#1F2280#1F2280

#1F2280 is a dark, vivid blue. Relative luminance 0.030; OKLCH L 32.4% C 0.153 H 272.5°. Best body text is #FFFFFF at 13.13:1 contrast (WCAG AA passes).

Color values

HEX	#1F2280
RGB	rgb(31, 34, 128)
HSL	hsl(238, 61%, 31%)
HSV	hsv(238, 76%, 50%)
CMYK	cmyk(75.8%, 73.4%, 0%, 49.8%)
CIE-LAB	lab(20.02, 32.50, -52.96)
CIE-LCH	lch(20.02, 62.14, 301.54°)
OKLab	oklab(32.41% 0.0068 -0.1532)
OKLCH	oklch(32.41% 0.153 272.5)
XYZ	xyz(5.0321, 2.9934, 20.7305)
Luminance	0.0299 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2280 #807D1F

analogous

#1F5280 #1F2280 #4C1F80

triadic

#1F2280 #801F22 #22801F

tetradic

#1F2280 #801F52 #807D1F #1F804C

square

#1F2280 #801F52 #807D1F #1F804C

split-complementary

#1F2280 #804C1F #52801F

monochromatic

#07081D #13154F #1F2280 #2B2FB1 #474BD2

Accessibility & contrast

On white

13.13

#1F2280 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#1F2280 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2280

13.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2280	#FFFFFF	#000000	##FFFFFF
##1F2280	1.00	13.13	1.60	13.13
#FFFFFF	13.13	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003583

Deuteranopia (green-blind)

#002C7E

Tritanopia (blue-blind)

#003C4E

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #1f2280;
/* rgb */ color: rgb(31, 34, 128);
/* oklch */ color: oklch(32.4% 0.153 272.5);

Tailwind

colors: {
  custom: {
    50: '#6b5ea6',
    500: '#1f2280',
    950: '#000000',
  },
}

SCSS

$custom: #1f2280;
$custom-light: #6b5ea6;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2280",
  "rgb": {
    "r": 31,
    "g": 34,
    "b": 128
  },
  "hsl": {
    "h": 238.144,
    "s": 61.006,
    "l": 31.176
  },
  "oklch": {
    "l": 0.32408,
    "c": 0.15337,
    "h": 272.5
  },
  "luminance": 0.02994
}

Semantic roles & 50–950 ramp

primary

#1F2280

secondary

#B3B048

accent

#DF44E4

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#08040F

muted

#7A797F

Preview Lab

Preview with #1F2280

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

Preview Lab → · Contrast checker → · Palette generator →