#1F2682#1F2682

#1F2682 is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.3% C 0.151 H 271.6°. Best body text is #FFFFFF at 12.67:1 contrast (WCAG AA passes).

Color values

HEX	#1F2682
RGB	rgb(31, 38, 130)
HSL	hsl(236, 61%, 32%)
HSV	hsv(236, 76%, 51%)
CMYK	cmyk(76.2%, 70.8%, 0%, 49%)
CIE-LAB	lab(21.16, 30.66, -52.33)
CIE-LCH	lch(21.16, 60.65, 300.37°)
OKLab	oklab(33.3% 0.0042 -0.1514)
OKLCH	oklch(33.3% 0.151 271.6)
XYZ	xyz(5.2861, 3.2887, 21.4710)
Luminance	0.0329 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2682 #827B1F

analogous

#1F5882 #1F2682 #4A1F82

triadic

#1F2682 #821F26 #26821F

tetradic

#1F2682 #821F58 #827B1F #1F824A

square

#1F2682 #821F58 #827B1F #1F824A

split-complementary

#1F2682 #824A1F #58821F

monochromatic

#07091F #131851 #1F2682 #2B34B3 #4852D3

Accessibility & contrast

On white

12.67

#1F2682 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#1F2682 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2682

12.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2682	#FFFFFF	#000000	##FFFFFF
##1F2682	1.00	12.67	1.66	12.67
#FFFFFF	12.67	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003885

Deuteranopia (green-blind)

#002E80

Tritanopia (blue-blind)

#003F51

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #1f2682;
/* rgb */ color: rgb(31, 38, 130);
/* oklch */ color: oklch(33.3% 0.151 271.6);

Tailwind

colors: {
  custom: {
    50: '#6b60a7',
    500: '#1f2682',
    950: '#000000',
  },
}

SCSS

$custom: #1f2682;
$custom-light: #6b60a7;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2682",
  "rgb": {
    "r": 31,
    "g": 38,
    "b": 130
  },
  "hsl": {
    "h": 235.758,
    "s": 61.491,
    "l": 31.569
  },
  "oklch": {
    "l": 0.33297,
    "c": 0.15145,
    "h": 271.6
  },
  "luminance": 0.03289
}

Semantic roles & 50–950 ramp

primary

#1F2682

secondary

#B5AD48

accent

#D943E5

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080510

muted

#7B797F

Preview Lab

Preview with #1F2682

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

Preview Lab → · Contrast checker → · Palette generator →