#1F3E93#1F3E93

#1F3E93 is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.6% C 0.145 H 265.1°. Best body text is #FFFFFF at 9.68:1 contrast (WCAG AA passes).

Color values

HEX	#1F3E93
RGB	rgb(31, 62, 147)
HSL	hsl(224, 65%, 35%)
HSV	hsv(224, 79%, 58%)
CMYK	cmyk(78.9%, 57.8%, 0%, 42.4%)
CIE-LAB	lab(29.01, 20.94, -50.07)
CIE-LCH	lch(29.01, 54.28, 292.70°)
OKLab	oklab(39.57% -0.0124 -0.1445)
OKLCH	oklch(39.57% 0.145 265.1)
XYZ	xyz(7.5523, 5.8423, 28.3277)
Luminance	0.0584 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F3E93 #93741F

analogous

#1F7893 #1F3E93 #3A1F93

triadic

#1F3E93 #931F3E #3E931F

tetradic

#1F3E93 #931F78 #93741F #1F933A

square

#1F3E93 #931F78 #93741F #1F933A

split-complementary

#1F3E93 #933A1F #78931F

monochromatic

#0A132E #142960 #1F3E93 #2A53C6 #5276DA

Accessibility & contrast

On white

9.68

#1F3E93 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#1F3E93 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F3E93

9.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F3E93	#FFFFFF	#000000	##FFFFFF
##1F3E93	1.00	9.68	2.17	9.68
#FFFFFF	9.68	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A96

Deuteranopia (green-blind)

#003F91

Tritanopia (blue-blind)

#005362

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #1f3e93;
/* rgb */ color: rgb(31, 62, 147);
/* oklch */ color: oklch(39.6% 0.145 265.1);

Tailwind

colors: {
  custom: {
    50: '#6e72b3',
    500: '#1f3e93',
    950: '#000000',
  },
}

SCSS

$custom: #1f3e93;
$custom-light: #6e72b3;
$custom-dark: #000000;

JSON

{
  "hex": "#1f3e93",
  "rgb": {
    "r": 31,
    "g": 62,
    "b": 147
  },
  "hsl": {
    "h": 223.966,
    "s": 65.169,
    "l": 34.902
  },
  "oklch": {
    "l": 0.39568,
    "c": 0.14504,
    "h": 265.1
  },
  "luminance": 0.05843
}

Semantic roles & 50–950 ramp

primary

#1F3E93

secondary

#BEA050

accent

#BB40E8

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1F3E93

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

Preview Lab → · Contrast checker → · Palette generator →