#1F2782#1F2782

#1F2782 is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.5% C 0.150 H 271.3°. Best body text is #FFFFFF at 12.57:1 contrast (WCAG AA passes).

Color values

HEX	#1F2782
RGB	rgb(31, 39, 130)
HSL	hsl(235, 61%, 32%)
HSV	hsv(235, 76%, 51%)
CMYK	cmyk(76.2%, 70%, 0%, 49%)
CIE-LAB	lab(21.41, 30.00, -51.94)
CIE-LCH	lch(21.41, 59.98, 300.02°)
OKLab	oklab(33.47% 0.0035 -0.1502)
OKLCH	oklch(33.47% 0.15 271.3)
XYZ	xyz(5.3185, 3.3535, 21.4818)
Luminance	0.0335 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2782 #827A1F

analogous

#1F5982 #1F2782 #491F82

triadic

#1F2782 #821F27 #27821F

tetradic

#1F2782 #821F59 #827A1F #1F8249

square

#1F2782 #821F59 #827A1F #1F8249

split-complementary

#1F2782 #82491F #59821F

monochromatic

#07091F #131851 #1F2782 #2B36B3 #4853D3

Accessibility & contrast

On white

12.57

#1F2782 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#1F2782 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2782

12.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2782	#FFFFFF	#000000	##FFFFFF
##1F2782	1.00	12.57	1.67	12.57
#FFFFFF	12.57	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003885

Deuteranopia (green-blind)

#002F80

Tritanopia (blue-blind)

#004051

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #1f2782;
/* rgb */ color: rgb(31, 39, 130);
/* oklch */ color: oklch(33.5% 0.150 271.3);

Tailwind

colors: {
  custom: {
    50: '#6b61a7',
    500: '#1f2782',
    950: '#000000',
  },
}

SCSS

$custom: #1f2782;
$custom-light: #6b61a7;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2782",
  "rgb": {
    "r": 31,
    "g": 39,
    "b": 130
  },
  "hsl": {
    "h": 235.152,
    "s": 61.491,
    "l": 31.569
  },
  "oklch": {
    "l": 0.33473,
    "c": 0.15027,
    "h": 271.3
  },
  "luminance": 0.03354
}

Semantic roles & 50–950 ramp

primary

#1F2782

secondary

#B5AC48

accent

#D843E5

background

#F6F5FA

surface

#ECEAF4

border

#C7C6CE

text

#080510

muted

#7A797F

Preview Lab

Preview with #1F2782

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

Preview Lab → · Contrast checker → · Palette generator →