80

Preview Lab

Preview with #1F3D94

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

Preview Lab → · Contrast checker → · Palette generator →