#1F3E86#1F3E86

#1F3E86 is a dark, vivid blue. Relative luminance 0.055; OKLCH L 38.5% C 0.126 H 263.9°. Best body text is #FFFFFF at 10.04:1 contrast (WCAG AA passes).

Color values

HEX	#1F3E86
RGB	rgb(31, 62, 134)
HSL	hsl(222, 62%, 32%)
HSV	hsv(222, 77%, 53%)
CMYK	cmyk(76.9%, 53.7%, 0%, 47.5%)
CIE-LAB	lab(28.00, 15.75, -43.69)
CIE-LCH	lch(28.00, 46.44, 289.82°)
OKLab	oklab(38.48% -0.0135 -0.1257)
OKLCH	oklch(38.48% 0.126 263.9)
XYZ	xyz(6.5892, 5.4571, 23.2557)
Luminance	0.0546 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F3E86 #86671F

analogous

#1F7186 #1F3E86 #341F86

triadic

#1F3E86 #861F3E #3E861F

tetradic

#1F3E86 #861F71 #86671F #1F8634

square

#1F3E86 #861F71 #86671F #1F8634

split-complementary

#1F3E86 #86341F #71861F

monochromatic

#081023 #142754 #1F3E86 #2A55B8 #4A74D5

Accessibility & contrast

On white

10.04

#1F3E86 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#1F3E86 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F3E86

10.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F3E86	#FFFFFF	#000000	##FFFFFF
##1F3E86	1.00	10.04	2.09	10.04
#FFFFFF	10.04	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D4789

Deuteranopia (green-blind)

#003E85

Tritanopia (blue-blind)

#004F5C

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #1f3e86;
/* rgb */ color: rgb(31, 62, 134);
/* oklch */ color: oklch(38.5% 0.126 263.9);

Tailwind

colors: {
  custom: {
    50: '#6a72aa',
    500: '#1f3e86',
    950: '#000000',
  },
}

SCSS

$custom: #1f3e86;
$custom-light: #6a72aa;
$custom-dark: #000000;

JSON

{
  "hex": "#1f3e86",
  "rgb": {
    "r": 31,
    "g": 62,
    "b": 134
  },
  "hsl": {
    "h": 221.942,
    "s": 62.424,
    "l": 32.353
  },
  "oklch": {
    "l": 0.38484,
    "c": 0.12647,
    "h": 263.9
  },
  "luminance": 0.05458
}

Semantic roles & 50–950 ramp

primary

#1F3E86

secondary

#B89649

accent

#B442E5

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#070810

muted

#7A7B7F

Preview Lab

Preview with #1F3E86

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

Preview Lab → · Contrast checker → · Palette generator →