#1F3D92#1F3D92

#1F3D92 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.3% C 0.145 H 265.4°. Best body text is #FFFFFF at 9.81:1 contrast (WCAG AA passes).

Color values

HEX	#1F3D92
RGB	rgb(31, 61, 146)
HSL	hsl(224, 65%, 35%)
HSV	hsv(224, 79%, 57%)
CMYK	cmyk(78.8%, 58.2%, 0%, 42.7%)
CIE-LAB	lab(28.65, 21.23, -50.04)
CIE-LCH	lch(28.65, 54.36, 292.99°)
OKLab	oklab(39.27% -0.0117 -0.1444)
OKLCH	oklch(39.27% 0.145 265.4)
XYZ	xyz(7.4203, 5.7033, 27.8983)
Luminance	0.0570 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F3D92 #92741F

analogous

#1F7792 #1F3D92 #3B1F92

triadic

#1F3D92 #921F3D #3D921F

tetradic

#1F3D92 #921F77 #92741F #1F923B

square

#1F3D92 #921F77 #92741F #1F923B

split-complementary

#1F3D92 #923B1F #77921F

monochromatic

#0A132D #142860 #1F3D92 #2A52C4 #5175DA

Accessibility & contrast

On white

9.81

#1F3D92 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#1F3D92 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F3D92

9.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F3D92	#FFFFFF	#000000	##FFFFFF
##1F3D92	1.00	9.81	2.14	9.81
#FFFFFF	9.81	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004995

Deuteranopia (green-blind)

#003E90

Tritanopia (blue-blind)

#005261

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #1f3d92;
/* rgb */ color: rgb(31, 61, 146);
/* oklch */ color: oklch(39.3% 0.145 265.4);

Tailwind

colors: {
  custom: {
    50: '#6e72b3',
    500: '#1f3d92',
    950: '#000000',
  },
}

SCSS

$custom: #1f3d92;
$custom-light: #6e72b3;
$custom-dark: #000000;

JSON

{
  "hex": "#1f3d92",
  "rgb": {
    "r": 31,
    "g": 61,
    "b": 146
  },
  "hsl": {
    "h": 224.348,
    "s": 64.972,
    "l": 34.706
  },
  "oklch": {
    "l": 0.39272,
    "c": 0.14492,
    "h": 265.4
  },
  "luminance": 0.05704
}

Semantic roles & 50–950 ramp

primary

#1F3D92

secondary

#BDA150

accent

#BC40E8

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080711

muted

#7B7A80

Preview Lab

Preview with #1F3D92

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

Preview Lab → · Contrast checker → · Palette generator →