#1F3E92#1F3E92

#1F3E92 is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.5% C 0.144 H 265.0°. Best body text is #FFFFFF at 9.71:1 contrast (WCAG AA passes).

Color values

HEX	#1F3E92
RGB	rgb(31, 62, 146)
HSL	hsl(224, 65%, 35%)
HSV	hsv(224, 79%, 57%)
CMYK	cmyk(78.8%, 57.5%, 0%, 42.7%)
CIE-LAB	lab(28.93, 20.55, -49.59)
CIE-LCH	lch(28.93, 53.68, 292.51°)
OKLab	oklab(39.48% -0.0124 -0.1431)
OKLCH	oklch(39.48% 0.144 265)
XYZ	xyz(7.4742, 5.8110, 27.9163)
Luminance	0.0581 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F3E92 #92731F

analogous

#1F7892 #1F3E92 #391F92

triadic

#1F3E92 #921F3E #3E921F

tetradic

#1F3E92 #921F78 #92731F #1F9239

square

#1F3E92 #921F78 #92731F #1F9239

split-complementary

#1F3E92 #92391F #78921F

monochromatic

#0A132D #142960 #1F3E92 #2A53C4 #5176DA

Accessibility & contrast

On white

9.71

#1F3E92 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#1F3E92 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F3E92

9.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F3E92	#FFFFFF	#000000	##FFFFFF
##1F3E92	1.00	9.71	2.16	9.71
#FFFFFF	9.71	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A95

Deuteranopia (green-blind)

#003F90

Tritanopia (blue-blind)

#005361

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #1f3e92;
/* rgb */ color: rgb(31, 62, 146);
/* oklch */ color: oklch(39.5% 0.144 265.0);

Tailwind

colors: {
  custom: {
    50: '#6d72b3',
    500: '#1f3e92',
    950: '#000000',
  },
}

SCSS

$custom: #1f3e92;
$custom-light: #6d72b3;
$custom-dark: #000000;

JSON

{
  "hex": "#1f3e92",
  "rgb": {
    "r": 31,
    "g": 62,
    "b": 146
  },
  "hsl": {
    "h": 223.826,
    "s": 64.972,
    "l": 34.706
  },
  "oklch": {
    "l": 0.39482,
    "c": 0.14364,
    "h": 265
  },
  "luminance": 0.05812
}

Semantic roles & 50–950 ramp

primary

#1F3E92

secondary

#BDA050

accent

#BB40E8

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1F3E92

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

Preview Lab → · Contrast checker → · Palette generator →