#1F2F86#1F2F86

#1F2F86 is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.4% C 0.146 H 269.2°. Best body text is #FFFFFF at 11.61:1 contrast (WCAG AA passes).

Color values

HEX	#1F2F86
RGB	rgb(31, 47, 134)
HSL	hsl(231, 62%, 32%)
HSV	hsv(231, 77%, 53%)
CMYK	cmyk(76.9%, 64.9%, 0%, 47.5%)
CIE-LAB	lab(23.82, 26.15, -50.49)
CIE-LCH	lch(23.82, 56.86, 297.38°)
OKLab	oklab(35.35% -0.0019 -0.1459)
OKLCH	oklch(35.35% 0.146 269.2)
XYZ	xyz(5.8832, 4.0449, 23.0203)
Luminance	0.0405 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2F86 #86761F

analogous

#1F6286 #1F2F86 #431F86

triadic

#1F2F86 #861F2F #2F861F

tetradic

#1F2F86 #861F62 #86761F #1F8643

square

#1F2F86 #861F62 #86761F #1F8643

split-complementary

#1F2F86 #86431F #62861F

monochromatic

#080C23 #141E54 #1F2F86 #2A40B8 #4A60D5

Accessibility & contrast

On white

11.61

#1F2F86 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#1F2F86 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2F86

11.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2F86	#FFFFFF	#000000	##FFFFFF
##1F2F86	1.00	11.61	1.81	11.61
#FFFFFF	11.61	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E89

Deuteranopia (green-blind)

#003484

Tritanopia (blue-blind)

#004656

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #1f2f86;
/* rgb */ color: rgb(31, 47, 134);
/* oklch */ color: oklch(35.4% 0.146 269.2);

Tailwind

colors: {
  custom: {
    50: '#6c67aa',
    500: '#1f2f86',
    950: '#000000',
  },
}

SCSS

$custom: #1f2f86;
$custom-light: #6c67aa;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2f86",
  "rgb": {
    "r": 31,
    "g": 47,
    "b": 134
  },
  "hsl": {
    "h": 230.68,
    "s": 62.424,
    "l": 32.353
  },
  "oklch": {
    "l": 0.35354,
    "c": 0.14596,
    "h": 269.2
  },
  "luminance": 0.04046
}

Semantic roles & 50–950 ramp

primary

#1F2F86

secondary

#B8A749

accent

#CC42E5

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #1F2F86

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

Preview Lab → · Contrast checker → · Palette generator →