#1F2A84#1F2A84

#1F2A84 is a dark, vivid blue. Relative luminance 0.036; OKLCH L 34.2% C 0.149 H 270.6°. Best body text is #FFFFFF at 12.19:1 contrast (WCAG AA passes).

Color values

HEX	#1F2A84
RGB	rgb(31, 42, 132)
HSL	hsl(233, 62%, 32%)
HSV	hsv(233, 77%, 52%)
CMYK	cmyk(76.5%, 68.2%, 0%, 48.2%)
CIE-LAB	lab(22.35, 28.77, -51.65)
CIE-LCH	lch(22.35, 59.12, 299.11°)
OKLab	oklab(34.22% 0.0015 -0.1494)
OKLCH	oklch(34.22% 0.149 270.6)
XYZ	xyz(5.5565, 3.6126, 22.2298)
Luminance	0.0361 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2A84 #84791F

analogous

#1F5D84 #1F2A84 #461F84

triadic

#1F2A84 #841F2A #2A841F

tetradic

#1F2A84 #841F5D #84791F #1F8446

square

#1F2A84 #841F5D #84791F #1F8446

split-complementary

#1F2A84 #84461F #5D841F

monochromatic

#080A21 #131A52 #1F2A84 #2B3AB6 #4958D4

Accessibility & contrast

On white

12.19

#1F2A84 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#1F2A84 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2A84

12.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2A84	#FFFFFF	#000000	##FFFFFF
##1F2A84	1.00	12.19	1.72	12.19
#FFFFFF	12.19	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A87

Deuteranopia (green-blind)

#003182

Tritanopia (blue-blind)

#004253

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #1f2a84;
/* rgb */ color: rgb(31, 42, 132);
/* oklch */ color: oklch(34.2% 0.149 270.6);

Tailwind

colors: {
  custom: {
    50: '#6c63a9',
    500: '#1f2a84',
    950: '#000000',
  },
}

SCSS

$custom: #1f2a84;
$custom-light: #6c63a9;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2a84",
  "rgb": {
    "r": 31,
    "g": 42,
    "b": 132
  },
  "hsl": {
    "h": 233.465,
    "s": 61.963,
    "l": 31.961
  },
  "oklch": {
    "l": 0.34216,
    "c": 0.1494,
    "h": 270.6
  },
  "luminance": 0.03613
}

Semantic roles & 50–950 ramp

primary

#1F2A84

secondary

#B7AB48

accent

#D343E5

background

#F7F5FA

surface

#EDEAF4

border

#C8C6CE

text

#080510

muted

#7B797F

Preview Lab

Preview with #1F2A84

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

Preview Lab → · Contrast checker → · Palette generator →