#1F2586#1F2586

#1F2586 is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.5% C 0.158 H 271.5°. Best body text is #FFFFFF at 12.60:1 contrast (WCAG AA passes).

Color values

HEX	#1F2586
RGB	rgb(31, 37, 134)
HSL	hsl(237, 62%, 32%)
HSV	hsv(237, 77%, 53%)
CMYK	cmyk(76.9%, 72.4%, 0%, 47.5%)
CIE-LAB	lab(21.34, 32.78, -54.56)
CIE-LCH	lch(21.34, 63.66, 301.00°)
OKLab	oklab(33.55% 0.0042 -0.1579)
OKLCH	oklch(33.55% 0.158 271.5)
XYZ	xyz(5.5283, 3.3351, 22.9020)
Luminance	0.0334 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2586 #86801F

analogous

#1F5886 #1F2586 #4D1F86

triadic

#1F2586 #861F25 #25861F

tetradic

#1F2586 #861F58 #86801F #1F864D

square

#1F2586 #861F58 #86801F #1F864D

split-complementary

#1F2586 #864D1F #58861F

monochromatic

#080A23 #141754 #1F2586 #2A33B8 #4A52D5

Accessibility & contrast

On white

12.60

#1F2586 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#1F2586 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2586

12.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2586	#FFFFFF	#000000	##FFFFFF
##1F2586	1.00	12.60	1.67	12.60
#FFFFFF	12.60	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003889

Deuteranopia (green-blind)

#002E84

Tritanopia (blue-blind)

#004052

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #1f2586;
/* rgb */ color: rgb(31, 37, 134);
/* oklch */ color: oklch(33.5% 0.158 271.5);

Tailwind

colors: {
  custom: {
    50: '#6d60aa',
    500: '#1f2586',
    950: '#000000',
  },
}

SCSS

$custom: #1f2586;
$custom-light: #6d60aa;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2586",
  "rgb": {
    "r": 31,
    "g": 37,
    "b": 134
  },
  "hsl": {
    "h": 236.505,
    "s": 62.424,
    "l": 32.353
  },
  "oklch": {
    "l": 0.33546,
    "c": 0.15797,
    "h": 271.5
  },
  "luminance": 0.03336
}

Semantic roles & 50–950 ramp

primary

#1F2586

secondary

#B8B149

accent

#DC42E5

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080510

muted

#7B797F

Preview Lab

Preview with #1F2586

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

Preview Lab → · Contrast checker → · Palette generator →