#1F2B86#1F2B86

#1F2B86 is a dark, vivid blue. Relative luminance 0.037; OKLCH L 34.6% C 0.151 H 270.3°. Best body text is #FFFFFF at 12.01:1 contrast (WCAG AA passes).

Color values

HEX	#1F2B86
RGB	rgb(31, 43, 134)
HSL	hsl(233, 62%, 32%)
HSV	hsv(233, 77%, 53%)
CMYK	cmyk(76.9%, 67.9%, 0%, 47.5%)
CIE-LAB	lab(22.79, 28.86, -52.18)
CIE-LCH	lch(22.79, 59.62, 298.94°)
OKLab	oklab(34.6% 0.0007 -0.1509)
OKLCH	oklch(34.6% 0.151 270.3)
XYZ	xyz(5.7306, 3.7397, 22.9695)
Luminance	0.0374 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2B86 #867A1F

analogous

#1F5E86 #1F2B86 #471F86

triadic

#1F2B86 #861F2B #2B861F

tetradic

#1F2B86 #861F5E #867A1F #1F8647

square

#1F2B86 #861F5E #867A1F #1F8647

split-complementary

#1F2B86 #86471F #5E861F

monochromatic

#080B23 #141B54 #1F2B86 #2A3BB8 #4A5AD5

Accessibility & contrast

On white

12.01

#1F2B86 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#1F2B86 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2B86

12.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2B86	#FFFFFF	#000000	##FFFFFF
##1F2B86	1.00	12.01	1.75	12.01
#FFFFFF	12.01	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B89

Deuteranopia (green-blind)

#003284

Tritanopia (blue-blind)

#004354

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #1f2b86;
/* rgb */ color: rgb(31, 43, 134);
/* oklch */ color: oklch(34.6% 0.151 270.3);

Tailwind

colors: {
  custom: {
    50: '#6c64aa',
    500: '#1f2b86',
    950: '#000000',
  },
}

SCSS

$custom: #1f2b86;
$custom-light: #6c64aa;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2b86",
  "rgb": {
    "r": 31,
    "g": 43,
    "b": 134
  },
  "hsl": {
    "h": 233.01,
    "s": 62.424,
    "l": 32.353
  },
  "oklch": {
    "l": 0.34599,
    "c": 0.15092,
    "h": 270.3
  },
  "luminance": 0.0374
}

Semantic roles & 50–950 ramp

primary

#1F2B86

secondary

#B8AB49

accent

#D242E5

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080510

muted

#7B7A7F

Preview Lab

Preview with #1F2B86

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

Preview Lab → · Contrast checker → · Palette generator →