#1F3D93#1F3D93

#1F3D93 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.4% C 0.146 H 265.4°. Best body text is #FFFFFF at 9.78:1 contrast (WCAG AA passes).

Color values

HEX	#1F3D93
RGB	rgb(31, 61, 147)
HSL	hsl(224, 65%, 35%)
HSV	hsv(224, 79%, 58%)
CMYK	cmyk(78.9%, 58.5%, 0%, 42.4%)
CIE-LAB	lab(28.73, 21.63, -50.53)
CIE-LCH	lch(28.73, 54.96, 293.18°)
OKLab	oklab(39.36% -0.0117 -0.1459)
OKLCH	oklch(39.36% 0.146 265.4)
XYZ	xyz(7.4984, 5.7345, 28.3098)
Luminance	0.0573 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F3D93 #93751F

analogous

#1F7793 #1F3D93 #3B1F93

triadic

#1F3D93 #931F3D #3D931F

tetradic

#1F3D93 #931F77 #93751F #1F933B

square

#1F3D93 #931F77 #93751F #1F933B

split-complementary

#1F3D93 #933B1F #77931F

monochromatic

#0A132E #142860 #1F3D93 #2A52C6 #5275DA

Accessibility & contrast

On white

9.78

#1F3D93 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#1F3D93 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F3D93

9.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F3D93	#FFFFFF	#000000	##FFFFFF
##1F3D93	1.00	9.78	2.15	9.78
#FFFFFF	9.78	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004996

Deuteranopia (green-blind)

#003F91

Tritanopia (blue-blind)

#005262

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #1f3d93;
/* rgb */ color: rgb(31, 61, 147);
/* oklch */ color: oklch(39.4% 0.146 265.4);

Tailwind

colors: {
  custom: {
    50: '#6e72b3',
    500: '#1f3d93',
    950: '#000000',
  },
}

SCSS

$custom: #1f3d93;
$custom-light: #6e72b3;
$custom-dark: #000000;

JSON

{
  "hex": "#1f3d93",
  "rgb": {
    "r": 31,
    "g": 61,
    "b": 147
  },
  "hsl": {
    "h": 224.483,
    "s": 65.169,
    "l": 34.902
  },
  "oklch": {
    "l": 0.39359,
    "c": 0.14633,
    "h": 265.4
  },
  "luminance": 0.05735
}

Semantic roles & 50–950 ramp

primary

#1F3D93

secondary

#BEA150

accent

#BD40E8

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080711

muted

#7B7A80

Preview Lab

Preview with #1F3D93

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

Preview Lab → · Contrast checker → · Palette generator →